RW1065 [ETC]
64x32 Dot Matrix LCD Controller / Driver; 64×32点阵LCD控制器/驱动器
| 型号： | RW1065 |
| 厂家： | 
ETC |
| 描述： | 64x32 Dot Matrix LCD Controller / Driver |
| 文件： | 总6页 (文件大小：259K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RW1065
64x32 Dot Matrix LCD Controller / Driver
ꢀ FEATURES
ꢁ
ꢁ
ꢁ
Direct display of RAM data through the display data RAM.
RAM capacity：64 x 64 = 4096 bits
Display duty selectable by software
1/64 duty：64common x 128segment (RW1065 x 2)
64common x 192segment (RW1065 x 3)
1/32 duty：32common x 128segment (RW1065 x 2)
32common x 192segment (RW1065 x 3)
ꢁ
ꢁ
High-speed 8-bit MPU interface (The chip can be connected directly to the 6800 series MPUs)
Abundant command functions
Display data Read/Write, display ON/OFF, Normal/Reverse display mode, page address set, display start
line set, column address set, status read, display all point ON/OFF, read/modify/write, segment driver
direction selects, power saver.
ꢁ
ꢁ
ꢁ
Low-power liquid crystal display power supply circuit equipped internally.
Bias set 1/5 1/6 1/8 1/9 by pin.
Booster circuit (with Boost ratios of 2X/3X/4X, where the step-up voltage reference power supply can be
input externally).
V0 voltage regulator resistors equipped externally, V1 to V4 voltage divider resistors equipped internally,
voltage follower.
ꢁ
ꢁ
CR oscillator circuit equipped internally (external clock can also be input)
Low power consumption.
Logic power supply VDD – VSS = 2.7V to 5.5 V
Boost reference voltage: VDD2 – VSS = 2.7V to 5.5V
Booster maximum voltage limited VOUT=17.0V
Liquid crystal drive power supply:
V0 – VSS = 4.0V to 15.0 V
ꢁ
ꢁ
ꢁ
ꢁ
Wide range of operating temperatures: –40 to 85°C
CMOS process.
Shipping forms include bare chip and COB.
Software compatible to KS0108.
ꢀ GENERAL DESCRIPTION
The RW1065 is a single-chip dot matrix LCD driver that can be connected directly to a microprocessor bus. 8-bit
parallel display data sent from the microprocessor is stored in the internal display data RAM and the chip
generates a LCD drive signal independent of the microprocessor. Because the chips in the RW1065 contain
64x64 bits of display data RAM and there is a 1-to-1 correspondence between the LCD panel pixels and the
internal RAM bits, these chips enable displays with a high degree of freedom.
The RW1065 chips contain 32 common output circuits and 64 segment output circuits, so that two RW1065
chips can drive a 64x128 dot display (capable of displaying 8 columnsx4 rows of a 16x16 dot kanji font).
Moreover, the capacity of the display can be extended through the use of master/slave structures up to three
RW1065 chips.
The chips are able to minimize power consumption because no external operating clock is necessary for the
display data RAM read/write operation. Furthermore, because each chip is equipped internally with a low-power
LCD driver power supply, and a display clock CR oscillator circuit, the RW1065 can be used to create the lowest
power display system with the fewest components for high-performance portable devices.
1
RockWorks Technology Corp.
RW1065
64x32 Dot Matrix LCD Controller / Driver
ꢀ BLOCK DIAGRAM
V4
2
RockWorks Technology Corp.
RW1065
64x32 Dot Matrix LCD Controller / Driver
ꢀ PAD ARRANGEMENT
10
19
9
2
1
11
8
18
15
7
6
5
4
17 16
14 13 12
3
133
20
21
22
SEG63
COM12
COM11
132
SEG62
SEG61
SEG60
SEG59
SEG58
SEG57
SEG56
SEG55
SEG54
SEG53
SEG52
SEG51
SEG50
SEG49
SEG48
131
130
COM10
COM9
23
24
25
26
27
28
29
30
31
129
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
COM8
COM7
COM6
COM5
COM4
COM3
COM2
COM1
COM0
V1
V4
V2
V3
VRAB
V0
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
SEG47
SEG46
SEG45
SEG44
SEG43
SEG42
SEG41
SEG40
SEG39
SEG38
SEG37
SEG36
SEG35
SEG34
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
VOUT
CAP3P
CAP1N
CAP1P
CAP2P
CAP2N
Y
113
112
111
110
109
108
VDD2
SHLP
BS0P
BS1P
MSP
X
107
106
105
104
103
102
Chip size: 4897 um x1902um
Pad size: 87.5um x 87.5um
Pad pitch : 128um ~ 92um
Substrate connects to VSS
FRR
CLSP
RSTP
VDD
RWP
RSP
EP
CS2P
CS1BP
D7
D6
101
100
99
98
97
96
95
94
93
61
62
63
64
65
66
92 D5
91
D4
D3
90
89
D2
67
68
88
SEG16
SEG15
D1
87
D0
69
83
76
80
84
86
70
71
72
75
77 78 79
81 82
85
73 74
Vss
SEG14
3
RockWorks Technology Corp.
