參數(shù)資料
型號: GS9090ACNE3
廠商: Gennum Corporation
英文描述: GS9090A GenLINX-R III 270Mb/s Deserializer for SDI
中文描述: GS9090A GenLINX - R的第三270Mb / s的SDI解串器
文件頁數(shù): 31/69頁
文件大?。?/td> 687K
代理商: GS9090ACNE3
GS9090A Preliminary Data Sheet
Proprietary and Confidential
34714 - 0
February 2006
31 of 69
3.9.3 EDH Packet Detection
The GS9090A will determine if EDH packets are present in the incoming video data
and assert the EDH_DETECT output status signal appropriately.
EDH_DETECT will be set HIGH when EDH packets have been detected and will
remain HIGH until EDH packets are no longer present. The signal will be set LOW
at the end of the vertical blanking (falling edge of V) if an EDH packet has not been
received and detected during vertical blanking.
EDH_DETECT is available for output on the multi-function output port pins, if so
programmed (see
Programmable Multi-Function Outputs on page 55
).
Additionally, the EDH_DETECT bit is stored in the DATA_FORMAT register at
address 04h (see
Table 3-7
).
Table 3-4: Host Interface Description for Programmable Ancillary Data Type registers
Register Name
Bit
Name
Description
R/W
Default
ANC_TYPE 1
Address: 0Ah
15-8
ANC_TYPE1[15:8]
Used to program the DID for ancillary data
detection at ANC_DETECT output
R/W
0
7-0
ANC_TYPE1[7:0]
Used to program the SDID for ancillary data
detection at ANC_DETECT output. Should be
set to zero if no SDID is present in the ancillary
data packet to be detected.
R/W
0
ANC_TYPE 2
Address: 0Bh
15-8
ANC_TYPE2[15:8]
Used to program the DID for ancillary data
detection at ANC_DETECT output
R/W
0
7-0
ANC_TYPE2[7:0]
Used to program the SDID for ancillary data
detection at ANC_DETECT output. Should be
set to zero if no SDID is present in the ancillary
data packet to be detected.
R/W
0
ANC_TYPE 3
Address: 0Ch
15-8
ANC_TYPE3[15:8]
Used to program the DID for ancillary data
detection at ANC_DETECT output
R/W
0
7-0
ANC_TYPE3[7:0]
Used to program the SDID for ancillary data
detection at ANC_DETECT output. Should be
set to zero if no SDID is present in the ancillary
data packet to be detected.
R/W
0
ANC_TYPE 4
Address: 0Dh
15-8
ANC_TYPE4[15:8]
Used to program the DID for ancillary data
detection at ANC_DETECT output
R/W
0
7-0
ANC_TYPE4[7:0]
Used to program the SDID for ancillary data
detection at ANC_DETECT output. Should be
set to zero if no SDID is present in the ancillary
data packet to be detected.
R/W
0
ANC_TYPE 5
Address: 0Eh
15-8
ANC_TYPE5[15:8]
Used to program the DID for ancillary data
detection at ANC_DETECT output
R/W
0
7-0
ANC_TYPE5[7:0]
Used to program the SDID for ancillary data
detection at ANC_DETECT output. Should be
set to zero if no SDID is present in the ancillary
data packet to be detected.
R/W
0
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