參數(shù)資料
型號: GS1561-CF
廠商: Gennum Corporation
英文描述: GS1560A/GS1561 HD-LINX-R II Dual-Rate Deserializer
中文描述: GS1560A/GS1561的HD - LINX進程- R的第二雙率解串器
文件頁數(shù): 40/80頁
文件大?。?/td> 842K
代理商: GS1561-CF
GS1560A/GS1561 Data Sheet
27360 - 8
September 2005
40 of 80
Figure 3-2: 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 GS1560A/GS1561 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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ANC
ACTIVE PICTURE
SAV
EAV
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SAV
Video source 1
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ACTIVE PICTURE
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SAV
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ACTIVE PICTURE
SAV
EAV
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SAV
ACTIVE PICTURE
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SAV
Video source 2
EAV
ANC
ACTIVE PICTURE
SAV
EAV
ANC
SAV
DATA IN
ACTIVE PICTURE
EAV
ANC
SAV
ANC
ACTIVE PICTURE
EAV
ANC
SAV
Switch point
Flywheel TRS
position
EAV
ANC
ACTIVE PICTURE
SAV
EAV
ANC
SAV
ANC
ACTIVE PICTURE
DATA OUT
ACTIVE PICTURE
EAV
ANC
SAV
EAV
ANC
SAV
FW_EN/DIS
switch video source 1 to 2
Flywheel re-synch
EAV
ANC
ACTIVE PICTURE
EAV
ANC
SAV
EAV
ANC
ACTIVE PICTURE
SAV
EAV
ANC
ACTIVE PICTURE
SAV
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SAV
Video source 1
EAV
ANC
ACTIVE PICTURE
EAV
ANC
SAV
EAV
ANC
ACTIVE PICTURE
SAV
EAV
ANC
SAV
ACTIVE PICTURE
EAV
ANC
SAV
Video source 2
EAV
ANC
ACTIVE PICTURE
SAV
EAV
ANC
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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