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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 240128-06
Pacific Display Devices
03.07.2006
22
● Data Read Write
Code
Hex
Function
Operand
11000000
C0H
Data write and ADP increment
Data
11000001
C1H
Data read and ADP increment
---
11000010
C2H
Data write and ADP decrement
Data
11000011
C3H
Data read and ADP decrement
---
11000100
C4H
Data write and ADP non-variable
Data
11000101
C5H
Data read and ADP non-variable
---
This command is used for data write from MPU to external display RAM, and data read from external display RAM
to MPU. Data write/data read should be executed after setting address by address pointer set command. Address pointer can be
automatically increment or decrement by setting this command.
Note : This command is necessary for each 1 byte data. Please refer following flow chart.
DATA WRITE START
END
STATUS CHECK 1
LOWER ADDRESS DATA
STATUS CHECK 1
UPPER ADDRESS DATA
STATUS CHECK 1
ADDRESS POINTER SET 24H
STATUS CHECK 1
WRITE DATA SET
STATUS CHECK 1
DATA WRITE C0H
DATA READ
END
ADDRESS POINTER SET
STATUS CHECK 1
DATA READ C1H