M38063EAXXXFP [RENESAS]
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER; 单片8位CMOS微机
| 型号： | M38063EAXXXFP |
| 厂家： | 
RENESAS TECHNOLOGY CORP |
| 描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 文件： | 总53页 (文件大小：912K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
To all our customers
Regarding the change of names mentioned in the document, such as Mitsubishi
Electric and Mitsubishi XX, to Renesas Technology Corp.
The semiconductor operations of Hitachi and Mitsubishi Electric were transferred to Renesas
Technology Corporation on April 1st 2003. These operations include microcomputer, logic, analog
and discrete devices, and memory chips other than DRAMs (flash memory, SRAMs etc.)
Accordingly, although Mitsubishi Electric, Mitsubishi Electric Corporation, Mitsubishi
Semiconductors, and other Mitsubishi brand names are mentioned in the document, these names
have in fact all been changed to Renesas Technology Corp. Thank you for your understanding.
Except for our corporate trademark, logo and corporate statement, no ces whatsoever have been
made to the contents of the document, and these changes do not cony alteration to the
contents of the document itself.
Note : Mitsubishi Electric will continue the business opof high frequency & optical devices
and power devices.
Renesas Technology Corp.
Customer Support Dept.
April 1, 2003
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
●Power source voltage
DESCRIPTION
In high-speed mode .................................................. 4.0 to 5.5 V
(at 8 MHz oscillation frequency)
The 3850 group is the 8-bit microcomputer based on the 740 fam-
ily core technology.
In high-speed mode .................................................. 2.7 to 5.5 V
(at 4 MHz oscillation frequency)
The 3850 group is designed for the household products and office
automation equipment and includes serial I/O functions, 8-bit
timer, and A-D converter.
In middle-speed mode............................................... 2.7 to 5.5 V
(at 8 MHz oscillation frequency)
In low-speed mode .................................................... 2.7 to 5.5 V
(at 32 kHz oscillation frequency)
FEATURES
●Basic machine-language instructions ...................................... 71
●Minimum instruction execution time .................................. 0.5 µs
(at 8 MHz oscillation frequency)
●Power dissipation
In high-speed mode ..........................................................34 mW
(at 8 MHz oscillation frequency, at 5 V power source voltage)
In low-speed mode ............................................................ 60 µW
(at 32 kHz oscillation frequency, at 3 V power source voltage)
●Operating temperature range.................................... –20 to 85°C
●Memory size
ROM ................................................................... 8K to 24K bytes
RAM ..................................................................... 512 to 640 byte
●Programmable input/output ports ............................................ 34
●Interrupts ................................................. 14 sources, 14 vectors
●Timers ............................................................................. 8-bit ✕ 4
●Serial I/O ....................... 8-bit ✕ 1(UART or Clock-synchronized)
●PWM ............................................................................... 8-bit ✕ 1
●A-D converter ............................................... 10-bit ✕ 5 channels
●Watchdog timer ............................................................ 16-bit ✕ 1
●Clock generating circuit ..................................... Built-in 2 circuits
(connect to external ceramic resonator or quartz-crystal oscillator)
APPLICATION
Office automation eequipment, Household products,
Consumer electr
PIN CONFIGURATION (TOP VIEW)
P3
P3
P3
P3
P3
P0
P0
P0
P0
P0
P0
P0
P0
P1
P1
P1
P1
P1
P1
P1
P1
0
1
2
3
4
/AN
/AN
/AN
/AN
/AN
0
1
2
3
4
V
CC
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
VRE
A
T
3
P4
4
/INT
4
5
0
1
2
3
4
5
6
7
0
1
2
6
0
1
7
P4
NTR
8
P27
/CNTR
0
/SRDY
/SCLK
/TxD
/RxD
9
P2
P2
P2
6
10
11
12
13
14
15
16
17
18
19
20
21
5
4
P2
P2
CNVSS
P2 /XCIN
P2 /XCOUT
3
2
1
0
3/(LED
4/(LED
5/(LED
6/(LED
7/(LED
0
1
2
3
4
)
)
)
)
)
RESET
X
IN
OUT
SS
X
V
Package type : FP ........................... 42P2R-A (42-pin plastic-molded SSOP)
Package type : SP ........................... 42P4B (42-pin shrink plastic-molded DIP)
Fig. 1 M38503M4-XXXFP/SP pin configuration
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
FUNCTIONAL BLOCK
Fig. 2 Functional block diagram
2
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PIN DESCRIPTION
Table 1 Pin description
Functions
Pin
Name
Function except a port function
VCC, VSS
CNVSS
Power source
CNVSS input
Reset input
Clock input
•Apply voltage of 2.7 V – 5.5 V to Vcc, and 0 V to Vss.
•This pin controls the operation mode of the chip.
•Normally connected to VSS.
•Reset input pin for active “L.”
RESET
XIN
•Input and output pins for the clock generating circuit.
•Connect a ceramic resonator or quartz-crystal oscillator between the XIN and XOUT pins to set
the oscillation frequency.
•When an external clock is used, connect the clock source to the XIN pin and leave the XOUT
pin open.
XOUT
Clock output
I/O port P0
I/O port P1
•8-bit CMOS I/O port.
P00–P07
P10–P17
•I/O direction register allows each pin to be individually mmed as either input or output.
•CMOS compatible input level.
•CMOS 3-state output structure.
•P13 to P17 (5 bits) are enabled to output largLED drive.
•8-bit CMOS I/O port.
P20/XCOUT
P21/XCIN
P22
• Sub-clock generating circuit I/O
pins (connect a resonator)
•I/O direction register allows each pin tally
programmed as either input or outp
•CMOS compatible input level.
P23
•P20, P21, P24 to P27: CMOSt structure.
•P22, P23: N-channel openre.
P24/RxD
P25/TxD
P26/SCLK
• Serial I/O function pin
I/O port P2
P27/CNTR0/
SRDY
• Serial I/O function pin/
Timer X function pin
P30/AN0–
P34/AN4
•8-bit CMOS the same function as port P0.
•CMOS cput level.
• A-D converter input pin
I/O port P3
I/O port P4
•CMOtput structure.
P40/CNTR1
P41/INT0–
P43/INT2
• Timer Y function pin
• Interrupt input pins
•8/O port with the same function as port P0.
mpatible input level.
3-state output structure.
• Interrupt input pin
• PWM output pin
P44/INT3/PWM
3
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PART NUMBERING
M3850 3 M 4 XXX FP
Product
Package type
: 42P2R-A package
FP
SP : 42P4B package
SS : 42S1B-A package
ROM number
Omitted in some t
/PROM size
4096 bytes
: 8192 bytes
: 12288 bytes
: 16384 bytes
: 20480 bytes
: 24576 bytes
: 28672 bytes
: 32768 bytes
2
3
4
5
6
7
8
: 36864 bytes
9
A : 40960 bytes
B : 45056 bytes
C: 49152 bytes
D: 53248 bytes
E : 57344 bytes
: 61440 bytes
F
The first 128 bytes and the last 2 bytes of ROM
are reserved areas ; they cannot be used.
Memory type
M : Mask ROM version
E : EPROM or One Time PROM version
RAM size
: 192 bytes
: 256 bytes
: 384 bytes
: 512 bytes
: 640 bytes
: 768 bytes
: 896 bytes
: 1024 bytes
: 1536 bytes
: 2048 bytes
0
1
2
3
4
5
6
7
8
9
Fig. 3 Part numbering
4
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
GROUP EXPANSION
Packages
Mitsubishi plans to expand the 3850 group as follows:
42P4B..........................................42-pin shrink plastic molded DIP
42P2R-A ............................................ 42-pin plastic molded SSOP
42S1B-A ................... 42-pin shrink ceramic DIP(EPROM version)
Memory Type
Support for mask ROM, One Time PROM, and EPROM versions.
Memory Size
ROM/PROM size ................................................... 8K to 24K bytes
RAM size .............................................................. 512 to 640 bytes
Memory Expansion Plan
ROM size (bytes)
48K
32K
28K
24K
Under development
M38504M
20K
Mass production
16K
12K
8K
M38503M4/
Mass product
128
192
256
512
640
768
896
1024
RAM size (bytes)
Products under developmethe development schedule and specification may be revised without notice.
Planning products may bdevelopment.
Fig. 4 Memory expansion plan
Currently planning products are .
As of August 1998
Table 2 Support products
(P) ROM size (bytes)
Product name
RAM size (bytes)
512
Package
Remarks
ROM size for User in (
)
Mask ROM version
Mask ROM version
Mask ROM version
M38503M2-XXXSP
M38503M2-XXXFP
M38503M4-XXXSP
M38503E4-XXXSP
M38503E4SP
42P4B
8192
(8062)
42P2R-A
One Time PROM version
42P4B
42S1B-A
42P2R-A
One Time PROM version (blank)
16384
(16254)
512
EPROM version (stock only replaced by M38504E6SS)
Mask ROM version
M38503E4SS
M38503M4-XXXFP
M38503E4-XXXFP
M38503E4FP
One Time PROM version
One Time PROM version (blank)
Mask ROM version
M38504M6-XXXSP
M38504E6-XXXSP
M38504E6SP
One Time PROM version
One Time PROM version (blank)
EPROM version
42P4B
42S1B-A
42P2R-A
32768
(32638)
640
M38504E6SS
Mask ROM version
M38504M6-XXXFP
M38504E6-XXXFP
M38504E6FP
One Time PROM version
One Time PROM version (blank)
5
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
FUNCTIONAL DESCRIPTION
CENTRAL PROCESSING UNIT (CPU)
The 3850 group uses the standard 740 Family instruction set. Re-
fer to the table of 740 Family addressing modes and machine
instructions or the 740 Family Software Manual for details on the
instruction set.
Machine-resident 740 Family instructions are as follows:
The FST and SLW instructions cannot be used.
The STP, WIT, MUL, and DIV instructions can be used.
[CPU Mode Register (CPUM)] 003B16
The CPU mode register contains the stack page selection bit, etc.
The CPU mode register is allocated at address 003B16.
b7
b0
CPU mode regi
(
CPUM : ad16)
Pre bits
1
Single-chip mode
:
0 : Not available
1 :
Stack page selection bit
0 : 0 page
1 : 1 page
Not used (return “1” when read)
(Do not write “0” to this bit.)
Port XC switch bit
0 : I/O port function (stop oscillating)
1 : XCIN–XCOUT oscillating function
Main clock (XIN–XOUT) stop bit
0 : Oscillating
1 : Stopped
Main clock division ratio selection bits
b7 b6
0
0
1
1
0 : φ = f(XIN)/2 (high-speed mode)
1 : φ = f(XIN)/8 (middle-speed mode)
0 : φ = f(XCIN)/2 (low-speed mode)
1 : Not available
Fig. 5 Structure of CPU mode register
6
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MEMORY
Zero Page
Special Function Register (SFR) Area
The Special Function Register area in the zero page contains con-
trol registers such as I/O ports and timers.
Access to this area with only 2 bytes is possible in the zero page
addressing mode.
Special Page
RAM
Access to this area with only 2 bytes is possible in the special
RAM is used for data storage and for stack area of subroutine
page addressing mode.
calls and interrupts.
ROM
The first 128 bytes and the last 2 bytes of ROM are reserved for
device testing and the rest is user area for storing programs.
Interrupt Vector Area
The interrupt vector area contains reset and interrupt vectors.
