st7531 Sitronix Technology Corporation, st7531 Datasheet - Page 52

• Manufacturer Part Number: st7531
• Description: 65k Color Dot Matrix Lcd Controller/driver
• Manufacturer: Sitronix Technology Corporation

ST7531
Ver 1.8
Increase or decrease EC value
( get the V0 value you need )
EC Value Adjustment Flow
( command D6H or D7H )
End of Initialization Flow
Close Extension mode
Make sure the Action:
Open Extension mode
Power Control On
(command CDH)
Enable EEPROM
(command AEH)
(command 07H)
(command 30H)
(parameter 19H)
(command 31H)
(parameter 20H)
Initial Code(1)
Initial Code(1)
Display Off
OSC On
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Close Extension mode
Write into EEPROM
Check the EC value
Turn off the power
Turn on the power
Disable EEPROM
(command CCH)
(command AFH)
(command FCH)
(command 30H)
Wait for 100ms
Wait for 100ms
Wait for 100ms
Display On
2006/9/18