MSC7128-XXGS-BK [OKI]
Dot Matrix LCD Driver, 16 X 36 Dots, CMOS, PQFP64, 14 X 20 MM, 1 MM PITCH, PLASTIC, QFP-64;
| 型号： | MSC7128-XXGS-BK |
| 厂家： | 
OKI ELECTRONIC COMPONETS |
| 描述： | Dot Matrix LCD Driver, 16 X 36 Dots, CMOS, PQFP64, 14 X 20 MM, 1 MM PITCH, PLASTIC, QFP-64 CD |
| 文件： | 总27页 (文件大小：200K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
E2C0029-27-Y4
This version: Nov. 1997
Previous version: Jul. 1996
¡ Semiconductor
MSC7128-xx
5 ¥ 7-Dot Character ¥ 16-Digit Display Controller/Driver
GENERAL DESCRIPTION
The MSC7128-xx is a general purpose display controller for vacuum fluorescent display tube.
The MSC7128-xx drives displays with up to 35 anodes (dots) and up to 16 grids (characters) plus
a cursor.
The controller accepts command and display data input words on a clocked serial input line.
Commands control the on/off duty cycle, starting character position, number of characters to
display and display modes (PLA mode and Lamp Test mode). An internal PLA-type character
generator provides character decoding and dot pattern generation for the full 128 characters.
A 35 ¥ 128-bit PLA (ROM) code is programmable.
FEATURES
• Logic supply voltage (V
)
:+5V
:–55V
DD
• VF driver supply voltage (V
• Driver output current
– VF grid driver
)
EE
:–30mA
:–2mA
– VF anode driver
– VF cursor driver
:–10mA
• Direct drive capability for vacuum fluorescent display (no pull-down resistor is required)
• Built-in oscillation circuit
• Built-in power-on-reset circuit with external C
• Serial host interface (data in, clock, chip select)
• Serial data input for 8-bit control and display data words
• Command functions
– On/off duty cycle
: 0/16 to 15/16
: 0 to 15
:1 to 16
– Character display position
– Number of display digits
– Display modes
: PLA mode, and Lamp Test mode
• Built-in 35 x 128-bit PLA-type character generator
– Character font
– Number of characters
– Programmable PLA code
:5 ¥ 7
:128
• Package options:
64-pin plastic SDIP (SDIP64-P-750-1.78) (Product name : MSM7128-xxSS)
64-pin plastic QFP (QFP64-P-1420-1.00-BK) (Product name : MSM7128-xxGS-BK)
xx indicates the code number.
1/27
SEG
DRIVER
RAM
LATCH
PLA
LATCH
VDD
DA
8-BIT
DISPLAY
DATA
SEG1
SEG2
SHIFT REGISTER
CHARACTER
GENERATOR
35 ¥ 128 BITS
BUFFER
8
8
8
7
35
36
CS
CS
8BITS ¥
16 WORDS
b0-7
SEG34
SEG35
SEG36
L R
L R S
OE
ROM ROM
PC1 PC2
CP
CP
COMMAND
LT
RESET
fSEG
DECODER
fW RAMPC fR
DECODER
3
5
4
RESET
R L
b4-6
COM
DRIVER
RESET
RESET
ADDRESS
SELECTOR
W/R
COM1
COM2
LATCH
4
4
4
4
16
CONTROL
TIMING
GENERATOR
OSCI
OSCO
OSC
4
CP
b0-3
WRITE
READ
ADDRESS
COUNTER
RESET
ADDRESS
COUNTER
COM14
COM15
COM16
W.A.C. LOAD
W.A.C. COUNT
