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參數(shù)資料
| 型號(hào)： | GS1559-CBE2 |
| 廠商： | Gennum Corporation |
| 英文描述： | GS1559 HD-LINX-TM II Multi-Rate Deserializer with Loop-Through Cable Driver |
| 中文描述： | GS1559的HD - LINX進(jìn)程，商標(biāo)第二多速率解串器與環(huán)通電纜驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 36/74頁(yè) |
| 文件大?。?/td> | 686K |
| 代理商： | GS1559-CBE2 |
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GS1559 Data Sheet
30572 - 4
July 2005
36 of 74
Figure 4-2: Switch Line Locking
The ability to manually re-synchronize the flywheel is also important when
switching asynchronous sources or to implement other non-standardized video
switching functions.
The GS1559 also implements automatic switch line lock handling. By utilizing the
synchronous switch points defined by SMPTE RP168 for all major video standards
with the automatic video standards detect function, the device automatically
re-synchronizes the flywheel at the switch point.
This function will occur regardless of the setting of the FW_EN/DIS pin.
The switch line is defined as follows:
For 525 line interlaced systems: re-sync takes place at the end of lines 10 &
273.
For 525 line progressive systems: re-sync takes place at the end of line 10.
For 625 line interlaced systems: re-sync takes place at the end of lines 6 &
319.
For 625 line progressive systems: re-sync takes place at the end of line 6.
EAV
ANC
ACTIVE PICTURE
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SAV
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ACTIVE PICTURE
SAV
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ACTIVE PICTURE
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Video source 1
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Video source 2
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ACTIVE PICTURE
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DATA IN
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Switch point
Flywheel TRS
position
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DATA OUT
ACTIVE PICTURE
EAV
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SAV
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FW_EN/DIS
switch video source 1 to 2
Flywheel re-synch
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ACTIVE PICTURE
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Video source 1
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ACTIVE PICTURE
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Video source 2
EAV
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ACTIVE PICTURE
SAV
EAV
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SAV
DATA IN
ACTIVE PICTURE
EAV
ANC
SAV
ACTIVE PICTURE
EAV
ANC
SAV
Switch point
Flywheel TRS
position
EAV
ANC
ACTIVE PICTURE
SAV
EAV
ANC
SAV
ACTIVE PICTURE
DATA OUT
switch video source 2 to 1
EAV
ANC
SAV
ACTIVE PICTURE
EAV
ANC
SAV
Flywheel re-synch
FW_EN/DIS
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