lc74776m Sanyo Semiconductor Corporation, lc74776m Datasheet - Page 21
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lc74776m
Manufacturer Part Number
lc74776m
Description
Vps/pdc Video On-screen Display
Manufacturer
Sanyo Semiconductor Corporation
Datasheet
1.LC74776M.pdf
(35 pages)
- Current page: 21 of 35
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COMMAND12 (Display control setup command)
• First byte
• Second byte
Note: All registers are set to 0 when the LC74776/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
LC74776, 74776M
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. 6018-21/35
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