CS
RESET
RESET
TEST
STEP
fDIG
OE
W.A.C. COUNT
RESET
4
TEST
b0-3
4
COUNT
A = B
4
b0-3
DIGIT
D.G
DUTYCYCLE REGISTER
COUNT
A
B
LOAD
R
D.G
LOAD
REGISTER
ADDRESS
COMP
4
RESET
b0-3
VEE
VSS
RESET
BLANK
DUTYCYCLE
COUNTER
DUTY AND
BLANK
DUTY AND BLANK
GENERATOR
RESET
¡ Semiconductor
MSC7128-xx
INPUT AND OUTPUT CONFIGURATION
• INPUT PIN
VDD
DA
CS
CP
OSCI
VDD
VDD
R
TEST COUNT
TEST STEP
RESET
GND
• OUTPUT PIN
VDD
OSCO
VDD
SEG1 - 35
VEE
VDD
SEG36
COM1-16
VEE
3/27
¡ Semiconductor
MSC7128-xx
PIN CONFIGURATION (TOP VIEW)
1
2
3
4
5
6
7
8
64 CS
OSC0
OSCI
TEST COUNT
TEST STEP
VSS
63
62
61
60
59
58
57
DA
CP
RESET
VDD
1
VEE
VDD 2
COM 1
COM 2
COM 3
SEG 1
SEG 2
9
56 SEG 3
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
COM 4
COM 5
COM 6
COM 7
COM 8
COM 9
COM10
COM11
COM12
COM13
COM14
COM15
COM16
SEG 36
SEG 35
SEG 34
SEG 33
SEG 32
SEG 31
SEG 30
SEG 29
SEG 28
SEG 27
SEG 4
SEG 5
SEG 6
SEG 7
SEG 8
SEG 9
SEG 10
SEG 11
SEG 12
SEG 13
SEG 14
SEG 15
SEG 16
SEG 17
SEG 18
SEG 19
SEG 20
SEG 21
SEG 22
SEG 23
SEG 24
SEG 25
SEG 26
64-Pin Plastic Shrink DIP
4/27
¡ Semiconductor
MSC7128-xx
PIN CONFIGURATION (TOP VIEW)
1
2
51
50
COM 2
COM 3
COM 4
COM 5
COM 6
COM 7
COM 8
COM 9
COM 10
COM 11
COM 12
COM 13
COM 14
COM 15
COM 16
SEG 36
SEG 35
SEG 34
SEG 33
SEG 1
SEG 2
3
49 SEG 3
48 SEG 4
47 SEG 5
46 SEG 6
45 SEG 7
44 SEG 8
43 SEG 9
42 SEG 10
41 SEG 11
40 SEG 12
39 SEG 13
38 SEG 14
37 SEG 15
36 SEG 16
35 SEG 17
34 SEG 18
33 SEG 19
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
64-Pin Plastic QFP
5/27
¡ Semiconductor
MSC7128-xx
PIN DESCRIPTION
Symbol
VDD1
VDD2
VSS
Type
—
—
—
—
I
Connected to
Description
VDD1 – VSS: Internal logic supply voltage
Power source
V
DD2 – VEE: VF tube driving circuit supply voltage
VEE
DA
Microcomputer
Microcomputer
Serial data input from LSB (positive logic)
Shift clock input. Data is shifted at the leading edge of
CP
CS
I
I
the CP.
Chip select input. When the PIN is High, the serial data
transfer is inhibited.
Microcomputer
—
OSCI
I
RC oscillation, external RC pin. fOSC = 250kHz at
C = 100pF and R = 47kW.
OSCO
O
Reset input (pull-up resistor built in). When the pin is
Low, the internal logic is reset, and the outputs of SEG1
to SEG36 and COM1 to COM16 are Low.
—
RESET
I
VF tube grid electrode driving outputs. This pin can be
COM1
O
VF tube grid electrode connected directly to the VF tube. No pull-down resistor
is required. IOH > –30mA
COM16
SEG1
VF tube 5 ¥ 7 -dot anode electrode driving outputs.
VF tube anode electrode This pin can be connected directly to the VF tube. No
pull-down resistor is required. IOH > –2mA
O
SEG35
SEG36
VF tube cursor anode electrode driving output.