RW1065
64x32 Dot Matrix LCD Controller / Driver
ꢀ
CHIP LAYOUT
4
RockWorks Technology Corp.
RW1065
64x32 Dot Matrix LCD Controller / Driver
ꢀ
Pin Description
(1)Power Pins
Name
I/O
Description
Connected to the +5V 0r +3V dc power. Common to the Vcc MPU power pin.
This is the retevence power supply for the Step-up voltage circuit.
0V dc pin connected to the system ground.
VDD
VDD2
VSS
-
-
-
CAP1P~3P
CAP1N~2N
Capacitor connector pin for voltage booster.
Multi-level power supplies for LCD driving. The voltage determined for each liquid
crystal cell is divided by resistance or it is converted in impedance by the op amp,
and supplied. These voltages must satisfy the following:
V0~V4
-
V0 ≧ V1 ≧ V2 ≧ V3 ≧V4 ≧ VSS
(2)System Bus Connection Pins
Name
I/O
Description
The 8-bit bidirectional data buses to be connected to the 8- or 16- bit standard MCU
Data busses.
I/O
D7 to D0
Usually connected to the low-order bit of the MPU address bus and used to identify
the data or a command.
RS=0: D0 to D7 are display control data.
RS
I
I
RS=1: D0 to D7 are display data.
CLS=1 : internal oscillator enable CLS=0 : external clock operation mode
CLS
The pin selects the relationship between display data RAM column addresses and
segment drivers.
ADCP=1: SEG0←column address 3FH,…..inverted
ADCP=0: SEG0←column address 00H,…..normal
The pin selects the com output scan direction.
ADCP
SHLP
I
I
SHL=1: Reverse direction,com63→com0
SHL=0: Normal com0→com63
Both master and slave should set identical SHL value
Select LCD Bias 1/5, 1/6, 1/8, 1/9 bias
BS1P=0, BS0P=0 : 1/5 bias
BS1P=0, BS0P=1 : 1/6 bias
BS1P=1, BS0P=0 : 1/8 bias
BS1P,BS0P
I
BS1P=1, BS0P=1 : 1/9 bias
―
Input low active. System reset.
RST
I
I
I
Input. When CS1BP = 0 and CS2P = 1 the chip select become active
CS1BP, CS2P
E
ꢁ
For 68-series MPU : Input. Active high.
Used as an enable clock input of the 68-series MPU.
For 68-series MPU : Input.
ꢁ
Used as an input pin of read control signals (if R/W is high) or write control signals
signals (if low).
R/W
I
5
RockWorks Technology Corp.
RW1065
64x32 Dot Matrix LCD Controller / Driver
(3)LCD Driver Circuit Signals
Name
I/O
Description
Input/output.
I/O selection
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ꢁ
ꢁ
M/S = “H” & CLS = “H” ：Output
M/S = “L” & CLS = “H” ：Input
M/S = “X” & CLS = “L” ：Input
CLL
I/O
This is a display data latch signal to count up the line counter and common counter
at each signal falling and rising edges.
Output.
SEGn
COMn
O
O
A single level of V0, V2, V3 and VSS is selected by the combination of display RAM contents
and FR signal.
Output.
The output pin for LCD common (row) driving. A single level of V0, V1, V4 and VSS is
selected by the combination of common counter output and FR signal. The
slave LSI has the reverse common output scan sequence than the master LSI.
Input/output.
This is the liquid crystal alternating current signal I/O terminal
l/O selection
FRR
I/O
I
ꢁ
M/S = “H”：Output
ꢁ
M/S = “L”：Input
Provides the voltage between V0 and VSS through a resistive voltage divider.
VRAB
Input.
The master or slave LSI operation select pin for the RW1065.
Operating
Mode
Power Internal COMMON
Supply OSC
SEG
output
M/S
High
Low
FR
CL V0~V4
Output
See
On
See
CLS
M/S
I
Master Output
Slave
On
COM0-31 SEG0-63
COM32- SEG64-
CLS
Input Input
Off
Off
Off
63
127
6
RockWorks Technology Corp.
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