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參數(shù)資料
| 型號： | LC74725M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | On-Screen Display Controller LSI |
| 中文描述： | 屏幕顯示控制器芯片 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 260K |
| 代理商： | LC74725M |
No. 5213-12/16
LC74725, 74725M
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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
Synchronizing signal control settings
5
—
0
4
—
1
3
BCL
0
Background color present
Only valid in internal synchronization
mode
1
No background color (only the background level is set)
0
Green background
Background color switching
(Only valid in NTSC mode)
(In PAL-M mode, only blue is available as
the background color.)
2
PH
1
Blue background
0
External synchronizing signal detection control: Off
External synchronizing signal detection
control. Determines when the signal goes
from detected to undetected, and from
undetected to detected.
1
RSN
1
External synchronizing signal detection control: On
0
INT
0
External synchronization
Switches between external and internal
synchronization
1
Internal 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 CV
OUT
.
1
CV
IN
is cut and CV
OUT
is fixed at the pedestal level.
Even field line 21 data extraction (VCR)
3
MOD0
0
Switches line 21 data extraction
operation.
1
Both even and odd field line 21 data extraction (NTSC-TV)
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
and PAL-M signals.
1
PAL-M
0
SEL0
0
External synchronizing signal detection output signal
Switches SYNC
JDG
(pin 21) output.
1
O/E signal
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC7472 | On-screen Video Display Controller for NTSC or PAL-M |
| LC7472M | On-screen Video Display Controller for NTSC or PAL-M |
| LC74730M | On-Screen Display Controller LSI |
| LC74731 | On-Screen Display Controller |
| LC74731W | On-Screen Display Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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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