HD66750 Datasheet, PDF (48/96 Pages) Hitachi Semiconductor – 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions

HD66750/1
Operation Examples:
1) I/D = 1, AM1Ð0 = 10, LG1Ð0 = 01, RT2Ð0 = 010
2) WM15Ð0 = 000FH
3) AC = 000H
WM0
WM15
Write data mask: _{1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0}
Read data (1):
Write data (1):
DB0
DB15
00 0 111 1 00 00 01 10 0
11 1 111 0 00 001 10 0 0
4-bit rotation
10 0 011 1 111 0 00 001
Read data (2):
Write data (2):
Read data (3):
Write data (3):
Read data (4):
Write data (4):
00 1 111 1 100 0 00 11 1
11 11 11 0 000 01 1 000
00 1 10 011 00 0 00 11 0
00 0 00 111 00 0 01 11 1
11 1 10 00 000 0 00 10 1
00 0 00 111 00 0 01 11 1
Logical operation (OR)
10 0 111 1 111 0 01 101
4-bit rotation
1 000 11 11 11 0 000 01
Logical operation (OR)
1 011 11 11 11 0 001 11
4-bit rotation
1 11 100 0 00 111 00 0 0
Logical operation (OR)
1 11 100 1 10 111 01 1 0
4-bit rotation
1 11 100 0 00 111 00 0 0
Logical operation (OR)
1 11 100 0 00 111 01 0 1
000H
010H
000H
001H
* * * * 1 1 1 1 1 1 0 0 1 1 0 1 1 0 1 1 * * * * * * * * * * * * Write data (1), (2)
* * * * 0 0 1 1 0 1 1 1 0 1 1 0 1 1 1 1 * * * * * * * * * * * * Write data (3), (4)
7F0H
Notes: 1. The bit area data in the RAM indicated by '*' is not changed.
2. After writing to address 7F0H, the AC jumps to 001H.
CGRAM
Figure 31 Writing Operation of Read/Write Mode 3
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