This pin can be connected directly to the VF tube. No
pull-down resistor is required. IOH > –10mA
VF tube anode electrode
O
TEST STEP
I
I
—
—
Test mode setting input (normally open)
Test clock input (normally open)
TEST COUNT
6/27
¡ Semiconductor
MSC7128-xx
ABSOLUTE MAXIMUM RATINGS
Parameter
Power Supply Voltage (1)
Power Supply Voltage (2)
Input Voltage
Symbol
VDD–VSS
VDD–VEE
VIN–VSS
PD
Condition
Rating
Unit
—
—
–0.3 to +6.5
0 to 65
V
V
—
–0.3 to VDD + 0.3
Up to 1.0
–55 to +150
–40
V
Power Dissipation
Ta £ 25°C
—
W
Storage Temperature
TSTG
°C
mA
mA
mA
IO1
COM1 to COM16
SEG1 to SEG35
SEG36
Output Current
IO2
–4
IO3
–15
RECOMMENDED OPERATING CONDITIONS
Parameter
Power Supply Voltage (1)
Power Supply Voltage (2)
High Level Input Voltage
Low Level Input Voltage
CP Frequency
Symbol
VDD–VSS
VDD–VEE
VIH–VSS
VIL–VSS
fCP
Condition
Min.
4.5
Typ.
—
Max. Unit
—
5.5
60
V
V
—
10
—
—
0.7VDD
—
—
—
V
—
—
0.3VDD
500
270
+75
V
—
100pF, 47kW
—
—
—
kHz
kHz
°C
OSC Frequency
fOSC
170
–20
220
—
Operating Temperature
Top
7/27
¡ Semiconductor
MSC7128-xx
ELECTRICAL CHARACTERISTICS
DC Characteristics
(VDD–Vss = 5V 10ꢀ, VDD–VEE = 60V, Ta = –20 to +75°C)
Parameter
High Level Input Voltage
Low Level Input Voltage
Symbol
VIH
Condition
Min.
0.7VDD
—
Max. Unit
—
—
—
V
V
VIL
0.3VDD
DA, CP, CS
VDD = 5.5V
IN = 5V
IIH1
IIH2
–5
5
1
mA
RESET
V
High Level Input Current
TEST STEP
TEST COUNT
VDD = 5.5V
0.25
mA
VIN = 5V
DA, CP, CS
TEST STEP
TEST COUNT
IIL1
V
V
DD = 5.5V
IH = 0.5V
–5
5
mA
mA
Low Level Input Current
RESET
VDD = 5.5V
IH = 0.5V
IIL2
–25
–100
V
VOH1
VOH2
VOH3
VOH4
VOL1
VOL2
VOL3
VOL4
VDD–0.6
VDD–4
VDD–3
VDD–4
—
—
—
V
V
V
V
V
V
V
V
OSCO
IOH = –500mA
OH = –30mA
IOH = –2mA
OH = –10mA
IOL = 500mA
OL = 100mA
IOL = 100mA
OL = 100mA
COM1~16
SEG1~35
SEG36
I
High Level Output Voltage
Low Level Output Voltage
—
I
—
VSS+0.6
VEE+3
VEE+3
VEE+3
OSCO
COM1~16
SEG1~35
SEG36
I
—
—
I
—
All SEGs on, 16-digit display, duty
cycle 15/16, no load
ISS1
ISS2
IEE1
IEE2
—
—
—
—
15
1.5
1.0
15
mA
mA
mA
mA
All SEGs Low, all COMs High
Current Consumption
All SEGs on, 16-digit display, duty
cycle 15/16, no load
All SEGs Low, all COMs High
8/27
¡ Semiconductor
MSC7128-xx
AC Characteristics
(VDD–VSS = 5V 10ꢀ, Ta = –20 to +75°C)
Parameter
CP Cycle Time
Symbol
tCP
Condition
Min.