RAM area
RAM size
(bytes)
Address
XXXX16
0000
SFR area
192
256
384
512
640
00FF16
013F16
01BF16
023F16
02BF16
033F16
03BF16
043F16
063F16
083F16
0C3F16
0FFF16
Zero page
6
768
896
XXXX16
1024
1536
2048
3072
4032
Reserved area
Not used
044016
YYYY16
ROM area
Reserved ROM area
(128 bytes)
ROM size
(bytes)
Addr
YY
dress
ZZZZ16
ZZZZ16
4096
8192
F0
E000
D00016
C00016
B00016
A00016
900016
800016
700016
600016
500016
400016
300016
200016
100016
F08016
E08016
D08016
C08016
B08016
A08016
908016
808016
708016
608016
508016
408016
308016
208016
108016
12288
16384
20480
24576
28672
32768
36864
40960
45056
49152
53248
57344
61440
ROM
FF0016
FFDC16
Special page
Interrupt vector area
Reserved ROM area
FFFE16
FFFF16
Fig. 6 Memory map diagram
7
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Port P0 (P0)
Prescaler 12 (PRE12)
Timer 1 (T1)
000016
000116
000216
000316
000416
000516
000616
000716
000816
000916
000A16
000B16
000C16
000D16
000E16
000F16
001016
001116
001216
001316
001416
001516
002016
002116
002216
002316
002416
002516
002616
002716
002816
002916
002A16
002B16
002C16
Port P0 direction register (P0D)
Port P1 (P1)
Timer 2 (T2)
Port P1 direction register (P1D)
Port P2 (P2)
Timer XY mode register (TM)
Prescaler X (PREX)
Timer X (TX)
Port P2 direction register (P2D)
Port P3 (P3)
Prescaler Y (PREY)
Timer Y (TY)
Port P3 direction register (P3D)
Port P4 (P4)
Timer count source selection register (TCSS)
Port P4 direction register (P4D)
Reserved ✽
Reserved ✽
002D16 Reserved ✽
002E16 Reserved
002F16 Reserv
003016
003116
0032
0
616
003716
003816
003916
003A16
003B16
003C16
003D16
003E16
003F16
Re
-D control register (ADCON)
A-D conversion low-order register (ADL)
A-D conversion high-order register (ADH)
Reserved ✽
001616 Reserved ✽
001716
001816
001916
001A16
001B16
001C16
001D16
001E16
001F16
Reserved ✽
Transmit/Receive buffer register (TB/RB)
MISRG
Serial I/O status register (SIOSTS)
Serial I/O control register (SIOCON)
Watchdog timer control register (WDTCON)
Interrupt edge selection register (INTEDGE)
CPU mode register (CPUM)
UART control register (UARTCON
Baud rate generator (BRG)
Interrupt request register 1 (IREQ1)
Interrupt request register 2 (IREQ2)
Interrupt control register 1 (ICON1)
Interrupt control register 2 (ICON2)
PWM control register (PWM
PWM prescaler (PREP
PWM register (PWM
✽Reserved : Do not writto this address.
Fig. 7 Memory map of special function register (SFR)
8
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
I/O PORTS
The I/O ports have direction registers which determine the input/
output direction of each individual pin. Each bit in a direction reg-
ister corresponds to one pin, and each pin can be set to be input
port or output port.
When “0” is written to the bit corresponding to a pin, that pin be-
comes an input pin. When “1” is written to that bit, that pin
becomes an output pin.
If data is read from a pin which is set to output, the value of the
port output latch is read, not the value of the pin itself. Pins set to
input are floating. If a pin set to input is written to, only the port
output latch is written to and the pin remains floating.
Table 3 I/O port function
Input/Output
Related SFRs
Ref.No.
(1)
Name
Pin
P00–P07
I/O Structure
Non-Port Function
Port P0
CMOS compatible
input level
P10–P17
Port P1
P20/XCOUT
P21/XCIN
(2)
(3)
CMOS 3-state output
Sub-clock gen
circuit
CPU mode register
CMOS compatible
input level
N-channel open-drain
output
P22
P23
(4)
Port P2
(5)
(6)
P24/RxD
P25/TxD
Serial I/O control
register
I/O function I/O
Serial I/O function I/O
Input/output,
individual
bits
Serial I/O control
register
(7)
(8)
P26/SCLK
Serial I/O control
register
Timer XY mode register
Serial I/O function I/O
Timer X function I/O
P27/CNTR0/SRDY
Catible
-state output
P30/AN0–
P34/AN4
A-D conversion input
(9)
Port P3
Port P4
A-D control register
P40/CNTR1
(10)
(11)
Timer Y function I/O
Timer XY mode register
P41/INT0–
P43/INT2
Interrupt edge selection
register
External interrupt input
Interrupt edge selection
register
PWM control register
External interrupt input
PWM output
P44/INT3/PWM
(12)
9
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
(2) Port P2
0
(1) Port P0, P1
Port X
C
switch bit
Direction
register
Direction
register
Data bus
Port latch
Data bus
Port latch
Oscillator
Port P2
1
(3) Port P2
1
Port X
C
switch bit
Port XC switch bit
Direction
register
(4) Port P22, P2
3
Data bus
Port latch
Direction
register
Data bus
Sub-clock generating circuit input
(5) Port P2
4
Serial I/O enable bit
Receive enable bit
ort P2
5
Direction
register
P-channel output disable bit
Serial I/O enable bit
Transmit enable bit
Data bus
Port latch
Direction
register
Data bus
Port latch
ut
(7) Port P2
6
Serial I/O output
Serial I/O clock
selection bit
Serial I/O enable bit
(8) Port P2
7
Serial I/O mode selection bit
Serial I/O enable bit
Pulse output mode
Direction
register
Serial I/O mode selection bit
Serial I/O enable bit
S
RDY output enable bit
Data bus
Port latch
Direction
register
Data bus
Port latch
Serial clock output
External clock input
Pulse output mode
CNTR
0
interrupt
input
Serial ready output
Timer output
Fig. 8 Port block diagram (1)
10
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
(9) Port P30–P34
(10) Port P4
0
Direction
register
Direction
register
Data bus
Port latch
Data bus
Port latch
Pulse output mode
Timer output
A-D converter input
Analog input pin selection bit
CNTR1 interrupt input
(11) Port P41–P4
3
(12) Port P4
4
Direction
register
PWM output enable bi
Directio
registe
Data bus
Port latch
Data bus
Interrupt input
WM output
Fig. 9 Port block diagram (2)
11
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
INTERRUPTS
■Notes
Interrupts occur by 14 sources among 14 sources: six external,
When the active edge of an external interrupt (INT0–INT3, CNTR0,
CNTR1) is set, the corresponding interrupt request bit may also be
set. Therefore, take the following sequence:
seven internal, and one software.
Interrupt Control
Each interrupt is controlled by an interrupt request bit, an interrupt
enable bit, and the interrupt disable flag except for the software in-
terrupt set by the BRK instruction. An interrupt occurs if the
corresponding interrupt request and enable bits are “1” and the in-
terrupt disable flag is “0”.
1. Disable the interrupt
2. Change the interrupt edge selection register
(the timer XY mode register for CNTR0 and CNTR1)
3. Clear the interrupt request bit to “0”
4. Accept the interrupt.
Interrupt enable bits can be set or cleared by software.
Interrupt request bits can be cleared by software, but cannot be
set by software.
The BRK instruction cannot be disabled with any flag or bit. The I
(interrupt disable) flag disables all interrupts except the BRK in-
struction interrupt.
When several interrupts occur at the same time, the interrupts are
received according to priority.
Interrupt Operation
By acceptance of an interrupt, the following operations are auto-
matically performed:
1. The contents of the program counter and the processor status
register are automatically pushed onto the stack.
2. The interrupt disable flag is set and the corresponding interrupt
request bit is cleared.
3. The interrupt jump destination address is read from the vec
table into the program counter.
12
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 4 Interrupt vector addresses and priority
Vector Addresses (Note 1)
Interrupt Request
Generating Conditions
Remarks
Non-maskable
Interrupt Source
Reset (Note 2)
INT0
Priority
1
High
Low
FFFD16
FFFC16
At reset
At detection of either rising or
falling edge of INT0 input
External interrupt
(active edge selectable)
2
3
4
FFFB16
FFF916
FFF716
FFFA16
FFF816
FFF616
Reserved
Reserved
INT1
At detection of either rising or External interrupt
falling edge of INT1 input
(active edge selectable)
External interrupt
(active edge selectable)
At detection of either rising or
falling edge of INT2 input
FFF416
INT2
INT3
5
6
FFF516
At detection of either rising or External interrupt
FFF316
FFF216
falling edge of INT3 input
(active edge selectable)
FFF116
FFEF16
FFED16
FFEB16
FFE916
FFF016
FFEE16
FFEC16
FFEA16
FFE816
Reserved
7
8
Reserved
Timer X
Timer Y
Timer 1
Timer 2
At timer X underflow
At timer Y underflow
At timer 1 underflow
At timer 2 underflow
9
TP release timer underflow
10
11
At completion of ta
reception
Serial I/O
reception
FFE716
FFE516
FFE616
FFE416
12
13
Valid when serial I/O is selected
At completiO trans-
fer shift nsmission Valid when serial I/O is selected
buffer
Serial I/O
Transmission
At f either rising or
f CNTR0 input
External interrupt
(active edge selectable)
CNTR0
CNTR1
14
15
FFE216
FFE016
FFE316
FFE116
tion of either rising or
edge of CNTR1 input
External interrupt
(active edge selectable)
16
17
FFDF16
FFDD16
FFD
completion of A-D conversion
At BRK instruction execution
A-D converter
BRK instruction
Non-maskable software interrupt
Notes 1: Vector addresses contain interrupt jump destines.
2: Reset function in the same way as an interrghest priority.
13
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Interrupt request bit
Interrupt enable bit
Interrupt disable flag (I)
BRK instruction
Reset
Interrupt request
Fig. 10 Interrupt control
b7
b0
Interrupt edge selection register
(INTEDGE : address 003A16
)
INT
INT
INT
INT
0
active edge selection bit
1
2
3
active edge selection bit
active edge selection bit
active edge selection bit
Reserved(Do not write “1” to this bit)
Not used (returns “0” when read)
e active
dge active
b7
b0
b7
b0
Interrupt request register 2
(IREQ2 : address 003D16
Interrupt request register 1
)
(IREQ1 : address 003C16
INT
0 interrupt req
Timer 1 interrupt request bit
Timer 2 interrupt request bit
Reserved
INT
INT
INT
1
2
3
interrup
interrit
intt bit
Serial I/O reception interrupt request bit
Serial I/O transmit interrupt request bit
CNTR
0
interrupt request bit
interrupt request bit
Rese
CNTR
1
Timt request bit
Tupt request bit
AD converter interrupt request bit
Not used (returns “0” when read)
0 : No interrupt request issued
1 : Interrupt request issued
rrupt request issued
1 rupt request issued
b7
b0
b7
b0
Interrupt control register 2
Interrupt control register 1
(ICON2 : address 003F16
)
(ICON1 : address 003E16
)
Timer 1 interrupt enable bit
Timer 2 interrupt enable bit
INT interrupt enable bit
0
Reserved(Do not write "1" to this bit)
Serial I/O reception interrupt enable bit
Serial I/O transmit interrupt enable bit
INT
INT
INT
1
2
3
interrupt enable bit
interrupt enable bit
interrupt enable bit
CNTR
0
interrupt enable bit
interrupt enable bit
CNTR
1
Reserved(Do not write "1" to this bit)
Timer X interrupt enable bit
Timer Y interrupt enable bit
AD converter interrupt enable bit
Not used (returns “0” when read)
(Do not write “1” to this bit)
0 : Interrupts disabled
1 : Interrupts enabled
0 : Interrupts disabled
1 : Interrupts enabled
Fig. 11 Structure of interrupt-related registers (1)
14
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
TIMERS
Timer 1 and Timer 2
The 3850 group has four timers: timer X, timer Y, timer 1, and
The count source of prescaler 12 is the oscillation frequency
which is selected by timer 12 count source selection bit. The out-
put of prescaler 12 is counted by timer 1 and timer 2, and a timer
underflow sets the interrupt request bit.
timer 2.
