參數(shù)資料
型號: HD66787
廠商: Renesas Technology Corp.
英文描述: 528-channel, One-chip Driver with 262,144-color Display RAM and Power Supply Circuit for Low-temperature Poli-Si TFT (LTPS-TFT) Panels with Incorporat
中文描述: 528與262,144色顯示RAM和低電源電路通道,單芯片驅(qū)動(dòng)器的溫度和旋鈴聲非晶硅TFT(薄膜晶體管)與Incorporat小組
文件頁數(shù): 127/159頁
文件大小: 1607K
代理商: HD66787
HD66787
Preliminary
Rev.0.22, May.23.2003, page 127 of 159
8-color Display Mode
The HD66787 incorporates the 8-color display mode. The available grayscale levels are V0 and V31, and
the voltages for the other levels (V1-V30) are halted to reduce power consumption.
The
γ
-fine-adjustment registers, PKP0-PKP5 and PKN0-PKN5 are not available in the 8-color display
mode. Since the power supply for the levels V1-V30 are halted, RGB data in GRAM should be set to
either “000000” or “111111” before setting this mode so that V0 or V31 is selected.
R
3
R
2
R
1
G
2
G
1
G
0
B
3
B
2
Display
data
MSB
LSB
Graphics RAM(GRAM)
R
0
G
3
B
1
B
0
B
4
G
4
G
5
R
4
6
6
6
2
R
5
B
5
2 - level grayscale
control
<R>
<G>
<B>
LCD driver
R G B
LCD
PKP
01
PKP
00
PKP
11
PKP
10
PKP
21
PKP
20
PKP
31
PKP
30
PKP
41
PKP
40
PKP
51
PKP
50
PKP
32
PKP
42
PKP
52
PKP
12
PKP
22
PKP
02
Positive
Polarity
Register
Negative
Polarity
Register
8
V0
G
V31
PRP
01
PRP
00
PRP
11
PRP
10
PRP
12
PRP
02
PKN
01
PKN
00
PKN
11
PKN
10
PKN
21
PKN
20
PKN
31
PKN
30
PKN
41
PKN
40
PKN
51
PKN
50
PKN
32
PKN
42
PKN
52
PKN
12
PKN
22
PKN
02
PRN
01
PRN
00
PRN
11
PRN
10
PRN
12
PRN
02
VRP
01
VRP
00
VRP
11
VRP
10
VRP
12
VRP
02
VRP
13
VRP
03
VRP
14
VRN
01
VRN
00
VRN
11
VRN
10
VRN
12
VRN
02
VRN
13
VRN
03
VRN
14
2 - level grayscale
control
LCD driver
2 - level grayscale
control
LCD driver
Grayscale control
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