Data Sheet
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12/25
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R/W#
D/C#
Hex
D7
D6
D5
D4
D3
D2
D1
D0
Command
Description
0
0
44
0
1
0
0
0
1
0
0
Set RAM X -
address Start / End
position
Specify the start/end positions of the
window address in the X direction by
an address unit
A[4:0]: XSA[4:0], XStart, POR = 00h
B[4:0]: XEA[4:0], XEnd, POR = 18h
0
1
0
0
0
A
4
A
3
A
2
A
1
A
0
0
1
0
0
0
B
B
B
B
B
0
0
45
0
1
0
0
0
1
0
1
Set Ram Y- address
Start / End position
Specify the start/end positions of the
window address in the Y direction by
an address unit
A[8:0]: YSA[8:0], YStart, POR = 000h
B[8:0]: YEA[8:0], YEnd, POR =
12Bh
0
1
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
0
1
0
0
0
0
0
0
0
A
8
0
1
B
7
B
6
B
5
B
4
B
3
B
2
B
1
B
0
0
1
0
0
0
0
0
0
0
B
8
0
0
4E
0
1
0
0
1
1
1
0
Set RAM X address
counter
Make initial settings for the RAM X
address in the address counter (AC)
A[4:0]: XAD[4:0], POR is 00h
0
1
0
0
0
A
4
A
3
A
2
A
1
A
0
0
0
4F
0
1
0
0
1
1
1
1
Set RAM Y address
counter
Make initial settings for the RAM Y
address in the address counter (AC)
A[8:0]: YAD8:0], POR is 000h
0
1
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
0
1
0
0
0
0
0
0
0
A
8
0
1
FF
1
1
1
1
1
1
1
1
NOP
This command is an empty command;
it does not have any effect on the
display module.
However it can be used to terminate
Frame Memory Write or Read
Commands.
4 3 2 1 0