參數(shù)資料
型號(hào): LC74731W
廠商: Sanyo Electric Co.,Ltd.
英文描述: On-Screen Display Controller
中文描述: 屏幕顯示控制器
文件頁(yè)數(shù): 23/38頁(yè)
文件大?。?/td> 157K
代理商: LC74731W
No. 6526-23/38
LC74731W,74732W
COMMAND53 (Display control setup command)
First byte
DA0 to 7
Register
Content
Notes
State
Function
7
1
Command 5 identification code
6
1
Display control settings
5
0
4
1
3
1
Extended command 3 identification code
2
1
1
RSLG1
0
RSLG1 RSLG0
Switches the screen background color level
1
0
0
NO1
RS1
0
RDLG0
0
0
1
NO2
RS2
1
1
0
NO3
RS3
Second byte
Note that all registers are set to 0 when these ICs are reset by the RST pin.
SYnin: CVIDEO (Built-in sync separator circuit)
SEPin: None (internal vertical separation)
or
:VSYNC
SYNin: HD
SEPin: CSYNC (internal vertical separation)
SYNin: HSYNC
SEPin: VSYNC
SYNin: CSYNC (internal vertical separation)
SEPin: None
DA0 to 7
Register
Content
Notes
State
Function
7
0
Second byte identification bit
6
0
5
CTL3
0
Internal vertical separation circuit
Switches the VSYNC signal input
1
External input
4
SP0SEL
0
CSYNC (sync separator output)
Switches the SEPout pin output
1
Halftone output
3
PALAL4
0
Normal
1
Always use 4 fsc timing (PAL)
2
IHSEL
0
SYNin pin input signal
Switches the internal vertical separation input
signal
1
SEPin pin input signal
1
VSSEL
0
Negative polarity
Switches the SEPin input polarity
1
Positive polarity
0
HSSEL
0
Negative polarity
Switches the SYNin input polarity (Invalid for
CVIDEO input)
1
Positive polarity
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