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GS9092A Datasheet(PDF) 42 Page - Semtech Corporation |
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GS9092A Datasheet(HTML) 42 Page - Semtech Corporation |
42 / 61 page GS9092A GenLINX® III 270Mb/s Serializer for SDI and DVB-ASI Final Data Sheet 34715 - 5 February 2013 42 of 61 The validity or ‘V’ bits of the incoming EDH packet will also be set to ‘1’ to denote that the CRC calculations are valid. The EDH packet checksum word is also re-calculated and re-inserted. When incoming EDH packets are updated, the location of the packets within the video stream remains unchanged. EDH packets that are to be updated can be present anywhere within the horizontal blanking region of the vertical blanking period. Table 3-7: Host Interface Description for EDH Calculation Range Registers Register Name Bit Name Description R/W Default AP_LINE_START_F0 Address: 15h 15-11 – Not Used –– 10-0 AP_LINE_START_F0[10:0] 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: 16h 15-11 – Not Used –– 10-0 AP_LINE_END_F0[10:0] 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: 17h 15-11 – Not Used –– 10-0 AP_LINE_START_F1[10:0] Field 1 Active Picture start line data used to set EDH calculation range outside of SMPTE RP 165 values. R/W 0 AP_LINE_END_F1 Address: 18h 15-11 – Not Used –– 10-0 AP_LINE_END_F1[10:0] 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: 19h 15-11 – Not Used –– 10-0 FF_LINE_START_F0[10:0] 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: 1Ah 15-11 – Not Used –– 10-0 FF_LINE_END_F0[10:0] Field 0 Full Field end line data used to set EDH calculation range outside of SMPTE RP 165 values. R/W 0 FF_LINE_START_F1 Address: 1Bh 15-11 – Not Used –– 10-0 FF_LINE_START_F1[10:0] Field 1 Full Field start line data used to set EDH calculation range outside of SMPTE RP 165 values. R/W 0 FF_LINE_END_F1 Address: 1Ch 15-11 – Not Used –– 10-0 FF_LINE_END_F1[10:0] Field 1 Full Field end line data used to set EDH calculation range outside of SMPTE RP 165 values. R/W 0 |
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