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參數資料
| 型號： | LC74776 |
| 元件分類： | 畫面疊加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDIP30 |
| 封裝： | SDIP-30 |
| 文件頁數： | 15/35頁 |
| 文件大小： | 253K |
| 代理商： | LC74776 |
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No. 6018-22/35
LC74776, 74776M
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
–
1
2
–
0
Extended command B identification code
1
–
1
0
–
1
First byte
COMMAND18 (Display control setup command)
DA 0 to 7
Register
Contents
Notes
State
Function
7
–
0
Second byte identification bit
6
–
0
Sync discrimination signal absent
→ present: normal value
5
RNE0
1
0
4
SJNS3
1
0
3
SJNS2
1
0
2
SJNS1
1
SJCS1
0
1
0
SJCS0
0
1
Second byte
Setting for the noise rejection circuit used for
sync discrimination signal absent
→ present
transition.
The sync signal absent state is recognized
when the number of high-level signals shown
in the table is input during a 1H period.
Note: All registers are set to 0 when the LC74776/M is reset by the RST pin.
Changes the discrimination value for the sync
discrimination signal absent
→ present
transition
Sync discrimination.
HSYNI signal extraction clock selection.
Sync discrimination signal absent
→ present: value shown
in parentheses
SJNS3
SJNS2
SJNS1
Number of times
0
None
0
1
4
0
1
0
8
0
1
16
1
0
32
1
0
1
64
1
0
128
1
256
SJCS1
SJCS0
PAL
NTSC
0
677 ns (1/3)
558 ns (1/2)
0
1
903 ns (1/4)
838 ns (1/3)
1
0
450 ns (1/2)
1117 ns (1/4)
相關PDF資料 |
PDF描述 |
|---|---|
| LC74776M | ON-SCREEN DISPLAY IC, PDSO30 |
| LC74776M | ON-SCREEN DISPLAY IC, PDSO30 |
| LC74780M | ON-SCREEN DISPLAY IC, PDSO24 |
| LC74780 | ON-SCREEN DISPLAY IC, PDIP24 |
| LC74781 | ON-SCREEN DISPLAY IC, PDIP24 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LC74776M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller IC |
| LC74776NM-9780-TRM | 制造商:SANYO Semiconductor Co Ltd 功能描述:ON-SCREEN DISPLAY IC, PDSO30 |
| LC74780 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-screen Video Display Controllers for VCRs |
| LC74780M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-screen Video Display Controllers for VCRs |
| LC74781 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-screen Video Display Controller for VCR Products |
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