參數(shù)資料
型號(hào): LC74735W
元件分類(lèi): 畫(huà)面疊加
英文描述: ON-SCREEN DISPLAY IC, PQFP80
封裝: SQFP-80
文件頁(yè)數(shù): 19/50頁(yè)
文件大?。?/td> 258K
代理商: LC74735W
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
11
0
HPS8
0
(MSB)
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
0
(LSB)
1
8
HSS = 1Tc × ( ∑ 2 nHPSn) + 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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