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參數(shù)資料
| 型號(hào)： | S-4544A |
| 廠商： | Seiko Instruments Inc. |
| 英文描述： | LCD Controller-Driver With Built-in 8-Bit and Serial Interfaces(內(nèi)置8位和串行接口的LCD控制器-驅(qū)動(dòng)器) |
| 中文描述： | LCD控制器與- 8內(nèi)置驅(qū)動(dòng)器位和串行接口（內(nèi)置8位和串行接口的液晶顯示控制器-驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 5/39頁(yè) |
| 文件大?。?/td> | 237K |
| 代理商： | S-4544A |
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LCD Controller-Driver
S-4544A
4
Seiko Instruments Inc.
PIN DESCRIPTION
1. Logic Circuit Power Supply Pins
Table 1 Logic Circuit Power Supply Pins
Pin No.
20 , 39
10 , 58
Pin Name
VSS
VDD
Description
Negative power supply: Usually connected to -3 or -5 V.
Positive power supply: Usually connected to 0 V.
2. Control Pins
Table 2 Control Pins
Pin No.
12
Pin Name
CSX
Description
Chip-select input
Active “L”
Display data or display control command change
Usually connected to the lowermost bit of the MPU address bus
A0=“0”:
DB0 to DB7: Control command input.
A0=“1”:
DB0 to DB7: Display data input and outputs
[68-family MPU] Read/write signal input
R/WX=“H”:
Read
R/WX=“L”:
Write
[80-family MPU]
Write signal input
Active “L”
Data bus output state
[68-family MPU]
Enable clock signal input
Active “H”
[80-family MPU] Read signal input
Active “L”
Data bus output state
Parallel/serial interface change
P/SX=“H”:
8-bit parallel interface
P/SX=“L”:
Serial interface
MPU interface select
C86=“H”: 68-family interface
C86=“L”: 80-family interface
13
A0
14
R / WX
15
RDX
16
P / SX
17
C86
25
D0
26
D1
P/SX="H":
8-bit configuration data bus connection
28
D2
3-state input/output configuration
29
D3
P/SX="L":
Serial interface connection
31
D4
D0
Serial data input
32
D5
D1
Serial clock input
34
D6
D2
Serial data output
35
D7
3. CR Oscillation Pins
Table 3 CR Oscillation Pins
Pin No.
18
19
Pin Name
OSC2
OSC1
Description
CR oscillating circuit output. Connects oscillation resistor Rf.
CR oscillating circuit input. Connects oscillation resistor Rf.
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