參數(shù)資料
型號: LC74735NW
元件分類: 畫面疊加
英文描述: ON-SCREEN DISPLAY IC, PQFP80
封裝: SQFP-80
文件頁數(shù): 16/52頁
文件大?。?/td> 300K
代理商: LC74735NW
No. 7545-23/52
LC74735NW
Command 30 (Main screen: vertical display start position setting command)
First byte
Second byte
DA0 to 7
Register
Content
Notes
State
Function
7
VPM7
0
(MSB)
1
The vertical display start position, VSM, is given by:
6
VPM6
0
1
5
VPM5
0
1
4
VPM4
0
1
3
VPM3
0
1
2
VPM2
0
1
VPM1
0
1
0
VPM0
0
(LSB)
1
7
VSM = 1H
× ( ∑ 2 nVPMn)
n=0
HSYNC
HSM
VSM
Main screen display area
VSYNC
DA0 to 7
Register
Content
Notes
State
Function
7
1
6
0
Command 3 identification code
5
1
Main screen: vertical display start position setting
4
1
3
0
2
0
Extended command 0 identification code
1
0
0
Main screen
The vertical display start position is specified by the
8 bits VPM7 to 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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