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參數(shù)資料
| 型號(hào)： | KS0759 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 81 COM / 128 SEG DRIVER & CONTROLLER FOR STN LCD |
| 中文描述： | 81的COM / 128賽格驅(qū)動(dòng) |
| 文件頁數(shù)： | 16/67頁 |
| 文件大?。?/td> | 580K |
| 代理商： | KS0759 |
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81 COM / 128 SEG DRIVER & CONTROLLER FOR STN LCD PRELIMINARY SPEC. VER. 0.2 KS0759
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FUNCTIONAL DESCRIPTION
MICROPROCESSOR INTERFACE
Chip Select Input
There are CS1B for chip selection. The KS0759 can interface with an MPU only when CS1B is "L" . When these
pins are set to any other combination, RS, E_RD, and RW_WR inputs are disabled and DB0 to DB7 are to be
high impedance. And, in case of serial interface, the internal shift register and the counter are reset.
Parallel / Serial Interface
KS0759 has four types of interface with an MPU, which are two serial and two parallel interface. This parallel or
serial interface is determined by PS 0pin as shown in Table 7.
Table 7. Parallel / Serial Interface Mode
PS0
Type
CS1B
PS1
Interface mode
H
L
6800-series MPU mode
8080-series MPU mode
H
Parallel
CS1B
H
4 Pin-SPI MPU mode
L
Serial
CS1B
L
3 Pin-SPI MPU mode
Parallel Interface (PS0 = "H")
The 8-bit bi-directional data bus is used in parallel interface and the type of MPU is selected by PS1 as shown in
Table 8. The type of data transfer is determined by signals at RS, E_RD and RW_WR as shown in Table 9.
Table 8. Microprocessor Selection for Parallel Interface
PS1
CS1B
RS
E_RD
RW_WR
DB0 to DB7
MPU bus
H
L
CS1B
CS1B
RS
RS
E
RW
/WR
DB0 to DB7
DB0 to DB7
6800-series
8080-series
/RD
Table 9. Parallel Data Transfer
Common
6800-series
8080-series
Description
RS
E_RD
(E)
RW_WR
(RW)
E_RD
(/RD)
RW_WR
(/WR)
H
H
L
L
H
H
H
H
H
L
H
L
L
H
L
H
H
L
H
L
Display data read out
Display data write
Register status read
Writes to internal register (instruction)
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