參數(shù)資料
型號(hào)： GS1560A
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(jìn)程- R的第二雙率解串器
文件頁數(shù)： 59/80頁
文件大小： 842K
代理商： GS1560A
GS1560A/GS1561 Data Sheet
27360 - 8
September 2005
59 of 80
If the received video format does not correspond to 525 or 625 digital component
video standards as determined by the flywheel pixel and line counters, then one of
two schemes for determining the EDH calculation ranges will be employed:
1. Ranges will be based on the line and pixel ranges programmed by the host
interface; or
2. In the absence of user-programmed calculation ranges, ranges will be
determined from the received TRS timing information.
The registers available to the host interface for programming EDH calculation
ranges include active picture and full field line start and end positions for both
fields.
Table 3-13
shows the relevant registers, which default to '0' after device
reset.
If any or all of these register values are zero, then the EDH CRC calculation ranges
will be determined from the flywheel generated H signal. The first active and full
field pixel will always be the first pixel after the SAV TRS code word. The last active
and full field pixel will always be the last pixel before the start of the EAV TRS code
words.
Table 3-13: Host Interface Description for EDH Calculation Range Registers
Register Name
Bit
Name
Description
R/W
Default
AP_LINE_START_F0
Address: 012h
15-10
–
Not Used.
–
–
9-0
AP_LINE_START_F0[9:0]
Field 0 Active Picture start line data used to set EDH
calculation range outside of SMPTE RP 165 values.
R/W
0
AP_LINE_END_F0
Address: 013h
15-10
–
Not Used.
–
–
9-0
AP_LINE_END_F0[9:0]
Field 0 Active Picture end line data used to set EDH
calculation range outside of SMPTE RP 165 values.
R/W
0
AP_LINE_START_F1
Address: 014h
15-10
–
Not Used.
–
–
9-0
AP_LINE_START_F1[9:0]
Field 1 Active Picture end line data used to set EDH
calculation range outside of SMPTE RP 165 values.
R/W
0
AP_LINE_END_F1
Address: 015h
15-10
–
Not Used.
–
–
9-0
AP_LINE_END_F1[9:0]
Field 1 Active Picture end line data used to set EDH
calculation range outside of SMPTE RP 165 values.
R/W
0
FF_LINE_START_F0
Address: 016h
15-10
–
Not Used.
–
–
9-0
FF_LINE_START_F0[9:0]
Field 0 Full Field start line data used to set EDH
calculation range outside of SMPTE RP 165 values.
R/W
0
FF_LINE_END_F0
Address: 017h
15-10
–
Not Used.
–
–
9-0
FF_LINE_END_F0[9:0]
Field 0 Full Field start line data used to set EDH
calculation range outside of SMPTE RP 165 values.
R/W
0
FF_LINE_START_F1
Address: 018h
15-10
–
Not Used.
–
–
9-0
FF_LINE_START_F1[9:0]
Field 1 Full Field start line data used to set EDH
calculation range outside of SMPTE RP 165 values.
R/W
0
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