2
Max. Unit
—
—
—
ms
ms
ms
ms
ms
s
CP Pulse Width
Data Set-up Time
Data Hold Time
CS Set-up Time
CS Hold Time
tWCP
tDS
—
1
—
0.5
0.5
1
—
tDH
—
—
tCSS
tCSH
fOSC
—
—
—
32T*
170
—
OSC Frequency
R = 47kW, C = 100pF
270
kHz
*T = 1/f
OSC
TIMING DIAGRAM
Data Timing
0.3
tCP
tWCP
tCSH
0.3
0.7
0.3
0.3
tCSS
0.3
tDS tDH
0.7
VALID
0.3
VALID
VALID
9/27
¡ Semiconductor
MSC7128-xx
Data LSB/MSB Timing
END OF
NEXT
DATA WORD
DATA WORD
CP
MSB
LSB
tDOFF
DATA INPUT OFF TIME tDOFF = 32Tmin (T=1/fOSC
)
Digit Timing (16-Digit Display)
t1 = Frame count
t2 = Display timing
t3 = Blank timing
When fOSC = 245kHz
t1 = 4.096ms
t2 = 240ms
t3 = 16ms
T = 1/fOSC
10/27
¡ Semiconductor
MSC7128-xx
Reset Timing
VDD
tRESET ON
tRESET OFF
RESET
DATA VALID
DA
OPTION 1
When a capacitor is connected between the RESET pin and V ,
SS
RESET ON TIME t
RESET OFF TIME t
(External capacitor
ON : 250ms typ.
OFF : 50ms min.
: 1mF)
RESET
RESET
OPTION 2
When a RESET signal is externally input,
RESET ON TIME t
RESET OFF TIME t
ON : 50ms min.
OFF : 50ms min.
RESET
RESET
11/27
¡ Semiconductor
MSC7128-xx
FUNCTIONAL DESCRIPTION
Data Transfer Method and Command Write Method
A display control command or data is written by the 8-bit serial transfer method. The figure
below shows the write timing. When the CS pin is Low, data can be transferred. Data of 8 bits
in length is input to the DA pin sequentially starting with the LSB. (LSB first)
Data is shifted at the rising edge of a shift clock pulse which is input to the CP pin as shown in
the figure below. When 8-bit data is entered, an inner LOAD signal is automatically generated,
and data is written into the registers and RAM. Therefore, there is no need to input an external
LOAD signal.
If the CS pin is changed from Low to High, the serial transfer is inhibited, and data, which is
entered after the CS pin is changed from High to Low, is recognized in units of 8 bits.
The first 8 bits become the first byte, and the second 8 bits become the second byte and the next
8 bits become either the first byte or the second byte depending on the selected command.
CS
CP
tDOFF*1
tCSH*2
b0 b1 b2 b3 b4 b5 b6 b7
b0 b1 b2 b3 b4 b5 b6 b7
Second Byte MSB
DA
LSB First Byte MSB LSB
*1 t
*2 t
: Refer to Data LSB/MSB Timing.
: Refer to AC Characteristics and Data Timing.
DOFF
CSH
Command Type
First Byte
Second Byte
No.
Command
b7 b6 b5 b4 b3 b2 b1 b0 b7 b6 b5 b4 b3 b2 b1 b0
0
1
2
3
4
Address Set
1
1
1
1
1
0
0
0
0
1
0
0
1
1
0
0
1
0
1
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X3 X2 X1 X0
Character Code Set
Display Duty Set
CU CH6 CH5 CH4 CH3 CH2 CH1 CH0
X
X
X
X
X
X
X
X
X
X
X
X
DC3 DC2 DC1 DC0
DG3 DG2 DG1 DG0
Number of Display Digits Set
Lamp Test
X
X
X
LT
*1 When character codes are to be continuously transferred, addresses are automatically
incremented (internally). Accordingly, neither the Address Set command nor the first byte
oftheCharacterCodeSetcommandarerequiredtosetthesecondandthefollowingcharacter
codes.
*2 X : Don’t care
12/27
¡ Semiconductor
MSC7128-xx
Command Description
• Address set command
When the code of a display character is to be set, this command is used to specify the display
location (digit number) of the character.
The relation between the digit number X and common outputs COM1 to COM16 is as follows:
X
0
COM Input
COM1
1
COM2
15
COM16
Command format
LSB
X
1
0
0
0
X
X
X
1st byte
2nd byte
LSB
X0
X
X
X
X
X3
X2
X1
Digit number ¥ (0 to 15)
• Character code set command
This command is used to specify the character to be displayed in the digit place specified by the
Address Set command. Bits 0 to 6 of the second byte are used to specify the character code, and
bit 7 is used to specify "Yes" or "No" of cursor display.
