参数资料
型号: LC74735NW
厂商: SANYO SEMICONDUCTOR CO LTD
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: 17/52页
文件大小: 300K
代理商: LC74735NW
No. 7545-24/52
LC74735NW
Command 31 (Main screen: 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
Main screen: horizontal display start position setting
4
1
3
0
2
0
Extended command 1 identification code
1
1
0
HPM8
0
(MSB)
1
Second byte
DA0 to 7
Register
Content
Notes
State
Function
7
HPM7
0
1
6
HPM6
0
The horizontal display start position, HSM, is given by:
1
5
HPM5
0
1
4
HPM4
0
1
3
HPM3
0
1
2
HPM2
0
Setting disable range
1
HPM1
0
1
0
HPM0
0
(LSB)
1
8
HSM = 1Tc
× ( ∑ 2 nHPMn) + α
n=0
α = 57 Tc
Tc: The input clock frequency in operating mode.
QVGA : 00 to 07 HEX
WVGA : 00 to 07 HEX
Main screen
The horizontal display start position is specified by
the 9 bits HPM8:0.
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.
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