The division ratio of each timer or prescaler is given by 1/(n + 1),
where n is the value in the corresponding timer or prescaler latch.
All timers are count down. When the timer reaches “0016”, an un-
derflow occurs at the next count pulse and the corresponding
timer latch is reloaded into the timer and the count is continued.
When a timer underflows, the interrupt request bit corresponding
to that timer is set to “1”.
Timer X and Timer Y
Timer X and Timer Y can each select in one of four operating
modes by setting the timer XY mode register.
(1) Timer Mode
The timer counts the count source selected by Timer count source
selection bit.
b0
b7
(2) Pulse Output Mode
Timer XY mode register
(TM : address 002316)
The timer counts the counce selected by Timer count source
selection bit. Whenevets of the timer reach “0016”, the
signal output from (or CNTR1) pin is inverted. If the
CNTR0 (or CNTdge selection bit is “0”, output begins
at “ H”.
Timer X operating mode bit
b1b0
0 0: Timer mode
0 1: Pulse output mode
1 0: Event counter mode
1 1: Pulse width measurement mode
CNTR0 active edge selection bit
0: Interrupt at falling edge
Count at rising edge in event
counter mode
1: Interrupt at rising edge
Count at falling edge in event
counter mode
If it is “1”, at “L”. When using a timer in this mode, set
the corport P27 ( or port P40) direction register to out-
put
nt Counter Mode
Timer X count stop bit
0: Count start
tion in event counter mode is the same as in timer mode, ex-
t that the timer counts signals input through the CNTR0 or
CNTR1 pin.
1: Count stop
Timer Y operating mode bit
b5b4
0 0: Timer mode
0 1: Pulse output mode
When the CNTR0 (or CNTR1) active edge selection bit is “0”, the
rising edge of the CNTR0 (or CNTR1) pin is counted.
When the CNTR0 (or CNTR1) active edge selection bit is “1”, the
falling edge of the CNTR0 (or CNTR1) pin is counted.
1 0: Event counter mod
1 1: Pulse width meas
CNTR1 active ed
0: Interrupt a
Count at ent
count
1: Intege
Cge in event
(4) Pulse Width Measurement Mode
If the CNTR0 (or CNTR1) active edge selection bit is “0”, the timer
counts the selected signals by the count source selection bit while
the CNTR0 (or CNTR1) pin is at “H”. If the CNTR0 (or CNTR1) ac-
tive edge selection bit is “1”, the timer counts it while the CNTR0
(or CNTR1) pin is at “L”.
op bit
rt
stop
Fig. 12 Structure of timer XY modregister
The count can be stopped by setting “1” to the timer X (or timer Y)
count stop bit in any mode. The corresponding interrupt request
bit is set each time a timer underflows.
b0
b7
Timer count source selection register
(TCSS : address 002816
)
Timer X count source selection bit
0 : f(XIN)/16 (f(XCIN)/16 at low-speed mode)
1 : f(XIN)/2 (f(XCIN)/2 at low-speed mode)
Timer Y count source selection bit
0 : f(XIN)/16 (f(XCIN)/16 at low-speed mode)
1 : f(XIN)/2 (f(XCIN)/2 at low-speed mode)
■Note
When switching the count source by the timer 12, X and Y count
source bit, the value of timer count is altered in unconsiderable
amount owing to generating of a thin pulses in the count input
signals.
Timer 12 count source selection bit
0 : f(XIN)/16 (f(XCIN)/16 at low-speed mode)
1 : f(XCIN
)
Not used (returns “0” when read)
Therefore, select the timer count source before set the value to
the prescaler and the timer.
Fig. 13 Structure of timer count source selection register
15
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Data bus
f(XIN)/16
f(XIN)/2
Prescaler X latch (8)
Timer X latch (8)
Pulse width
Timer mode
Timer X count source selection bit measurement
mode
Pulse output mode
To timer X interrupt
request bit
Prescaler X (8)
Timer X (8)
CNTR0 active
Event
Timer X count stop bit
edge selection
counter
mode
P27/CNTR0
“0”
bit
To CNTR0 interrupt
request bit
“1”
CNTR0 active
“1”
“0”
edge selection
bit
Q
Q
T
Toggle flip-flop
R
Timer se
Pul
Port P27
latch
Port P27
direction register
Pulse output mode
Data bus
Prescaler Y latch
Timer Y latch (8)
Timer Y (8)
f(XIN)/16
f(XIN)/2
Pulse width
measure-
ment mode
Timer mode
Timer Y count source selection bit
Pulse output mode
To timer Y interrupt
request bit
P
CNTR1 active
edge selection
Event
counter
mode
Timer Y co
P40/CNTR1
bit
“0”
To CNTR1 interrupt
request bit
“1”
CNTR1 a
“0”
edge s
bit
Q
Q
T
Toggle flip-flop
R
Port P40
latch
Timer Y latch write pulse
Pulse output mode
Port P40
direction register
Pulse output mode
Data bus
Prescaler 12 latch (8)
Prescaler 12 (8)
Timer 1 latch (8)
Timer 1 (8)
Timer 2 latch (8)
Timer 2 (8)
f(XIN)/16
f(XCIN)
To timer 2 interrupt
request bit
Timer 12 count source selection bit
To timer 1 interrupt
request bit
Fig. 14 Block diagram of timer X, timerY, timer 1, and timer 2
16
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
(1) Clock Synchronous Serial I/O Mode
Clock synchronous serial I/O mode can be selected by setting the
serial I/O mode selection bit of the serial I/O control register (bit 6
of address 001A16) to “1”.
SERIAL I/O
Serial I/O can be used as either clock synchronous or asynchro-
nous (UART) serial I/O. A dedicated timer is also provided for baud
rate generation.
For clock synchronous serial I/O, the transmitter and the receiver
must use the same clock. If an internal clock is used, transfer is
started by a write signal to the TB/RB.
Data bus
Serial I/O control register
Receive buffer full flag (RBF)
Address 001A16
Address 001816
Receive buffer register
Receive shift register
Receive interrupt request (RI)
P24/RXD
Shift clock
Clock control circuit
P26/SCLK
XIN
Serial I/O synchronous
clock selection bit
Frequency division ratio
BRG count source selection bit
1/4
Baud rate generat
Address 001
ontrol circuit
Falling-edge detector
P27/SRDY
P25/TXD
F/F
S
Transm
Trgister
Transmit shift completion flag (TSC)
Transmit interrupt source selection bit
Transmit interrupt request (TI)
Transmit buffer empty flag (TBE)
Serial I/O status register
Address 001916
Address 001816
us
Fig. 15 Block diagram of clock synchronO
Transfer shift clock
(1/2 to 1/2048 of the intern
clock, or an external clock)
Serial output TxD
Serial input RxD
D
0
0
D
1
1
D
2
2
D
3
3
D
4
4
D
5
5
D
6
6
D
7
7
D
D
D
D
D
D
D
D
Receive enable signal SRDY
Write pulse to receive/transmit
buffer register (address 001816
)
RBF = 1
TSC = 1
TBE = 0
TBE = 1
TSC = 0
Overrun error (OE)
detection
Notes 1: As the transmit interrupt (TI), either when the transmit buffer has emptied (TBE=1) or after the transmit shift operation has
ended (TSC=1), by setting the transmit interrupt source selection bit (TIC) of the serial I/O control register.
2: If data is written to the transmit buffer register when TSC=0, the transmit clock is generated continuously and serial data
is output continuously from the TxD pin.
3: The receive interrupt (RI) is set when the receive buffer full flag (RBF) becomes “1” .
Fig. 16 Operation of clock synchronous serial I/O function
17
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
(2) Asynchronous Serial I/O (UART) Mode
Clock asynchronous serial I/O mode (UART) can be selected by
clearing the serial I/O mode selection bit (b6) of the serial I/O con-
trol register to “0”.
two buffers have the same address in memory. Since the shift reg-
ister cannot be written to or read from directly, transmit data is
written to the transmit buffer register, and receive data is read from
the receive buffer register.
Eight serial data transfer formats can be selected, and the transfer
formats used by a transmitter and receiver must be identical.
The transmit and receive shift registers each have a buffer, but the
The transmit buffer register can also hold the next data to be
transmitted, and the receive buffer register can hold a character
while the next character is being received.
Data bus
Address 001816
Serial I/O control register Address 001A16
Receive buffer register
OE
Character length selection bit
Receive buffer full flag (RBF)
Receive interrupt request (RI)
P24/RXD
ST detector
7 bits
8 bits
Receive shift register
PE FE SP detector
RT control register
Address 001B16
Clock control
Serial I/O synchronous clock selection bit
P26/SCLK1
XIN
Frequency division ratio 1/(n
BRG count source selection bit
1/4
Baud rate genera
Address 0
ST/SP/PA gene
6
Transmit shift completion flag (TSC)
Transmit interrupt source selection bit
P25/TXD
t register
Transmit interrupt request (TI)
Character length selection
Transmit buffer empty flag (TBE)
mit buffer register
Address 001816
Address 001916
Serial I/O status register
Data bus
Fig.17 Block diagram of UART se
18
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Transmit or receive clock
Transmit buffer write
signal
TBE=0
TSC=0
TBE=1
TBE=0
TBE=1
TSC=1
Serial output TXD
ST
SP
D
0
D
1
ST
D
0
D1
SP
1 start bit
Generated at 2nd bit in 2-stop-bit mode
7 or 8 data bit
1 or 0 parity bit
1 or 2 stop bit (s)
Receive buffer read
signal
RBF=0
RBF=1
SP
RBF=1
SP
ST
Serial input R
XD
D0
D
1
ST
D0
D1
Notes 1: Error flag detection occurs at the same time that the RBF flag becomes “1” (at 1st stop bit, duri
2: As the transmit interrupt (TI), when either the TBE or TSC flag becomes “1,” can be selecteding on the setting of the transmit
interrupt source selection bit (TIC) of the serial I/O control register.
3: The receive interrupt (RI) is set when the RBF flag becomes “1.”
4: After data is written to the transmit buffer when TSC=1, 0.5 to 1.5 cycles of the data sssary until changing to TSC=0.
Fig. 18 Operation of UART serial I/O function
ial I/O Control Register (SIOCON)] 001A16
he serial I/O control register consists of eight control bits for the
serial I/O function.
[Transmit Buffer Register/Receive Buffe
Register (TB/RB)] 001816
The transmit buffer register and the receive buffer registe
cated at the same address. The transmit buffer is wri
the receive buffer is read-only. If a character bit lenge
MSB of data stored in the receive buffer is “0”.
[UART Control Register (UARTCON)] 001B16
The UART control register consists of four control bits (bits 0 to 3)
which are valid when asynchronous serial I/O is selected and set
the data format of an data transfer and one bit (bit 4) which is al-
ways valid and sets the output structure of the P25/TXD pin.
[Serial I/O Status Register (SI01916
The read-only serial I/O status registof seven flags
(bits 0 to 6) which indicate the opes of the serial I/O
function and various errors.
[Baud Rate Generator (BRG)] 001C16
The baud rate generator determines the baud rate for serial trans-
Three of the flags (bits 4 to 6) are ly in UART mode.
