hd66765 Renesas Electronics Corporation., hd66765 Datasheet - Page 30
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hd66765
Manufacturer Part Number
hd66765
Description
396-channel Segment Driver With Internal Ram For 4096-color Displays - Hitachi Semiconductor
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.HD66765.pdf
(71 pages)
- Current page: 30 of 71
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Write Data to GRAM (R22h)
WD11–0 : Write 12-bit data to the GRAM. This data calls each grayscale palette. After a write, the
address is automatically updated according to the AM and I/D bit settings. During the standby mode, the
GRAM cannot be accessed.
Table 14
GRAM Data Setting
R3
G3
B3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
GRAM write data
R/W
W
RS
R2
G2
B2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
GRAM Data and Grayscale Palette
DB15
0
R1
G1
B1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
DB15
0
DB14
0
DB14
R0
G0
B0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
DB13
0
DB13
Figure 21 Write Data to GRAM Instruction
0
Figure 22 GRAM Write Data Instruction
Grayscale Palette
PK04
PK14
PK24
PK34
PK44
PK54
PK64
PK74
PK84
PK94
PK104
PK114
PK124
PK134
PK144
PK154
DB12
0
DB12
0
DB11
WD
11
DB11
WD
R3
11
DB10
WD
10
DB10
WD
R2
10
PK03
PK13
PK23
PK33
PK43
PK53
PK63
PK73
PK83
PK93
PK103
PK113
PK123
PK133
PK143
PK153
WD
DB9
9
WD
DB9
R1
9
30
WD
DB8
8
WD
DB8
R0
8
PK02
PK12
PK22
PK32
PK42
PK52
PK62
PK72
PK82
PK92
PK102
PK112
PK122
PK132
PK142
PK152
WD
DB7
7
WD
DB7
G3
7
WD
DB6
1 pixel data
6
WD
DB6
G2
6
WD
DB5
5
WD
DB5
G1
PK01
PK11
PK21
PK31
PK41
PK51
PK61
PK71
PK81
PK91
PK101
PK111
PK121
PK131
PK141
PK151
5
WD
DB4
WD
4
DB4
G0
4
WD
DB3
WD
DB3
3
B3
3
PK00
PK10
PK20
PK30
PK40
PK50
PK60
PK70
PK80
PK90
PK100
PK110
PK120
PK130
PK140
PK150
WD
DB2
WD
DB2
B2
2
2
HD66765
WD
DB1
WD
DB1
B1
1
1
WD
DB0
WD
DB0
B0
0
0
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