Command format
LSB
1
0
0
1
X
X
X
X
1st byte
2nd byte
CU
CH6
CH5
CH4
CH3
CH2
CH1
CH0
7-bit character code
Select one of 128 codes
0: Without cursor (SEG36 OFF)
1: With cursorout (SEG36 ON)
13/27
¡ Semiconductor
MSC7128-xx
Anautomaticaddressincrementfunctionisbuiltin. Towritemultidigitdisplaycharactercodes,
issue the Address Set command. To transfer the second and later digit display character codes,
the first byte (operation code) of the Character Code command is not required. Input the second
byte.
Whenthiscommandisexecuted, 8-bitdataforthesecondbyteandlaterbytes, whichisprovided
before the CS pin is turned High, is all treated as display character data.
Transfer examples of the Address Set command and the Character Set command
CS
1st 2nd 1st 2nd 2nd
2nd 2nd
DATA
Address Set command Character Set command
Example 1: The display for COM3 and the following is changed.
LSB
1
X
1
0
X
0
0
X
0
0
X
1
X
0
X
X
0
X
X
1
X
X
Specify the digit
number X=2
(COM3)
LSB
0
LSB
X
Write the first
character code
LSB
CU CH6 CH5 CH4 CH3 CH2 CH1 CH0
CU CH6 CH5 CH4 CH3 CH2 CH1 CH0
CU CH6 CH5 CH4 CH3 CH2 CH1 CH0
Write the character
code to be displayed
ON COM4
Write the character
code to be displayed
ON COM5
X=15 (COM16) is followed by X= 0 (COM1)
14/27
¡ Semiconductor
MSC7128-xx
Number of Display Digits Set Command
This command is used to set the digit count register and the number of display digits. The
number of digits to be set ranges from 1 to 16.
Command format
LSB
1st byte
2nd byte
1
0
1
1
X
X
X
X
LSB
DG0
X
X
X
X
DG3
DG2
DG1
Number of digits DG (0 to 15)
The relation between the value of DG to be set and COM under display control is as follows:
DG
0
COM Displayed
COM1 - COM16
COM1
DG
8
COM Displayed
COM1 - COM8
COM1 - COM9
COM1 - COM10
COM1 - COM11
COM1 - COM12
COM1 - COM13
COM1 - COM14
COM1 - COM15
1
9
2
COM1 - COM2
COM1 - COM3
COM1 - COM4
COM1 - COM5
COM1 - COM6
COM1 - COM7
10
11
12
13
14
15
3
4
5
6
7
15/27
¡ Semiconductor
MSC7128-xx
Display Duty Set Command
AssumingtheoriginaloscillationcycleasT,thetimeallocatedto1-digitdisplayis64T. Theactual
display time may be specified as 0 to 60T in increments of 4T. Assuming the number of display
digits as n and the parameter provided by the Display Duty Set command as DC, the resultant
display duty cycle ratio is as follows:
(DC)
16n
4 (DC)
64n
=
Command format
LSB
X
1
0
1
0
X
X
X
1st byte
2nd byte
LSB
DG0
X
X
X
X
DG3
DG2
DG1
DC value (0 to 15)
Lamp Test Command
This command is used to set the All-Segment Display mode. If this occurs, the 36 segments for
each digit to be displayed are put into the ON state. The number of display digits and the display
duty cycle depend on the contents of the digit count register and of the duty register.
The contents of the internal RAM are not affected by this command. When the command is
released, the original display appears once again.
Command format
LSB
1st byte
2nd byte
1
1
0
0
X
X
X
X
X
X
X
LSB
LT
X
X
X
X
0: Normal mode
1: Lamp test mode
16/27
¡ Semiconductor
MSC7128-xx
Power On Reset Operation
Operations when the RESET pin is Low are as follows:
a. All segment driver outputs are Low.
b. All grid driver outputs are Low.
c. The number of display digits is set to 16.
d. The display duty cycle is set to 0.
