ST7586S Sitronix Technology Corporation, ST7586S Datasheet - Page 37

• Manufacturer Part Number: ST7586S
• Description: 4-level Gray Scale Dot Matrix Lcd Controller/driver
• Manufacturer: Sitronix Technology Corporation

ST7586S
Read Modify Write
This instruction is used to enter/exit read modify write mode. When entering read modify write, the display data read will not
increase column address. Only the display data write operation will increase the column address. This mode is maintained
until Disable Read Modify Write (B9h) is accepted.
Ver-1.1b
A0
0
R/W
0
D7
1
D6
0
D5
1
D4
1
Enable Read Modify Write
Set Row/Column Address
Read-Modify-Write Cycle
(at same Column Addr.)
Dummy Read
Modify Data
Data Read
Data Write
Finished?
D3
1
Done
Yes
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D2
0
D1
0
RMW
D0
RMW=0: Enable read modify write
RMW=1: Disable read modify write
Description
2009/12/23