The receive buffer full flag (bit 1) is cared to “0” when the receive
buffer register is read.
fer.
The baud rate generator divides the frequency of the count source
by 1/(n + 1), where n is the value written to the baud rate genera-
tor.
If there is an error, it is detected at the same time that data is
transferred from the receive shift register to the receive buffer reg-
ister, and the receive buffer full flag is set. A write to the serial I/O
status register clears all the error flags OE, PE, FE, and SE (bit 3
to bit 6, respectively). Writing “0” to the serial I/O enable bit SIOE
(bit 7 of the serial I/O control register) also clears all the status
flags, including the error flags.
Bits 0 to 6 of the serial I/O status register are initialized to “0” at re-
set, but if the transmit enable bit (bit 4) of the serial I/O control
register has been set to “1”, the transmit shift completion flag (bit
2) and the transmit buffer empty flag (bit 0) become “1”.
19
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
b7
b0
b0
b7
Serial I/O status register
Serial I/O control register
(SIOSTS : address 0019 16
)
(SIOCON : address 001A 16
BRG count source selection bit (CSS)
0: f(XIN
)
Transmit buffer empty flag (TBE)
0: Buffer full
1: Buffer empty
)
1: f(XIN)/4
Serial I/O synchronous clock selection bit (SCS)
0: BRG output divided by 4 when clock synchronous
serial I/O is selected, BRG output divided by 16
when UART is selected.
Receive buffer full flag (RBF)
0: Buffer empty
1: Buffer full
1: External clock input when clock synchronous serial
I/O is selected, external clock input divided by 16
when UART is selected.
Transmit shift completion flag (TSC)
0: Transmit shift in progress
1: Transmit shift completed
S
0: P2
1: P2
RDY output enable bit (SRDY)
Overrun error flag (OE)
0: No error
1: Overrun error
7
pin operates as ordinary I/O pin
pin operates as SRDY output pin
7
Transmit inteupt source selection bit (TIC)
0: Interruptransmit buffer has emptied
1: Internsmit shift operation is completed
Parity error flag (PE)
0: No error
1: Parity error
Tbit (TE)
abled
enabled
Framing error flag (FE)
0: No error
1: Framing error
ve enable bit (RE)
Receive disabled
1: Receive enabled
Summing error flag (SE)
0: (OE) U (PE) U (FE)=0
1: (OE) U (PE) U (FE)=1
Serial I/O mode selection bit (SIOM)
0: Clock asynchronous (UART) serial I/O
1: Clock synchronous serial I/O
Not used (returns “1” when read)
b0
b7
Serial I/O enable bit (SIOE)
0: Serial I/O disabled
UART control register
(UARTCON : address 001B 16
)
(pins P2
1: Serial I/O enabled
(pins P2 to P2 operate as serial I/O pins)
4 to P27 operate as ordinary I/O pins)
Character length selection bit (CHAS)
0: 8 bits
1: 7 bits
4
7
Parity enable bit (PARE)
0: Parity checking disabled
1: Parity checking enabled
Parity selection bit (PA
0: Even parity
1: Odd parity
Stop bit lengt (STPS)
0: 1 stop bit
1: 2 stop bits
P25/TXD P-channel output disable bit (POFF)
0: CMOS output (in output mode)
1: N-channel open drain output (in output mode)
Not used (return “1” when read)
Fig. 19 Structure of serial I/O control registers
20
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PULSE WIDTH MODULATION (PWM)
The 3850 group has a PWM function with an 8-bit resolution,
based on a signal that is the clock input XIN or that clock input di-
vided by 2.
PWM Operation
When bit 0 (PWM enable bit) of the PWM control register is set to
“1”, operation starts by initializing the PWM output circuit, and
pulses are output starting at an “H”.
If the PWM register or PWM prescaler is updated during PWM
output, the pulses will change in the cycle after the one in which
the change was made.
Data Setting
The PWM output pin also functions as port P44. Set the PWM pe-
riod by the PWM prescaler, and set the “H” term of output pulse by
the PWM register.
If the value in the PWM prescaler is n and the value in the PWM
register is m (where n = 0 to 255 and m = 0 to 255) :
PWM period = 255 ✕ (n+1) / f(XIN)
31.875 ✕ m ✕ (n+1)
µs
255
= 31.875 ✕ (n+1) µs (when f(XIN) = 8 MHz)
Output pulse “H” term = PWM period ✕ m / 255
= 0.125 ✕ (n+1) ✕ m µs
PWM output
(when f(XIN) = 8 MHz)
1.875 ✕ (n+1)] µs
m: CWM register
n PWM prescaler
riod (when f(XIN) = 8 MHz)
Fig. of PWM period
Data bus
PWM
prescaler
PWM
register pre-latch
ransfer control circuit
PWM
prescaler latch
PWM
register latch
Count source
selection bit
Port P44
“0”
XIN
PWM register
PWM prescaler
“1”
1/2
Port P44 latch
PWM enable bit
Fig. 21 Block diagram of PWM function
21
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
b7
b0
PWM control register
(PWMCON : address 001D16)
PWM function enable bit
0: PWM disabled
1: PWM enabled
Count source selection bit
0: f(XIN)
1: f(XIN)/2
Not used (return “0” when read)
Fig. 22 Structure of PWM control register
B
T
C
T2
=
A
B
C
PWM output
T
T2
PWM register
write signal
(Changes rom “A” to “B”.)
PWM prescaler
write signal
(Changes PWM period from “T” to “T2”.)
When the contents oregister or PWM prescaler have changed, the PWM
output will change ext period after the change.
Fig. 23 PWM output timing when M register or PWM prescaler is changed
■Note
The PWM starts after the PWM enable bit is set to enable and "L" level is output from the PWM pin.
The length of this "L" level output is as follows:
n+1
sec
sec
(Count source selection bit = 0, where n is the value set in the prescaler)
(Count source selection bit = 1, where n is the value set in the prescaler)
2 • f(XIN)
n+1
f(XIN)
22
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
A-D CONVERTER
[A-D Conversion Registers (ADL, ADH)]
003516, 003616
b7
b0
AD control register
(ADCON : address 003416)
The A-D conversion registers are read-only registers that store the
result of an A-D conversion. Do not read these registers during an
A-D conversion
Analog input pin selection bits
b2 b1 b0
0 0 0: P30/AN0
0 0 1: P31/AN1
0 1 0: P32/AN2
0 1 1: P33/AN3
1 0 0: P34/AN4
[AD Control Register (ADCON)] 003416
The AD control register controls the A-D conversion process. Bits
0 to 2 select a specific analog input pin. Bit 4 indicates the
completion of an A-D conversion. The value of this bit remains at
“0” during an A-D conversion and changes to “1” when an A-D
conversion ends. Writing “0” to this bit starts the A-D conversion.
Not used (returns “0” when read)
A-D conversion completion bit
0: Conversion in progress
1: Conversion completed
Not used (returns “0” when read)
Comparison Voltage Generator
The comparison voltage generator divides the voltage between
Fig. 24 Structure of AD l register
AVSS and VREF into 1024 and outputs the divided voltages.
Channel Selector
The channel selector selects one of ports P30/AN0 to P34/AN4 and
10-bit r
(Rss 003616 before 003516
)
inputs the voltage to the comparator.
b7
b0
s 003616
Address 003516
)
b9 b8
Comparator and Control Circuit
The comparator and control circuit compare an analog input volt-
age with the comparison voltage, and the result is stored in the
A-D conversion registers. When an A-D conversion is completed
the control circuit sets the A-D conversion completion bit and
A-D interrupt request bit to “1”.
b7
b0
)
b7 b6 b5 b4 b3 b2 b1 b0
Note : The high-order 6 bits of address 0036 16 become “0”
at reading.
Note that because the comparator consists of a capa
pling, set f(XIN) to 500 kHz or more during an A-D co
8-bit reading (Read only address 003516
)
b0
b7
(Address 003516
)
b9 b8 b7 b6 b5 b4 b3 b2
Fig. 25 Structure of A-D conversion registers
Data bus
b7
3
b0
AD control register
(Address 003416
)
A-D interrupt request
A-D control circuit
P30/AN0
P3
P3
P3
P3
1/AN
2/AN
3/AN
4/AN
1
2
3
4
A-D conversion high-order register (Address 003616
)
)
Comparator
A-D conversion low-order register (Address 003516
10
Resistor ladder
V
REF AVSS
Fig. 26 Block diagram of A-D converter
23
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
WATCHDOG TIMER
●Watchdog timer H count source selection bit operation
Bit 7 of the watchdog timer control register (address 003916) per-
mits selecting a watchdog timer H count source. When this bit is
set to “0”, the count source becomes the underflow signal of
watchdog timer L. The detection time is set to 131.072 ms at f(XIN)
= 8 MHz frequency and 32.768 s at f(XCIN) = 32 kHz frequency.
When this bit is set to “1”, the count source becomes the signal
divided by 16 for f(XIN) (or f(XCIN)). The detection time in this case
is set to 512 µs at f(XIN) = 8 MHz frequency and 128 ms at f(XCIN)
= 32 kHz frequency. This bit is cleared to “0” after resetting.
The watchdog timer gives a mean of returning to the reset status
when a program cannot run on a normal loop (for example, be-
cause of a software run-away). The watchdog timer consists of an
8-bit watchdog timer L and an 8-bit watchdog timer H.
Standard Operation of Watchdog Timer
When any data is not written into the watchdog timer control reg-
ister (address 003916) after resetting, the watchdog timer is in the
stop state. The watchdog timer starts to count down by writing an
optional value into the watchdog timer control register (address
003916) and an internal reset occurs at an underflow of the watch-
dog timer H.
●Operation of STP instruction disable bit
Bit 6 of the watchdog timer control register (address 003916) per-
mits disabling the STP instruction when the watchdog timer is in
operation.
Accordingly, programming is usually performed so that writing to
the watchdog timer control register (address 003916) may be
started before an underflow. When the watchdog timer control reg-
ister (address 003916) is read, the values of the high-order 6 bits
of the watchdog timer H, STP instruction disable bit, and watch-
dog timer H count source selection bit are read.
When this bit is “0”, the Sruction is enabled.
When this bit is “1”, thction is disabled, once the STP
instruction is execrnal reset occurs. When this bit is
set to “1”, it cwritten to “0” by program. This bit is
cleared to “0ing.
●Initial value of watchdog timer
At reset or writing to the watchdog timer control register (address
003916), each watchdog timer H and L is set to “FF16.”
“FF16” is set when
watchdog timer
control register is
written to.
Data bus
“FF16” is set when
watchdog timer
control register is
written to.
XCIN
“0”
“1”
“10”
Watc
Main clock division
ratio selection bits
(Note)
Watchdog timer H (8)
1/16
“00”
“01”
Watchdog timer H count
source selection bit
XIN
STP instructi
Reset
circuit
Internal reset
RESET
Note: Any one of high-speed, middle-speed or low-speed mode is selected by bits 7 and 6 of the CPU mode register.
Fig. 27 Block diagram of Watchdog timer
b0
b7
Watchdog timer control register
(WDTCON : address 003916)
Watchdog timer H (for read-out of high-order 6 bit)
STP instruction disable bit
0: STP instruction enabled
1: STP instruction disabled
Watchdog timer H count source selection bit
0: Watchdog timer L underflow
1: f(XIN)/16 or f(XCIN)/16
Fig. 28 Structure of Watchdog timer control register
24
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
RESET CIRCUIT
To reset the microcomputer, RESET pin must be held at an "L"
level for 2 µs or more. Then the RESET pin is returned to an "H"
level (the power source voltage must be between 2.7 V and 5.5 V,
and the oscillation must be stable), reset is released. After the re-
set is completed, the program starts from the address contained in
address FFFD16 (high-order byte) and address FFFC16 (low-order
byte). Make sure that the reset input voltage is less than 0.54 V for
VCC of 2.7 V.