Test Step and Test Count
These pins are used for inspection before shipment, and should not be used by the user.
When this IC is mounted, leave them open or connect to V . If they are connected to other pins,
SS
a malfunction may be caused.
17/27
¡ Semiconductor
MSC7128-xx
Relation Between Segment Output and VF Tube Dots
1-1
2-1
3-1
4-1
5-1
SEG1
SEG2
SEG3
SEG4
SEG5
1-2
2-2
3-2
4-2
5-2
SEG6
SEG7
SEG8
SEG9
SEG10
1-3
2-3
3-3
4-3
5-3
SEG11
SEG12
SEG13
SEG14
SEG15
1-4
2-4
3-4
4-4
5-4
SEG16
SEG17
SEG18
SEG19
SEG20
1-5
2-5
3-5
4-5
5-5
SEG21
SEG22
SEG23
SEG24
SEG25
1-6
2-6
3-6
4-6
5-6
SEG26
SEG27
SEG28
SEG29
SEG30
1-7
2-7
3-7
4-7
5-7
SEG31
SEG32
SEG33
SEG34
SEG35
Cursor
SEG36
18/27
¡ Semiconductor
MSC7128-xx
Data Setup Flow
Power on
Address set
Character set
Display digit set
Display duty set
CS
1st 2nd 1st 2nd 2nd 2nd 2nd
1st 2nd 1st 2nd
DA
CP
address set
Number of Display
character set
display
duty set
digits set
1st :
the first byte
2nd : the second byte
Note: To avoid display malfunction due to external noise, re-set occasionally the number of
display digits set and display duty set.
19/27
¡ Semiconductor
MSC7128-xx
MSC7128-01 ROM CODE
ADDRESS 0(00H)
ADDRESS 5(05H)
ADDRESS 10(0AH)
ADDRESS 15(0FH)
ADDRESS 20(14H)
ADDRESS 25(19H)
ADDRESS 1(01H)
ADDRESS 2(02H)
ADDRESS 7(07H)
ADDRESS 12(0CH)
ADDRESS 17(11H)
ADDRESS 22(16H)
ADDRESS 27(1BH)
ADDRESS 3(03H)
ADDRESS 8(08H)
ADDRESS 13(0DH)
ADDRESS 18(12H)
ADDRESS 23(17H)
ADDRESS 28(1CH)
ADDRESS 4(04H)
ADDRESS 6(06H)
ADDRESS 11(0BH)
ADDRESS 16(10H)
ADDRESS 21(15H)
ADDRESS 26(1AH)
ADDRESS 9(09H)
ADDRESS 14(0EH)
ADDRESS 19(13H)
ADDRESS 24(18H)
ADDRESS 29(1DH)
20/27
¡ Semiconductor
MSC7128-xx
ADDRESS 30(1EH)
ADDRESS 35(23H)
ADDRESS 40(28H)
ADDRESS 45(2DH)
ADDRESS 50(32H)
ADDRESS 31(EFH)
ADDRESS 32(20H)
ADDRESS 37(25H)
ADDRESS 42(2AH)
ADDRESS 47(2FH)
ADDRESS 52(34H)
ADDRESS 33(21H)
ADDRESS 38(26H)
ADDRESS 43(2BH)
ADDRESS 48(30H)
ADDRESS 53(35H)
ADDRESS 34(22H)
ADDRESS 36(24H)
ADDRESS 41(29H)
ADDRESS 46(2EH)
ADDRESS 51(33H)
ADDRESS 39(27H)
ADDRESS 44(2CH)
ADDRESS 49(31H)
ADDRESS 54(36H)
21/27
¡ Semiconductor
MSC7128-xx
ADDRESS 55(37H)
ADDRESS 60(3CH)
ADDRESS 65(41H)
ADDRESS 70(46H)
ADDRESS 75(4BH)
ADDRESS 56(38H)
ADDRESS 57(39H)
ADDRESS 62(3EH)
ADDRESS 67(43H)
ADDRESS 72(48H)
ADDRESS 77(4DH)
ADDRESS 58(3AH)
ADDRESS 63(3FH)
ADDRESS 68(44H)
ADDRESS 73(49H)
ADDRESS 78(4EH)
ADDRESS 59(3BH)
ADDRESS 61(3DH)
ADDRESS 66(42H)
ADDRESS 71(47H)
ADDRESS 76(4CH)
ADDRESS 64(40H)
ADDRESS 69(45H)
ADDRESS 74(4AH)
ADDRESS 79(4FH)
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¡ Semiconductor
