参数资料
型号: LC74735W
元件分类: 画面叠加
英文描述: ON-SCREEN DISPLAY IC, PQFP80
封装: SQFP-80
文件页数: 20/50页
文件大小: 258K
代理商: LC74735W
No. 7191-27/50
LC74735W
Command 34 (Screen background color: vertical display start position setting command)
First byte
Second byte
DA0 to 7
Register
Content
Notes
State
Function
7
VPG7
0
(MSB)
1
The vertical display start position, VSG, is given by:
6
VPG6
0
1
5
VPG5
0
1
4
VPG4
0
1
3
VPG3
0
1
2
VPG2
0
1
VPG1
0
1
0
VPG0
0
(LSB)
1
7
VSG = 1H × ( ∑ 2 nVPGn)
n=0
HSYNC
HSG
VSG
Screen background
color display area
VSYNC
DA0 to 7
Register
Content
Notes
State
Function
7—
1
6—
0
Command 3 identification code
5—
1
Screen background color: vertical display start position setting
4—
1
3—
1
2—
0
Extended command identification code 4
1—
0
0—
0
Screen background color
The vertical display start position is specified by the
8 bits VPG7:0.
The weight of the LSB is 1H in QVGA mode, and
the weight of the LSB is 2H in WVGA mode
This setting applies in screen units.
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