參數(shù)資料
型號: LC74788N
文件頁數(shù): 25/50頁
文件大?。?/td> 175K
代理商: LC74788N
No. 7191-25/50
LC74735W
Command 32 (Subscreen: vertical display start position setting command)
First byte
Second byte
DA0 to 7
Register
Content
Notes
State
Function
7
VPS7
(MSB)
0
1
The vertical display start position, VSS, is given by:
6
VPS6
0
1
5
VPS5
0
1
4
VPS4
0
1
3
VPS3
0
1
2
VPS2
0
1
1
VPS1
0
1
0
VPS0
(LSB)
0
1
7
VSS = 1H
×
(
2
n
VPSn)
n=0
HSYNC
HSS
VSS
Subscreen display area
V
DA0 to 7
Register
Content
Notes
State
Function
7
1
6
0
Command 3 identification code
5
1
Subscreen: vertical display start position setting
4
1
3
0
2
1
Extended command identification code 2
1
0
0
0
Subscreen (wallpaper)
The vertical display start position is specified by the
8 bits VPS7:0.
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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