MSC7128-xx
ADDRESS 80(50H)
ADDRESS 85(55H)
ADDRESS 90(5AH)
ADDRESS 95(5FH)
ADDRESS 81(51H)
ADDRESS 82(52H)
ADDRESS 87(57H)
ADDRESS 92(5CH)
ADDRESS 97(61H)
ADDRESS 83(53H)
ADDRESS 88(58H)
ADDRESS 93(5DH)
ADDRESS 98(62H)
ADDRESS 84(54H)
ADDRESS 86(56H)
ADDRESS 91(5BH)
ADDRESS 96(60H)
ADDRESS 89(59H)
ADDRESS 94(5EH)
ADDRESS 99(63H)
ADDRESS 100(64H) ADDRESS 101(65H) ADDRESS 102(66H) ADDRESS 103(67H) ADDRESS 104(68H)
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¡ Semiconductor
MSC7128-xx
ADDRESS 105(69H) ADDRESS 106(6AH) ADDRESS 107(6BH) ADDRESS 108(6CH) ADDRESS 109(6DH)
ADDRESS 110(6EH) ADDRESS 111(6FH) ADDRESS 112(70H) ADDRESS 113(71H) ADDRESS 114(72H)
ADDRESS 115(73H) ADDRESS 116(74H) ADDRESS 117(75H) ADDRESS 118(76H) ADDRESS 119(77H)
ADDRESS 120(78H) ADDRESS 121(79H) ADDRESS 122(7AH) ADDRESS 123(7BH) ADDRESS 124(7CH)
ADDRESS 125(7DH) ADDRESS 126(7EH) ADDRESS 127(7FH)
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¡ Semiconductor
MSC7128-xx
APPLICATION CIRCUIT
Heater Transformer
VF Display
GRID (DIGIT)
VDD
VDD
DA
SEG1 - 36
COM1 - 16
MCU
CP
CS
MSC7128-xx
+5V
TEST TEST
+
–
GND
VSS
RESET OSCI OSCO VEE
STEP COUNT
R
+
–
C
R1
+60V
+
–
ZD
25/27
¡ Semiconductor
PACKAGE DIMENSIONS
SDIP64-P-750-1.78
MSC7128-xx
(Unit : mm)
Package material
Lead frame material
Pin treatment
Solder plate thickness
Package weight (g)
Epoxy resin
Cu alloy
Solder plating
5 mm or more
8.70 TYP.
Notes for Mounting the Surface Mount Type Package
The SOP, QFP, TSOP, SOJ, QFJ (PLCC), SHP and BGA are surface mount type packages, which
are very susceptible to heat in reflow mounting and humidity absorbed in storage.
Therefore, before you perform reflow mounting, contact Oki’s responsible sales person for the
product name, package name, pin number, package code and desired mounting conditions
(reflow method, temperature and times).
26/27
¡ Semiconductor
MSC7128-xx
(Unit : mm)
QFP64-P-1420-1.00-BK
Mirror finish
Package material
Lead frame material
Pin treatment
Solder plate thickness
Package weight (g)
Epoxy resin
42 alloy
Solder plating
5 mm or more
1.25 TYP.
Notes for Mounting the Surface Mount Type Package
The SOP, QFP, TSOP, SOJ, QFJ (PLCC), SHP and BGA are surface mount type packages, which
are very susceptible to heat in reflow mounting and humidity absorbed in storage.
Therefore, before you perform reflow mounting, contact Oki’s responsible sales person for the
product name, package name, pin number, package code and desired mounting conditions
(reflow method, temperature and times).
27/27
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