lc74775 Sanyo Semiconductor Corporation, lc74775 Datasheet - Page 21

• Manufacturer Part Number: lc74775
• Description: Vps/pdc Video On-screen Display
• Manufacturer: Sanyo Semiconductor Corporation

COMMAND12 (Display control setup command)
• First byte
• Second byte
Note: All registers are set to 0 when the LC74775/M is reset by the RST pin.
DA 0 to 7
DA 0 to 7
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
OTDCS1
OTDCS0
HLFTON
Register
Register
OTHS
SEL2
IND3
–
–
–
–
–
–
–
–
–
–
State
State
1
1
1
1
0
1
0
1
0
0
0
1
0
1
0
1
0
1
0
1
0
1
Crystal oscillator
Command 7 identification code.
Display control setup.
Extended command 5 identification code
Second byte identification bit
CSYNCB (sync separator)
HDB (slicer AFC)
LC oscillator
OTDS1
SEL2
0
0
1
1
0
0
1
HLFTON
LC74775, 74775M
OTDS0
0
1
0
0
1
0
1
Contents
Contents
Function
Function
Crystal oscillator
LC oscillator
SYNCDET
SYNC
Dot clock
Halftone
Output
LOCK
VCO
JDG
SYNC
The halftone output line specification depends
on background color specification (the logical
OR of the 3-line specification).
External synchronization mode dot clock setting
External synchronization mode H input switching
Internal synchronization mode dot clock setup
JDG
pin (pin 8) output switching.
Notes
Notes
No. 5919-21/35