参数资料
型号: LC74736PT
元件分类: 画面叠加
英文描述: ON-SCREEN DISPLAY IC, PQFP100
封装: 14 X 14 MM, TQFP-100
文件页数: 42/106页
文件大小: 405K
代理商: LC74736PT
LC74736PT
No.A0569-40/106
25 COMMAND30 (Main screen 1: vertical display start position setting command)
(1) First byte
Content
DA0 to 7
Register
State
Function
Notes
7
-
1
6
-
0
5
-
1
4
-
1
Command 3 identification code
Main screen 1 vertical display start position setting
3
-
0
2
-
0
1
-
0
Extended command 0 identification code
0
-
0
(2) Second byte
Content
DA0 to 7
Register
State
Function
Notes
0
7
VPM17
1
0
6
VPM16
1
0
5
VPM15
1
0
4
VPM14
1
0
3
VPM13
1
0
2
VPM12
1
0
1
VPM11
1
0
VPM10
(LSB)
1
The vertical display start position, VSM 1, is given by:
8
VSM1=1H
×(Σ2
nVPM1n)
n=0
Main screen 1
The vertical display start position is specified
by the 9 bits VPM18 to VPM10.
The weight of the LSB is 1H.
This setting applies in screen units.
*: This resistor is set to the all bits zero state when the IC is reset by the RST pin.
Main screen
display area
HSM1
VSM1
HSYNC
VSYNC
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