Poweron
(Note)
Power source
voltage
0V
RESET
VCC
Reset input
voltage
0V
0.2VCC
Note : Reset release voltage ; Vcc=2.7 V
RESET
V
CC
Power source
voltage detection
circuit
Figcircuit example
XIN
φ
RESET
RESETOUT
Address
ADH,L
?
?
?
?
FFFC
FFFD
Reset address from the vector table.
ADH
Data
?
?
?
ADL
?
SYNC
XIN: 8 to 13 clock cycles
Notes 1: The frequency relation of f(XIN) and f(φ) is f(XIN) = 2 • f(φ).
2: The question marks (?) indicate an undefined state that depends on the previous state.
3: All signals except XIN and RESET are internals.
Fig. 30 Reset sequence
25
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Address Register contents
000116
000316
000516
000716
000916
001916
001A16
001B16
001D16
002016
002116
002
2516
002616
002716
002816
002C16
002D16
002E16
002F16
003016
003416
003816
003916
003A16
003B16
003C16
003D16
003E16
003F16
(PS)
(1)
0016
Port P0 direction register (P0D)
Port P1 direction register (P1D)
Port P2 direction register (P2D)
Port P3 direction register (P3D)
Port P4 direction register (P4D)
Serial I/O status register (SIOSTS)
Serial I/O control register (SIOCON)
UART control register (UARTCON)
PWM control register (PWMCON)
Prescaler 12 (PRE12)
(2)
0016
(3)
0016
(4)
0016
(5)
0016
(6)
1 0 0 0 0 0 0 0
(7)
0016
(8)
1 1 1 0 0 0 0 0
(9)
001
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(
(25)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(33)
(34)
Timer 1 (T1)
6
Timer 2 (T2)
0016
Timer XY mode register (TM)
Prescaler X (PREX)
FF16
FF16
Timer X (TX)
FF16
Prescaler Y (PREY)
FF16
Timer Y (TY)
0016
Timer count souter
Reserved
Not fixed
Not fixed
Not fixed
Not fixed
Not fixed
0 0 0 1 0 0 0 0
0016
Reser
rved
AD control register (ADCON)
MISRG
0 0 1 1 1 1 1 1
0016
Watchdog timer control register (WDTCON)
Interrupt edge selection register (INTEDGE)
CPU mode register (CPUM)
Interrupt request register 1 (IREQ1)
Interrupt request register 2 (IREQ2)
Interrupt control register 1 (ICON1)
Interrupt control register 2 (ICON2)
Processor status register
Program counter
0 1 0 0 1 0 0 0
0016
0016
0016
0016
1
X X X X X
X X
(PCH)
FFFD16 contents
FFFC16 contents
(PCL)
Note : X indicates Not fixed .
Fig. 31 Internal status at reset
26
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
CLOCK GENERATING CIRCUIT
be generated.
The 3850 group has two built-in oscillation circuits. An oscillation
circuit can be formed by connecting a resonator between XIN and
XOUT (XCIN and XCOUT). Use the circuit constants in accordance
with the resonator manufacturer’s recommended values. No exter-
nal resistor is needed between XIN and XOUT since a feed-back
resistor exists on-chip. However, an external feed-back resistor is
needed between XCIN and XCOUT.
(2) Wait mode
If the WIT instruction is executed, the internal clock φ stops at an
“H” level, but the oscillator does not stop. The internal clock φ re-
starts at reset or when an interrupt is received. Since the oscillator
does not stop, normal operation can be started immediately after
the clock is restarted.
Immediately after power on, only the XIN oscillation circuit starts
oscillating, and XCIN and XCOUT pins function as I/O ports.
To ensure that the interrupts will be received to release the STP or
WIT state, their interrupt enable bits must be set to “1” before ex-
ecuting of the STP or WIT instruction.
Frequency Control
(1) Middle-speed mode
When releasing the STP state, the prescaler 12 and timer 1 will
start counting the clock XIN divided by 16. Accordingly, set the
timer 1 interrupt enable bit to “0” before executing the STP instruc-
tion.
The internal clock φ is the frequency of XIN divided by 8. After re-
set, this mode is selected.
(2) High-speed mode
The internal clock φ is half the frequency of XIN.
■Note
When using the abilizing time set after STP instruction
released bit aluate time to stabilize oscillation of the
used oscithe value to the timer 1 and prescaler 12.
(3) Low-speed mode
The internal clock φ is half the frequency of XCIN.
■Note
If you switch the mode between middle/high-speed and low-
speed, stabilize both XIN and XCIN oscillations. The sufficient time
is required for the sub-clock to stabilize, especially immediately af-
ter power on and at returning from the stop mode. When switchi
the mode between middle/high-speed and low-speed, set th
quency on condition that f(XIN) > 3•f(XCIN).
XCIN XCOUT
XIN
XOUT
Rf
Rd
(4) Low power dissipation mode
COUT
CCIN
CCOUT
CIN
The low power consumption operation can be repping
the main clock XIN in low-speed mode. To stclock, set
bit 5 of the CPU mode register to “1.” Whclock XIN is
restarted (by setting the main clock s), set sufficient
time for oscillation to stabilize.
Fig. 32 Ceramic resonator circuit
The sub-clock XCIN-XCOUT oscican not directly input
clocks that are generated externcordingly, make sure to
cause an external resonator to oscille.
Oscillation Control
(1) Stop mode
XCIN XCOUT
XIN
XOUT
Open
If the STP instruction is executed, the internal clock φ stops at an
“H” level, and XIN and XCIN oscillation stops. When the oscillation
stabilizing time set after STP instruction released bit is “0,” the
prescaler 12 is set to “FF16” and timer 1 is set to “0116.” When the
oscillation stabilizing time set after STP instruction released bit is
“1,” set the sufficient time for oscillation of used oscillator to stabi-
lize since nothing is set to the prescaler 12 and timer 1.
Either XIN or XCIN divided by 16 is input to the prescaler 12 as
count source. Oscillator restarts when an external interrupt is re-
ceived, but the internal clock φ is not supplied to the CPU (remains
at “H”) until timer 1 underflows. The internal clock φ is supplied for
the first time, when timer 1 underflows. This ensures time for the
clock oscillation using the ceramic resonators to be stabilized.
When the oscillator is restarted by reset, apply “L” level to the
RESET pin until the oscillation is stable since a wait time will not
Rf
Rd
External oscillation
circuit
CCIN
CCOUT
Vcc
Vss
Fig. 33 External clock input circuit
27
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Middle-speed mode automatic switch set bit
By setting the middle-speed mode automatic switch set bit to “1”
while operating in the low-speed mode, XIN oscillation automati-
cally starts and the mode is automatically switched to the
middle-speed mode when defecting a rising/falling edge of the
SCL or SDA pin. The middle-speed automatic switch wait time set
bit can select the switch timing from the low-speed to the middle-
speed mode; either 4.5 to 5.5 machine cycles or 6.5 to 7.5
machine cycles in the low-speed mode. Select it according to os-
cillation start characteristics of used XIN oscillator.
b7
b0
MISRG
(MISRG : address 003816
)
Oscillation stabilizing time set after STP instruction
released bit
0: Automatically set “0116” to Timer 1,
“FF16” to Prescaler 12
1: Automatically set nothing
Middle-speed mode automatic switch set bit
0: Not set automatically
1: Automatic switching enable
Middle-speed mode automatic switch wait time set bit
0: 4.5 to 5.5 machine cycles
1: 6.5 to 7.5 machine cycles
The middle-speed mode automatic switch start bit is used to auto-
matically make to XIN oscillation start and switch to the
middle-speed mode by setting this bit to “1” while operating in the
low-speed mode.
Middle-speed mode automatic switch start bit
(Depending on program)
0: Invalid
1: Automatic switch start
Not used (return “0” when read)
Fig. 34 Structure of MISRG
XCOUT
XCIN
“0”
“1”
Port X
C
switch bit
XOUT
XIN
Main clock divi
selection bit
Low-sp
Prescaler 12
FF16
Timer 1
0116
1/4
1/2
Hig
m
Reset or
STP instruction
Main clock division ratio
selection bits (Note)
Middle-speed mode
Timing φ (internal clock)
High-speed or
low-speed mode
Main clock stop bit
Q
S
R
S
R
Q
Q
S
R
STP instruction
STP instruction
WIT instruction
Reset
Interrupt disable flag l
Interrupt request
Note: Any one of high-speed, middle-speed or low-speed mode is selected by bits 7 and 6 of the CPU mode register.
When low-speed mode is selected, set port Xc switch bit (b1) to “1”.
Fig. 35 System clock generating circuit block diagram (Single-chip mode)
28
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Reset
Middle-speed mode
High-speed mode
(f(φ)=4 MHz)
(f(φ)=1 MHz)
CM6
“1”←→“0”
CM7=0
CM7=0
CM6=1
CM6=0
CM5=0(8 MHz oscillating)
CM4=0(32 kHz stopped)
CM5=0(8 MHz oscillating)
CM4=0(32 kHz stopped)
High-speed mode
(f(φ)=4 MHz)
Middle-speed mode
(f(φ)=1 MHz)
CM6
“1”←→“0”
CM7=0
CM6=1
CM5=0(8 MHz oscillating)
CM4=1(32 kHz oscillating)
CM7=0
CM6=0
CM5=0(8 MHz oscillating)
CM4=1(32 kHz oscillatin
peed mode
φ)=16 kHz)
=1
M6=0
CM5=0(8 MHz oscillating)
CM4=1(32 kHz oscillating)
b7
b4
CPU mode register
(CPUM : address 003B16)
CM4 : Port Xc switch bit
0 : I/O port function (stop oscillating)
1 : XCIN-XCOUT oscillating function
CM5 : Main clock (XIN- XOUT) stop bit
0 : Operating
1 : Stopped
CM7, CM6: Main clock division ratio selection bit
b7 b6
Low-speed mode
(f(φ)=16 kHz)
0
0
1
1
0 : φ = f(XIN)/2 ( High-speed mode)
1 : φ = f(XIN)/8 (Middle-speed mode)
0 : φ = f(XCIN)/2 (Low-speed mode)
1 : Not available
CM7=1
CM6=0
CM5=1(8 MHz stopped)
CM4=1(32 kHz oscillating)
Notes
1 : Switch the mode by the allows shown between the mode blocks. (Do not switch between the modes directly without an allow.)
2 : The all modes can be switched to the stop mode or the wait mode and return to the source mode when the stop mode or the wait mode is
ended.
3 : Timer operates in the wait mode.
4 : When the stop mode is ended, a delay of approximately 1 ms occurs by connecting prescaler 12 in middle/high-speed mode.
5 : When the stop mode is ended, a delay of approximately 16 ms occurs by Timer 1 and Timer 2 in low-speed mode.
6 : Wait until oscillation stabilizes after oscillating the main clock X IN before the switching from the low-speed mode to middle/high-speed
mode.
7 : The example assumes that 8 MHz is being applied to the X IN pin and 32 kHz to the X CIN pin. φ indicates the internal clock.
Fig. 36 State transitions of system clock
29
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
NOTES ON PROGRAMMING
A-D Converter
Processor Status Register
The comparator uses capacitive coupling amplifier whose charge
will be lost if the clock frequency is too low.
Therefore, make sure that f(XIN) is at least on 500 kHz during an
A-D conversion.
