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參數(shù)資料
| 型號(hào)： | LC74788N |
| 文件頁(yè)數(shù)： | 26/50頁(yè) |
| 文件大?。?/td> | 175K |
| 代理商： | LC74788N |
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No. 7191-26/50
LC74735W
Command 33 (Subscreen: horizontal display start position setting command)
First byte
DA0 to 7
Register
Content
Notes
State
Function
7
—
1
6
—
0
Command 3 identification code
5
—
1
Subscreen: horizontal display start position setting
4
—
0
3
—
0
2
—
1
Extended command identification code 3
1
1
0
HPS8
(MSB)
0
1
Second byte
DA0 to 7
Register
Content
Notes
State
Function
7
HPS7
0
1
6
HPS6
0
The horizontal display start position, HSS, is given by:
1
5
HPS5
0
1
4
HPS4
0
1
3
HPS3
0
1
2
HPS2
0
1
Setting disable range
1
HPS1
0
1
0
HPS0
(LSB)
0
1
8
HSS = 1Tc
×
(
2
n
HPSn) +
α
n=0
α
= 14 Tc
Tc: The input clock frequency in operating mode.
Subscreen (wallpaper)
The horizontal display start position is specified by
the 9 bits HPS8:0.
The weight of the LSB is 1TC in QVGA mode, and
the weight of the LSB is 2TC in WVGA mode
This setting applies in screen units.
*
: This register is set to the all bits zero state when the IC is reset by the RST pin.
QVGA : 00 to 2F HEX
WVGA : 00 to 17 HEX
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