參數(shù)資料
型號(hào): S6B1400X
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 104 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD
中文描述: 104賽格/ 65 COM驅(qū)動(dòng)程序
文件頁(yè)數(shù): 17/64頁(yè)
文件大小: 445K
代理商: S6B1400X
S6B1400X SPEC. VER. 0.0 104 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD
13
FUNCTIONAL DESCRIPTION
MICROPROCESSOR INTERFACE
Chip Select Input
There are CS1B and CS2 pins for chip selection. The S6B1400X can interface with an MPU only when CS1B is “L”
and CS2 is “H”. When these pins are set to any other combination, RS, E_RDB, and RW_WRB 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
S6B1400X has four types of interface with an MPU, which are two serial and two parallel interfaces. This parallel or
serial interface is determined by PS pin as shown in table 8
.
Table 8. Parallel / Serial Interface Mode
PS
Type
CS1B
CS2
C68
Interface mode
H
6800-series MPU mode
H
Parallel
CS1B
CS2
L
8080-series MPU mode
H
4 pin-SPI serial MPU mode
L
Serial
CS1B
CS2
L
3 pin-SPI serial MPU mode
Parallel Interface (PS = "H")
The 8-bit bi-directional data bus is used in parallel interface and the type of MPU is selected by C68 as shown in
table 9. The type of data transfer is determined by signals at RS, E_RDB and RW_WRB as shown in table 10.
Table 9. Microprocessor Selection for Parallel Interface
C68
CS1B
CS2
RS
E_RDB
RW_WRB
DB0 to DB7
MPU bus
H
CS1B
CS2
RS
E
RW
DB0 to DB7
6800-series
L
CS1B
CS2
RS
/RD
/WR
DB0 to DB7
8080-series
Table 10. Parallel Data Transfer
Common
6800-series
8080-series
RS
E_RDB
(E)
RW_WRB
(RW)
E_RDB
(/RD)
RW_WRB
(/WR)
Description
H
H
H
L
H
Display data read out
H
H
L
H
L
Display data write
L
H
H
L
H
Register status read
L
H
L
H
L
Writes to internal register (instruction)
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