The contents of the processor status register (PS) after a reset are
undefined, except for the interrupt disable flag (I) which is “1.” After
a reset, initialize flags which affect program execution. In particu-
lar, it is essential to initialize the index X mode (T) and the decimal
mode (D) flags because of their effect on calculations.
Do not execute the STP or WIT instruction during an A-D conver-
sion.
Interrupts
Instruction Execution Time
The contents of the interrupt request bits do not change immedi-
ately after they have been written. After writing to an interrupt
request register, execute at least one instruction before performing
a BBC or BBS instruction.
The instruction execution time is obtained by multiplying the fre-
quency of the internal clock φ by the number of cycles needed to
execute an instruction.
The number of cycles required to execute an instruction is shown
in the list of machine instructions.
Decimal Calculations
The frequency of the internaclock φ is half of the XIN frequency in
high-speed mode.
• To calculate in decimal notation, set the decimal mode flag (D)
to “1”, then execute an ADC or SBC instruction. After executing
an ADC or SBC instruction, execute at least one instruction be-
fore executing a SEC, CLC, or CLD instruction.
• In decimal mode, the values of the negative (N), overflow (V),
and zero (Z) flags are invalid.
Timers
If a value n (between 0 and 255) is written to a timer latch, the fre-
quency division ratio is 1/(n+1).
Multiplication and Division Instructions
• The index X mode (T) and the decimal mode (D) flags do
fect the MUL and DIV instruction.
• The execution of these instructions does not cha-
tents of the processor status register.
Ports
The contents of the port direction regibe read. The
following cannot be used:
• The data transfer instruction (L
• The operation instruction wheX mode flag (T) is “1”
• The addressing mode which usevalue of a direction regis-
ter as an index
• The bit-test instruction (BBC or BBS, etc.) to a direction register
• The read-modify-write instructions (ROR, CLB, or SEB, etc.) to a
direction register.
Use instructions such as LDM and STA, etc., to set the port direc-
tion registers.
Serial I/O
In clock synchronous serial I/O, if the receive side is using an ex-
ternal clock and it is to output the SRDY signal, set the transmit
enable bit, the receive enable bit, and the SRDY output enable bit
to “1.”
Serial I/O continues to output the final bit from the TXD pin after
transmission is completed.
When an external clock is used as synchronous clock in serial I/O,
write transmission data to the transmit buffer register while the
transfer clock is “H.”
30
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
DATA REQUIRED FOR MASK ORDERS
ROM PROGRAMMING METHOD
The following are necessary when ordering a mask ROM produc-
The built-in PROM of the blank One Time PROM version and built-
in EPROM version can be read or programmed with a
general-purpose PROM programmer using a special programming
adapter. Set the address of PROM programmer in the user ROM
area.
tion:
1.Mask ROM Order Confirmation Form
2.Mark Specification Form
3.Data to be written to ROM, in EPROM form (three identical cop-
ies)
Table 5 Programming adapter
DATA REQUIRED FOR ROM WRITING
ORDERS
Package
Name of Programming Adapter
42P2R-A
42P4B
PCA4738F-42A
PCA4738S-42A
The following are necessary when ordering a ROM writing:
1.ROM Writing Confirmation Form
2.Mark Specification Form
3.Data to be written to ROM, in EPROM form (three identical cop-
ies)
The PROM of the blank One Time PROM version is not tested or
screened in the assembly ss and following processes. To en-
sure proper operation mming, the procedure shown in
Figure 49 is recomerify programming.
Programming with PROM
programmer
Screening (Caution)
(150 °C for 40 hours)
Verification with
PROM programmer
Functional check in
target device
The screening temperature is far higher
than the storage temperature. Never
expose to 150 °C exceeding 100 hours.
Caution :
Fig. 37 Programming and testing of One Time PROM version
31
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
ELECTRICAL CHARACTERISTICS
Table 6 Absolute maximum ratings
Symbol
Parameter
Power source voltage
Conditions
Ratings
Unit
V
VCC
–0.3 to 7.0
Input voltage P00–P07, P10–P17, P20, P21,
P24–P27, P30–P34, P40–P44,
VREF
VI
–0.3 to VCC +0.3
V
VI
VI
VI
Input voltage P22, P23
Input voltage RESET, XIN
Input voltage CNVSS
–0.3 to 5.8
–0.3 to VCC +0.3
–0.3 to 13
V
V
V
All voltages are based on VSS.
Output transistors are cut off.
Output voltage P00–P07, P10–P17, P20, P21,
P24–P27, P30–P34, P40–P44,
XOUT
VO
–0.3 to VCC +0.3
V
VO
Output voltage P22, P23
Power dissipation
–0.3 to 5.8
300
V
mW
°C
Pd
Ta = 25 °C
Topr
Tstg
Operating temperature
Storage temperature
–20 to 85
–40 to 125
°C
Table 7 Recommended operating conditions (1)
(VCC = 2.7 to 5.5 V, Ta = –20 to 85 °C, unless otherwise noted)
Limits
Symbol
Parameter
Unit
V
Min.
Typ.
5.0
5.0
0
Max.
Power source voltage (At 8 MHz)
Power source voltage (At 4 MHz)
Power source voltage
4.0
2.7
5.5
5.5
VCC
VSS
VREF
AVSS
VIA
V
V
V
V
V
V
V
V
V
A-D convert reference voltage
Analog power source voltage
2.0
VCC
0
Analog input voltage
“H” input voltage
“H” input voltage
AN0–AN
AVSS
VCC
VCC
P00–P, P20–P27, P30–P34, P40–P44
RENVSS
VIH
0.8VCC
VIH
0.8VCC
VCC
VIL
0
0
0
“L” input voltage
10–P17, P20–P27, P30–P34, P40–P44
CNVSS
0.2VCC
0.2VCC
0.16VCC
VIL
“L” input voltage
VIL
“L” input voltage
ΣIOH(peak)
ΣIOH(peak)
ΣIOL(peak)
ΣIOL(peak)
ΣIOL(peak)
ΣIOH(avg)
ΣIOH(avg)
ΣIOL(avg)
ΣIOL(avg)
ΣIOL(avg)
“H” total peak output
“H” total peak out
“L” total peak outt
“L” total peak output rrent
“L” total peak output current
P00–P07, P10–P17, P30–P34 (Note)
P20, P21, P24–P27, P40–P44 (Note)
P00–P07, P10–P12, P30–P34 (Note)
P13–P17 (Note)
–80
–80
80
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
80
P20–P27,P40–P44 (Note)
80
“H” total average output current P00–P07, P10–P17, P30–P34 (Note)
“H” total average output current P20, P21, P24–P27, P40–P44 (Note)
“L” total average output current P00–P07, P10–P12, P30–P34 (Note)
“L” total average output current P13–P17 (Note)
–40
–40
40
40
“L” total average output current P20–P27,P40–P44 (Note)
40
Note : The total output current is the sum of all the currents flowing through all the applicable ports. The total average current is an average value measured
over 100 ms. The total peak current is the peak value of all the currents.
32
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 8 Recommended operating conditions (2)
(VCC = 2.7 to 5.5 V, Ta = –20 to 85 °C, unless otherwise noted)
Limits
Unit
Symbol
Parameter
Min.
Typ.
Max.
“H” peak output current
“L” peak output current
P00–P07, P10–P17, P20, P21, P24–P27, P30–P34,
P40–P44 (Note 1)
IOH(peak)
–10
mA
P00–P07, P10–P12, P20–P27, P30–P34, P40–P44
(Note 1)
IOL(peak)
IOL(peak)
IOH(avg)
10
20
–5
mA
mA
mA
“L” peak output current
P13–P17 (Note 1)
“H” average output current
P00–P07, P10–P17, P20, P21, P24–P27, P30–P34,
P40–P44 (Note 2)
“L” average output current
“L” peak output current
P00–P07, P10–P12, P20–P27, P30–P34, P40–P44
(Note 2)
IOL(avg)
5
mA
15
8
mA
MHz
kHz
IOL(avg)
f(XIN)
f(XIN)
P13–P17 (Note 2)
Internal clock oscillation frequency (VCC = 4.0 to 5.5V) (Note 3)
Internal clock oscillation frequency (VCC = 2.7 to 5.5V) (Note 3)
4
Notes 1: The peak output current is the peak current flowing in each port.
2: The average output current IOL(avg), IOH(avg) are average value measured over 100 ms.
3: When the oscillation frequency has a duty cycle of 50%.
33
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 9 Electrical characteristics
(VCC = 2.7 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Limits
Typ.
Symbol
Parameter
“H” output voltage
P00–P07, P10–P17, P20, P21,
P24–P27, P30–P34, P40–P44
(Note)
Test conditions
IOH = –10 mA
VCC = 4.0–5.5 V
IOH = –1.0 mA
VCC = 2.7–5.5 V
Unit
Min.
Max.
V
V
V
V
V
V
VCC–2.0
VCC–1.0
VOH
VOL
VOL
IOL = 10 mA
VCC = 4.0–5.5 V
IOL = 1.0 mA
“L” output voltage
P00–P07, P10–P12, P20–P27
P30–P34, P40–P44
2.0
1.0
2.0
1.0
VCC = 2.7–5.5 V
IOL = 20 mA
VCC = 4.0–5.5 V
IOL = 10 mA
VCC = 2.7–5.5 V
“L” output voltage
P13–P17
Hysteresis
CNTR0, CNTR1, INT0–INT3
0.4
VT+–VT–
V
V
V
VT+–VT–
VT+–VT–
Hysteresis RxD, SCLK
Hysteresis RESET
0.5
0.5
“H” input current
P00–P07, P10–P17, P20, P21,
P24–P27, P30–P34, P40–P44
5.0
5.0
IIH
VI = VCC
µA
µA
µA
IIH
IIH
“H” input current RESET, CNVSS
“H” input current XIN
VI = VCC
VI = VCC
4
“L” input current
P00–P07, P10–P17, P20–P27
P30–P34, P40–P44
IIL
–5.0
–5.0
µA
VI = V
IIL
“L” input current RESET,CNVSS
µA
µA
V
V
IIL
“L” input current
XIN
–4
5.5
VRAM
RAM hold voltage
2.0
clock stopped
Note: P25 is measured when the P25/TXD P-channel outpthe UART control register (bit 4 of address 001B16) is “0”.
34
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 10 Electrical characteristics
(VCC = 2.7 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Limits
Symbol
Parameter
Test conditions
High-speed mode
f(XIN) = 8 MHz
f(XCIN) = 32.768 kHz
Output transistors “off”
Unit
Typ.
Max.
13
Min.
6.8
mA
High-speed mode
f(XIN) = 8 MHz (in WIT state)
f(XCIN) = 32.768 kHz
Output transistors “off”
1.6
60
mA
µA
µA
µA
µA
Low-speed mode
f(XIN) = stopped
f(XCIN) = 32.768 kHz
Output transistors “off”
200
40
Low-speed mode
f(XIN) = stopped
f(XCIN) = 32.768 kHz (in WIT state)
Output transistors “off”
0
Low-speed mode (VCC = 3 V)
f(XIN) = stopped
f(XCIN) = 32.768 kHz
Output transistors “off”
ICC
Power source current
20
55
Low-speed mode (VCC = 3 V
f(XIN) = stopped
f(XCIN) = 32.768 kHz (in
Output transistors “off
5.0
10.0
Middle-speed mod
f(XIN) = 8 MHz
f(XCIN) = stop
Output tra
7.0
mA
4.0
1.5
Middle-
f(XINWIT state)
f(Xed
mA
istors “off”
t when A-D conversion is
ed
) = 8 MHz
800
0.1
µA
All oscillation stopped
Ta = 25 °C
(in STP state)
1.0
10
µA
µA
Output transistors “off”
Ta = 85 °C
35
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 11 A-D converter characteristics
(VCC = 2.7 to 5.5 V, VSS = AVSS = 0 V, Ta = –20 to 85 °C, f(XIN) = 8 MHz, unless otherwise noted)
Limits
Typ.
