LC74731 Sanyo Semicon Device, LC74731 Datasheet - Page 31

• Manufacturer Part Number: LC74731
• Description: On-Screen Display Controller
• Manufacturer: Sanyo Semicon Device

COMMAND73 (RGB control setup command)
• First byte
• Second byte
DA0 to 7
DA0 to 7
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
OUTSEL
Register
Register
HSPSW
XONSS
DASSS
GBSEL
BLK02
BLK01
—
—
—
—
—
—
—
—
—
State
State
1
1
1
1
1
1
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Command 7 identification code
Display control setup
Extended command 3 identification code
Second byte identification bit
Normal
CLKD = CLKX
Background color: off
Background color: on
RGB output switching
Internal Sync separator used
Internal Sync separator not used
Operation depends on the CTRL1 pin
Feedback resistor disconnected
BLK01 BLK00
0
0
1
1
0
1
0
1
CHA + BK + CHAB
CHA +BK only
CHA only
BK only
Content
Content
LC74731W,74732W
Function
Function
Switches the XTALIN amplifier input
Only valid when RGB output is specified.
Switches the background color in RGB output mode
The background color is specified by COM4 second
byte.
Switches the P9 to P12 outputs
The logical OR with the OUTMOD input.
Switches the SYNin input
The logical OR with the OUTMOD input.
Enables or disables the feedback resistor for the
XTALIN clock.
Switches the BLKout output
Box is always on.
Always on when GBSEL = 1.
Notes
Notes
No. 6526-31/38