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GS2970A Datasheet(PDF) 51 Page - Semtech Corporation |
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GS2970A Datasheet(HTML) 51 Page - Semtech Corporation |
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51 / 150 page  GS2970A 3Gb/s, HD, SD SDI Receiver Data Sheet 54244 - 2 September 2012 51 of 150 4.12.1.1 Vertical Timing When CEA861 timing is selected, the device outputs standards compliant CEA861 timing signals as shown in the figures below; for example 240 active lines per field for SMPTE 125M. The register bit TRS_861 is used to select DFP timing generator mode which follows the vertical blanking timing as defined by the embedded TRS code words. The timing of the CEA 861 timing reference signals can be found in the CEA 861 specifications. For information, they are included in the following diagrams. These diagrams may not be comprehensive. Table 4-9:Supported CEA-861 Formats Format CEA-861 Format VD_STD[5:0] 720(1440) x 480i @ 59.94/60Hz 6 & 7 16h, 17h, 19h, 1Bh 720(1440) x 576i @ 50Hz 21 & 22 18h, 1Ah 1280 x 720p @ 59.94/60Hz 4 20h, 00h 1280 x 720p @ 50Hz 19 24h, 04h 1920 x 1080i @ 59.94/60Hz 5 2Ah, 0Ah 1920 x 1080i @ 50Hz 20 2Ch, 0Ch 1920 x 1080p @ 29.97/30Hz 341 2Bh, 0Bh 1920 x 1080p @ 25Hz 332 2Dh, 0Dh 1920 x 1080p @ 23.98/24Hz 32 30h, 10h 1920 x 1080p @ 59.94/60Hz 161 2Bh 1920 x 1080p @ 50Hz 312 2Dh NOTES: 1,2: Timing is identical for the corresponding formats. Table 4-10:CEA861 Timing Formats Format Parameters 4 H:V:DE Input Timing 1280 x 720p @ 59.94/60Hz 5 H:V:DE Input Timing 1920 x 1080i @ 59.94/60Hz 6&7 H:V:DE Input Timing 720 (1440) x 480i @ 59.94/60Hz 19 H:V:DE Input Timing 1280 x 720p @ 50Hz 20 H:V:DE Input Timing 1920 x 1080i @ 50Hz 21&22 H:V:DE Input Timing 720 (1440) x 576 @ 50Hz 16 H:V:DE Input Timing 1920 x 1080p @ 59.94/60Hz 31 H:V:DE Input Timing 1920 x 1080p @ 50Hz |
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