ST7586S Sitronix Technology Corporation, ST7586S Datasheet - Page 16
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ST7586S
Manufacturer Part Number
ST7586S
Description
4-level Gray Scale Dot Matrix Lcd Controller/driver
Manufacturer
Sitronix Technology Corporation
Datasheet
1.ST7586S.pdf
(63 pages)
- Current page: 16 of 63
- Download datasheet (693Kb)
ST7586S
FUNCTION DESCRIPTION
Microprocessor Interface
Chip Select Input
CSB pin is used for chip selection. ST7586S can interface with an MPU when CSB is "L". If CSB is “H”, the inputs of A0, ERD
and RWR with any combination will be ignored and D[7:0] are high impedance. In 3-Line and 4-Line serial interfaces, the
internal shift register and serial counter are reset when CSB is “H”.
Interface Selection
The interface selection is controlled by IF[3..1] pins. Please refer to the table below:
Note: The un-used pins are marked as “--” and should be fixed to “H” by “VDD1”.
Parallel Interface
When parallel interface is selected, the interface transmission type will be determined by the combination of the control
signals. Please refer to the table below:
Note: Reading Display Data or Parameter is specified by the instruction before the read operation.
Serial Interface
In serial interface mode (4-Line or 3-Line), IC is active when CSB is “L”. Control signals (SDA, SCL and A0 for 4-Line) are
enabled when CSB is “L”. When CSB is “H”, the MPU interface is not active and the internal shift register and counter are
reset. It is recommended to set CSB to “H” after each byte transmission.
In 4-Line serial interface, A0 signal is latched at the 8
Ver-1.1b
IF3
H
H
L
L
/WR
8080 series MPU
H
H
Setting
IF2
H
H
H
L
IF1
H
L
L
L
/RD
H
H
Parallel 8080 series MPU
Parallel 6800 series MPU
Serial 4-Line series MPU
Serial 3-Line series MPU
MPU Type
R/W
6800 series MPU
Fig. 1
H
H
L
L
Write-Operation of 4-Line Serial Interface
E
th
CSB
CSB
rising edge of the SCL signal (refer to Fig. 1).
Table 1
Table 2
16/63
A0
SCL
H
H
H
L
A0
A0
RWR
/WR
R/W
--
--
CSB
L
Interface Pin Function
ERD
/RD
E
--
--
Read Display Data or Parameter Start
Read Display Data or Parameter Stop
D1=A0; D0=SDA. D[7:2] are not used.
D0=SDA. D[7:1] are not used.
Write Display Data or Parameter
Interface Transmission Type
Write Command
D[7:0]
D[7:0]
2009/12/23
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