参数资料
型号: LC74775
元件分类: 画面叠加
英文描述: ON-SCREEN DISPLAY IC, PDIP30
封装: SDIP-30
文件页数: 14/35页
文件大小: 258K
代理商: LC74775
No. 5919-21/35
LC74775, 74775M
DA 0 to 7
Register
Contents
Notes
State
Function
7
0
Second byte identification bit
6
0
5
OTDCS1
0
1
External synchronization mode dot clock setting
4
OTDCS0
0
1
3
HLFTON
0
1
0
2
SEL2
1
OTHS
0
CSYNCB (sync separator)
External synchronization mode H input switching
1
HDB (slicer AFC)
0
IND3
0
LC oscillator
Internal synchronization mode dot clock setup
1
Crystal oscillator
OTDS1
OTDS0
Dot clock
0
LC oscillator
0
1
Crystal oscillator
1
0
VCO
DA 0 to 7
Register
Contents
Notes
State
Function
7
1
6
1
Command 7 identification code.
5
1
Display control setup.
4
1
3
0
2
1
Extended command 5 identification code
1
0
1
First byte
COMMAND12 (Display control setup command)
Second byte
SEL2
HLFTON
Output
0
SYNCJDG
0
1
Halftone
1
0
LOCK
1
SYNCDET
SYNCJDG pin (pin 8) output switching.
The halftone output line specification depends
on background color specification (the logical
OR of the 3-line specification).
Note: All registers are set to 0 when the LC74775/M is reset by the RST pin.
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