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參數資料
| 型號： | LC74725M |
| 元件分類： | 畫面疊加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDSO24 |
| 封裝： | 0.375 INCH, PLASTIC, MFP-24 |
| 文件頁數： | 4/16頁 |
| 文件大小： | 330K |
| 代理商： | LC74725M |
No. 5213-12/16
LC74725, 74725M
⑥ COMMAND5 (Display control setup command)
First byte
Second byte
Note: The register states are all set to zero when the LC74725/M is reset with the RST pin.
Register content
DA0 to DA7
Register name
State
Function
Note
7—
1
6—
1
Command 5 identification code
5—
0
Synchronizing signal control settings
4—
1
3
BCL
0
Background color present
Only valid in internal synchronization
1
No background color (only the background level is set)
mode
0
Green background
Background color switching
2PH
(Only valid in NTSC mode)
1
Blue background
(In PAL-M mode, only blue is available as
the background color.)
0
External synchronizing signal detection control: Off
External synchronizing signal detection
1
RSN
control. Determines when the signal goes
1
External synchronizing signal detection control: On
from detected to undetected, and from
undetected to detected.
0
INT
0
External synchronization
Switches between external and internal
1
Internal synchronization
synchronization
Register content
DA0 to DA7
Register name
State
Function
Note
7—
0
Second byte identification bit
6—
0
5—
0
4
MUT
0
Normal output
Switches CVOUT.
1CVIN is cut and CVOUT is fixed at the pedestal level.
3
MOD0
0
Even field line 21 data extraction (VCR)
Switches line 21 data extraction
1
Both even and odd field line 21 data extraction (NTSC-TV)
operation.
2
CTL3
0
Internal V separation used.
Switches V separation usage.
1
Internal V separation not used.
1
CTL2
0
NTSC
Switches between generation of NTSC
1
PAL-M
and PAL-M signals.
0
SEL0
0
External synchronizing signal detection output signal
Switches SYNCJDG (pin 21) output.
1
O/E signal
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LC7472M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-screen Video Display Controller for NTSC or PAL-M |
| LC7472NM9048 | 制造商:Panasonic Industrial Company 功能描述:IC |
| LC7472NM9056 | 制造商:Panasonic Industrial Company 功能描述:IC |
| LC74730M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| LC74731 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
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