Symbol
Parameter
Test conditions
Unit
Min.
Max.
10
–
–
Resolution
bit
LSB
tc(φ)
kΩ
Absolute accuracy (excluding quantization error)
Conversion time
±4
tCONV
61
RLADDER
IVREF
Ladder resistor
35
150
0.5
VREF = 5.0 V
Reference power source input current
A-D port input current
µA
50
200
5.0
II(AD)
µA
36
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
TIMING REQUIREMENTS
Table 12 Timing requirements (1)
(VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Limits
Unit
Symbol
Parameter
Min.
2
Typ.
Max.
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
tW(RESET)
tC(XIN)
Reset input “L” pulse width
External clock input cycle time
125
50
tWH(XIN)
External clock input “H” pulse width
External clock input “L” pulse width
CNTR0, CNTR1 input cycle time
tWL(XIN)
50
tC(CNTR)
tWH(CNTR)
tWL(CNTR)
tC(SCLK)
200
80
CNTR0, CNTR1, INT0–INT3 input “H” pulse width
CNTR0, CNTR1, INT0–INT3 input “L” pulse width
Serial I/O clock input cycle time (Note)
Serial I/O clock input “H” pulse width (Note)
Serial I/O clock input “L” pulse width (Note)
Serial I/O input setup time
80
800
370
370
tWH(SCLK)
tWL(SCLK)
tsu(RxD-SCLK)
th(SCLK-RxD)
Serial I/O input hold time
Note : When f(XIN) = 8 MHz and bit 6 of address 001A16 is “1” (clock synchronous).
Divide this value by four when f(XIN) = 8 MHz and bit 6 of address 001A16 is “0” (UART).
Table 13 Timing requirements (2)
(VCC = 2.7 to 4.0 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Limits
Typ.
Symbol
Parameter
Unit
Min.
2
Max.
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
tW(RESET)
tC(XIN)
Reset input “L” pulse width
External clock input cycle time
250
100
100
500
230
230
2000
950
950
400
200
tWH(XIN)
External clock input “H” pulse width
External clock input “L” pulse widt
CNTR0, CNTR1 input cycle tim
tWL(XIN)
tC(CNTR)
tWH(CNTR)
tWL(CNTR)
tC(SCLK)
CNTR0, CNTR1, INT0–INTlse width
CNTR0, CNTR1, INT0–Ipulse width
Serial I/O clock inpuNote)
Serial I/O clock ie width (Note)
Serial I/O cloclse width (Note)
Serial I/O me
tWH(SCLK)
tWL(SCLK)
tsu(RxD-SCLK)
th(SCLK-RxD)
Serial I/O intime
Note : When f(XIN) = 8 MHz and bit 6 of ddress 001A16 is “1” (clock synchronous).
Divide this value by four when f(XIN) = 8 MHz and bit 6 of address 001A16 is “0” (UART).
37
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 14 Switching characteristics 1
(VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Limits
Unit
Symbol
Parameter
Min.
Typ.
Max.
tWH (SCLK)
tWL (SCLK)
td (SCLK-TXD)
tv (SCLK-TXD)
tr (SCLK)
Serial I/O clock output “H” pulse width
Serial I/O clock output “L” pulse width
Serial I/O output delay time (Note 1)
Serial I/O output valid time (Note 1)
Serial I/O clock output rising time
Serial I/O clock output falling time
CMOS output rising time (Note 2)
CMOS output falling time (Note 2)
tC(SCLK)/2–30
tC(SCLK)/2–30
ns
ns
ns
ns
ns
ns
ns
ns
140
–30
30
30
30
30
tf (SCLK)
tr (CMOS)
tf (CMOS)
10
10
Notes 1: For tWH(SCLK), tWL(SCLK), when the P51/TXD P-channel output disable bit of the UART control register (bit 4 of address 001B16) is “0”.
2: The XOUT pin is excluded.
Table 15 Switching characteristics 2
(VCC = 2.7 to 4.0 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Limits
Symbol
Parameter
Unit
Min.
Typ.
Max.
350
tWH (SCLK)
tWL (SCLK)
td (SCLK-TXD)
tv (SCLK-TXD)
tr (SCLK)
Serial I/O clock output “H” pulse width
Serial I/O clock output “L” pulse width
Serial I/O output delay time (Note 1)
Serial I/O output valid time (Note 1)
Serial I/O clock output rising time
Serial I/O clock output falling time
CMOS output rising time (Note 2)
CMOS output falling time (Note 2)
(SCLK)/2–50
tC(SCLK)/2–50
ns
ns
ns
ns
ns
ns
ns
ns
–30
50
50
50
50
tf (SCLK)
tr (CMOS)
tf (CMOS)
20
20
Notes 1: For tWH(SCLK), tWL(SCLK), when the P51/TXD P-chanble bit of the UART control register (bit 4 of address 001B16) is “0”.
2: The XOUT pin is excluded.
38
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
1kΩ
Measurement output pin
Measurement output pin
100pF
100pF
CMOS output
N-channel open-drain output
Fig. 38 Circuit for measuring output switching characteris-
tics (1)
Fig. 39 Circuit ing output switching characteris-
tics
39
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
tC(CNTR)
tWL(CNTR)
0.2VCC
tWH(CNTR)
0.8VCC
CNTR0, CNTR1
tWL(INT)
0.2VCC
tWH(INT)
0.8VCC
INT0 to INT3
RESET
tW(RESET)
8VCC
0.2VCC
tC(
tWL(XIN)
0.2VCC
tWH(XIN)
0.8VCC
XIN
tC(SCLK)
tr
tf
SCLK)
tWH(SCLK)
0.8VCC
SCLK
tsu(RxD-SCLK)
th(SCLK-RxD)
0.8VCC
0.2VCC
RXD
TXD
tv(SCLK-TXD)
td(SCLK-TXD)
Fig. 40 Timing diagram
40
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MASK ROM CONFIRMATION FORM
GZZ-SH53-11B<86A0>
Mask ROM number
Date:
740 FAMILY MASK ROM CONFIRMATION FORM
SINGLE-CHIP MICROCOMPUTER M38503M2-XXXSP/FP
MITSUBISHI ELECTRIC
Section head Supervisor
signature signature
Note : Please fill in all items marked ❈.
Submitted by Supervisor
TEL
(
Company
name
)
❈ Customer
Date
issued
Date:
❈ 1. Confirmation
Specify the name of the product being ordered and the type of EPRtted.
Three EPROMs are required for each pattern.
If at least two of the three sets of EPROMs submitted contain ta, we will produce masks based on this data.
We shall assume the responsibility for errors only if the mata on the products we produce differs from this
data. Thus, extreme care must be taken to verify the datmitted EPROMs.
Microcomputer name:
M38503M2-XXXSP
M38503M2-XXXFP
Checksum coe EPROM
(hexadecimal notation)
EPROM type (indicate the type used)
512
27256
In the address space of the microcomputer, the internal
ROM area is from address 608016 to FFFD16. The reset
vector is stored in addresses FFFC16 and FFFD16.
EPROM address
000016
Eess
Product name
ASCII code :
‘M38503M2-’
Product name
ASCII code :
‘M38503M2-’
000F16
001016
F16
01016
607F16
608016
E07F16
E08016
data
data
ROM (8K-130) bytes
ROM (8K-130) bytes
7FFD16
7FFE16
7FFF16
FFFD16
FFFE16
FFFF16
Address
000016
000116
000216
000316
000416
000516
000616
000716
Address
000816
000916
000A16
000B16
000C16
000D16
000E16
000F16
(1) Set the data in the unused area (the shaded area of
the diagram) to “FF16”.
‘M’ = 4D16
‘3’ = 3316
‘8’ = 3816
‘5’ = 3516
‘0’ = 3016
‘3’ = 3316
‘M’ = 4D16
‘2’ = 3216
‘–’ = 2D16
FF16
(2) The ASCII codes of the product name “M38503M2–”
must be entered in addresses 000016 to 000816. And
set the data “FF16” in addresses 000916 to 000F16.
The ASCII codes and addresses are listed to the right
in hexadecimal notation.
FF16
FF16
FF16
FF16
FF16
FF16
(1/2)
41
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Mask ROM number
GZZ-SH53-11B<86A0>
740 FAMILY MASK ROM CONFIRMATION FORM
SINGLE-CHIP MICROCOMPUTER M38503M2-XXXSP/FP
MITSUBISHI ELECTRIC
We recommend the use of the following pseudo-command to set the start address of the assembler source program be-
cause ASCII codes of the product name are written to addresses 000016 to 000816 of EPROM.
EPROM type
27256
27512
*= $0000
.BYTE ‘M38503M2–’
*= $8000
.BYTE ‘M38503M2–’
The pseudo-command
Note : If the name of the product written to the EPROMs does not match the name of thsk confirmation form, the ROM
will not be processed.
❈ 2. Mark specification
Mark specification must be submitted using the correct form for the eing ordered. Fill out the appropriate
mark specification form (42P4B for M38503M2-XXXSP, 42P2R-03M2-XXXFP) and attach it to the mask
ROM confirmation form.
❈ 3. Usage conditions
Please answer the following questions about usage for product inspection :
(1) How will you use the XIN-XOUT oscillator?
Ceramic resonator
External clock input
Ql
)
At what frequency?
(2) Which function will you use the pins nd P20/XCOUT as P21 and P20, or XCIN and XCOUT ?
Ports P21 and P20 fXCIN and XCOUT function (external resonator)
MHz
❈4. Comments
(2/2)
42
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MASK ROM CONFIRMATION FORM
GZZ-SH11-40A<6YA0>
Mask ROM number
740 FAMILY MASK ROM CONFIRMATION FORM
Date:
Section head Supervisor
SINGLE-CHIP MICROCOMPUTER M38503M4-XXXSP/FP
MITSUBISHI ELECTRIC
signature
signature
Note : Please fill in all items marked ❈.
Submitted by Supervisor
TEL
(
Company
name
)
❈ Customer
Date
issued
Date:
❈ 1. Confirmation
Specify the name of the product being ordered and the type of ubmitted.
Three EPROMs are required for each pattern.
If at least two of the three sets of EPROMs submitted contal data, we will produce masks based on this data.
We shall assume the responsibility for errors only if thM data on the products we produce differs from this
data. Thus, extreme care must be taken to verify the submitted EPROMs.
Microcomputer name:
M38503M4-XX
M38503M4-XXXFP
Checksum ntire EPROM
(hexadecimal notation)
EPROM type (indicate the type us
27256
27512
In the address space of the microcomputer, the internal
ROM area is from address C08016 to FFFD16. The reset
vector is stored in addresses FFFC16 and FFFD16.
address
EPROM address
000016
016
Product name
ASCII code :
‘M38503M4-’
Product name
ASCII code :
‘M38503M4-’
000F16
001016
000F16
001016
407F16
408016
C07F16
C08016
data
data
ROM (16K-130) bytes
ROM (16K-130) bytes
7FFD16
7FFE16
7FFF16
FFFD16
FFFE16
FFFF16
Address
000016
000116
000216
000316
000416
000516
000616
000716
Address
000816
000916
000A16
000B16
000C16
000D16
000E16
000F16
(1) Set the data in the unused area (the shaded area of
the diagram) to “FF16”.
