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GDM128128A Datasheet, PDF (6/14 Pages) List of Unclassifed Manufacturers – SPECIFICATIONS OF LCD MODULE
GDM128128A
9.Command definitions
Command
Code
D1
D2
Function
00100001
X address
Y address Set cursor pointer
Registers setting
00100010
Data
00H
Set offset register
00100100
Low address High address Set address pointer
01000000
Low address High address Set text home address
Set control word
01000001
01000010
columns
Low address
00H
Set text area
High address Set graphic home address
01000011
columns
00H
Set graphic area
1000X000
OR mode
1000X001
EXOR mode
Mode set
1000X011
1000X100
AND mode
Text attribute mode
10000XXX
Internal CG ROM mode
10001XXX
External CG RAM mode
10010000
Display off
1001XX10
Cursor on, blink off
Display mode
1001XX11
100101XX
Cursor on, blink on
Text on, graphic off
100110XX
Text off, graphic on
100111XX
Text on, graphic on
10100000
1- Line cursor
10100001
2- Line cursor
10100010
3- Line cursor
Cursor pattern
10100011
4- Line cursor
select
10100100
5- Line cursor
10100101
6- Line cursor
10100110
7- Line cursor
10100111
8- Line cursor
Data auto read /
write
10110000
10110001
10110010
Set data auto write
Set data auto read
Auto reset
11000000
Data
Data write and increment ADP
11000001
Data read and increment ADP
Data read / write
11000010
11000011
Data
Data write and decrement ADP
Data read and decrement ADP
11000100
Data
Data write and no variable ADP
11000101
Data read and no variable ADP
Screen peek
11100000
Screen peek
Screen copy
11101000
Screen copy
11110XXX
Bit reset
11111XXX
Bit set
1111X000
Bit 0 (LSB)
1111X001
Bit 1
Bit set / reset
1111X010
1111X011
Bit 2
Bit 3
1111X100
Bit 4
1111X101
Bit 5
1111X110
Bit 6
1111X111
Bit 7(MSB)
Note:
When an MPU program with checking the busy flag (DB7) is made, it must be necessary
1/2fosc is necessary for executing the next instruction by the falling edge of the “E” signal after
the busy flag (DB7) goes to “Low”.
X: invalid
V: A
6/15
2001/12/05