‘M’ = 4D16
‘3’ = 3316
‘8’ = 3816
‘5’ = 3516
‘0’ = 3016
‘3’ = 3316
‘M’ = 4D16
‘4’ = 3416
‘–’ = 2D16
FF16
(2) The ASCII codes of the product name “M38503M4–”
must be entered in addresses 000016 to 000816. And
set the data “FF16” in addresses 000916 to 000F16.
The ASCII codes and addresses are listed to the right
in hexadecimal notation.
FF16
FF16
FF16
FF16
FF16
FF16
(1/2)
43
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Mask ROM number
GZZ-SH11-40A<6YA0>
740 FAMILY MASK ROM CONFIRMATION FORM
SINGLE-CHIP MICROCOMPUTER M38503M4-XXXSP/FP
MITSUBISHI ELECTRIC
We recommend the use of the following pseudo-command to set the start address of the assembler source program be-
cause ASCII codes of the product name are written to addresses 000016 to 000816 of EPROM.
27256
27512
EPROM type
*= $8000
.BYTE ‘M38503M4–’
*= $0000
.BYTE ‘M38503M4–’
The pseudo-command
Note : If the name of the product written to the EPROMs does not match the name of confirmation form, the ROM
will not be processed.
❈ 2. Mark specification
Mark specification must be submitted using the correct form for thbeing ordered. Fill out the appropriate
mark specification form (42P4B for M38503M4-XXXSP, 42P2R503M4-XXXFP) and attach it to the mask
ROM confirmation form.
❈ 3. Usage conditions
Please answer the following questions about usage for product inspection :
(1) How will you use the XIN-XOUT oscillator?
Ceramic resonator
External clock input
tal
)
At what frequency?
(2) Which function will you use the pinand P20/XCOUT as P21 and P20, or XCIN and XCOUT ?
Ports P21 and P20 XCIN and XCOUT function (external resonator)
MHz
❈ 4. Comments
(2/2)
44
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
ROM PROGRAMMING CONFIRMATION FORM
GZZ-SH11-41A<6YA0>
ROM number
740 FAMILY ROM PROGRAMMING CONFIRMATION FORM
SINGLE-CHIP MICROCOMPUTER M38503E4-XXXSP/FP
MITSUBISHI ELECTRIC
Date:
Section head Supervisor
signature
signature
Note : Please fill in all items marked ❈.
Submitted by Supervisor
TEL
(
Company
name
)
❈ Customer
Date
issued
Date:
❈ 1. Confirmation
Specify the name of the product being ordered and the type of ubmitted.
Three EPROMs are required for each pattern.
If at least two of the three sets of EPROMs submitted conal data, we will produce ROM programming based
on this data. We shall assume the responsibility for errhe programming data on the products we produce dif-
fers from this data. Thus, extreme care must be takthe data in the submitted EPROMs.
Microcomputer name:
M38503E4-XXXSP
M38503E4-XXXFP
Checksum tire EPROM
(hexadecimal notation)
EPROM type (indicate the type u
27256
27512
In the address space of the microcomputer, the internal
ROM area is from address C08016 to FFFD16. The reset
vector is stored in addresses FFFC16 and FFFD16.
EPROM address
M address
00016
000016
Product name
ASCII code :
‘M38503E4-’
Product name
ASCII code :
‘M38503E4-’
000F16
001016
000F16
001016
C07F16
C08016
407F16
408016
data
data
ROM (16K-130) bytes
ROM (16K-130) bytes
FFFD16
FFFE16
FFFF16
7FFD16
7FFE16
7FFF16
Address
000016
000116
000216
000316
000416
000516
000616
000716
Address
000816
000916
000A16
000B16
000C16
000D16
000E16
000F16
(1) Set the data in the unused area (the shaded area of
the diagram) to “FF16”.
‘M’ = 4D16
‘3’ = 3316
‘8’ = 3816
‘5’ = 3516
‘0’ = 3016
‘3’ = 3316
‘E’ = 4516
‘4’ = 3416
‘–’ = 2D16
FF16
(2) The ASCII codes of the product name “M38503E4–”
must be entered in addresses 000016 to 000816. And
set the data “FF16” in addresses 000916 to 000F16.
The ASCII codes and addresses are listed to the right
in hexadecimal notation.
FF16
FF16
FF16
FF16
FF16
FF16
(1/2)
45
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
ROM number
GZZ-SH11-41A<6YA0>
740 FAMILY ROM PROGRAMMING CONFIRMATION FORM
SINGLE-CHIP MICROCOMPUTER M38503E4-XXXSP/FP
MITSUBISHI ELECTRIC
We recommend the use of the following pseudo-command to set the start address of the assembler source program be-
cause ASCII codes of the product name are written to addresses 000016 to 000816 of EPROM.
27256
27512
EPROM type
*= $8000
.BYTE ‘M38503E4–’
*= $0000
.BYTE ‘M38503E4–’
The pseudo-command
Note : If the name of the product written to the EPROMs does not match the name of OM programming confirmation
form, the ROM will not be processed.
❈ 2. Mark specification
Mark specification must be submitted using the correct form for thbeing ordered. Fill out the appropriate
mark specification form; 42P2R-A for the M38503E4-XXXFP, the package Mark Specification Form (only for
built-in One Time PROM microcomputer) for the M38503E4-Xattach it to the ROM programming confirma-
tion form.
❈ 3. Usage conditions
Please answer the following questions about usan our product inspection :
(1) How will you use the XIN-XOUT oscillator?
Ceramic resonator
External clock input
crystal
er (
)
At what frequency?
(2) Which function will you use th/XCIN and P20/XCOUT as P21 and P20, or XCIN and XCOUT ?
Ports P21 and on XCIN and XCOUT function (external resonator)
IN) =
MHz
❈4. Comments
(2/2)
46
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MARK SPECIFICATION FORM
47
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
48
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
SHRINK DIP MARK SPECIFICATION FORM
for One Time PROM version microcomputers
Enter the catalog number of the microcomputer for which this mark specification is intended. (If you do not know the ROM code number,
enter XXX in its place.)
The catalog number of the microcomputer
M
A. Standard Mitsubishi Mark
Customer specified part number will be printed together with the ROM code number on the top line.
Enter the desired part number left aligned in the box below. (up to 10 characters)
Note2 :
RXXX
Mitsubishi catalog name
(blank model number before writing)
Mitsubishi lot number
(6-digit or 7-digit)
Note1 : The following characters can be used in the part numb
Uppercase alphabet, numbers, ampersand, hyphenma, +, /, (, ),
x
( will be printed at 1.5 character width)
2 : XXX is the ROM code number.
B. Special Mark Required
If you desire anything other than the standhi mark, it will be treated as a special mark.
Special marks will take longer to produd be avoided if possible.
If a special mark is to be printed, insired layout of the mark in the figure below. The layout will be duplicated as closely as
possible.
Note1 : If the customer’s trademark logo must be used in the Special Mark, please submit a clean original logo.
Note that special marks require extra cost and time to produce.
49
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PACKAGE OUTLINE
42P2R-A
Plastic 42pin 450mil SSOP
EIAJ Package Code
SSOP42-P-450-0.80
JEDEC Code
–
Weight(g)
0.63
Lead Material
Alloy 42/Cu Alloy
e
b2
42
22
Recommended Mount Pad
F
Dimension in Millimeters
Min
–
0.05
–
0.35
0.13
17.3
8.2
–
11.63
0.3
–
Nom
–
–
Max
2.4
–
1
21
A
2
2.0
0.4
0.15
17.5
8.4
0.8
11.93
0.5
1.765
–
–
b
0.5
0.2
17.7
8.6
–
12.23
0.7
–
c
D
E
e
D
A
HE
L
e
y
b
L1
y
–
0°
–
0.15
10°
–
–
c
b
e
2
1
0.5
11.43
–
–
–
Detail F
I
2
1.27
–
42P4B
Plastic 42pin 600mil SDIP
EIAJ Package Code
SDIP42-P-600-1.78
JEDEC Code
–
Lead Material
Alloy 42/Cu Alloy
42
22
1
21
Dimension in Millimeters
Symbol
A
Min
–
0.51
–
Nom
–
–
Max
5.5
–
D
A
1
A2
3.8
–
b
0.35
0.9
0.63
0.22
36.5
12.85
–
–
3.0
0°
0.45
1.0
0.55
1.3
1.03
0.34
36.9
13.15
–
–
–
15°
b1
b2
0.73
0.27
36.7
13.0
1.778
15.24
–
c
D
E
e
e
b1
b
b2
e1
L
SEATING PLANE
–
50
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
42S1B-A
Metal seal 42pin 600mil DIP
EIAJ Package Code
WDIP42-C-600-1.78
JEDEC Code
–
Weight(g)
D
42
22
1
21
Dimension in Millimeters
Min
–
1.0
–
0.38
0.7
0.17
–
–
–
–
3.05
–
Nom
–
–
Max
5.0
–
3.44
0.54
0.9
0.33
41.1
15.8
–
A
A
1
A2
–
b
0.46
0.8
0.25
–
b
1
c
D
E
e
e
Z
b
b1
–
1.778
15.24
–
e1
–
–
3.05
ANE
L
Z
–
Keep safety first in your circuit designs!
●
Mitsubishi Electric Corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with
semiconductors may lead to personal injury, fire or property damage. Remember to give due consideration to safety when making your circuit designs, with appropriate measures such as (i) placement of
substitutive, auxiliary circuits, (ii) use of non-flammable material or (iii) prevention against any malfunction or mishap.
Notes regarding these materials
●
●
●
These materials are intended as a reference to assist our customers in the selection of the Mitsubishi semiconductor product best suited to the customer’s application; they do not convey any license under any
intellectual property rights, or any other rights, belonging to Mitsubishi Electric Corporation or a third party.
Mitsubishi Electric Corporation assumes no responsibility for any damage, or infringement of any third-party’s rights, originating in the use of any product data, diagrams, charts or circuit application examples
contained in these materials.
All information contained in these materials, including product data, diagrams and charts, represent information on products at the time of publication of these materials, and are subject to change by Mitsubishi
Electric Corporation without notice due to product improvements or other reasons. It is therefore recommended that customers contact Mitsubishi Electric Corporation or an authorized Mitsubishi Semiconductor
product distributor for the latest product information before purchasing a product listed herein.
●
Mitsubishi Electric Corporation semiconductors are not designed or manufactured for use in a device or system that is used under circumstances in which human life is potentially at stake. Please contact
Mitsubishi Electric Corporation or an authorized Mitsubishi Semiconductor product distributor when considering the use of a product contained herein for any specific purposes, such as apparatus or systems for
transportation, vehicular, medical, aerospace, nuclear, or undersea repeater use.
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The prior written approval of Mitsubishi Electric Corporation is necessary to reprint or reproduce in whole or in part these materials.
If these products or technologies are subject to the Japanese export control restrictions, they must be exported under a license from the Japanese government and cannot be imported into a country other than the
approved destination.
Any diversion or reexport contrary to the export control laws and regulations of Japan and/or the country of destination is prohibited.
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Please contact Mitsubishi Electric Corporation or an authorized Mitsubishi Semiconductor product distributor for further details on these materials or the products contained therein.
© 1998 MITSUBISHI ELECTRIC CORP.
New publication, effective Aug. 1998.
Specifications subject to change without notice.
REVISION DESCRIPTION LIST
3850 GROUP DATA SHEET
Rev.
Rev.
date
Revision Description
No.
1.0 First Edition
980817
(1/1)
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