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GS9060 Datasheet(PDF) 33 Page - Gennum Corporation |
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GS9060 Datasheet(HTML) 33 Page - Gennum Corporation |
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33 / 61 page ![]() GS9060 Data Sheet 22208 - 8 January 2007 33 of 61 3.7.4 HVF Timing Signal Generation The GS9060 extracts critical timing parameters from either the received TRS signals (FW_EN/DIS = LOW), or from the internal flywheel-timing generator (FW_EN/DIS = HIGH). Horizontal blanking period (H), vertical blanking period (V), and even / odd field (F) timing are all extracted and presented to the application layer via the H:V:F status output pins. The H signal timing is configurable via the H_CONFIG bit of the internal IOPROC_DISABLE register as either active line based blanking, or TRS based blanking, Section 3.10.6 on page 46. Active line based blanking is enabled when the H_CONFIG bit is set LOW. In this mode, the H output is HIGH for the entire horizontal blanking period, including the EAV and SAV TRS words. This is the default H timing used by the device. Table 3-3: Switch Line Position for Digital Systems System Video Format Sampling Signal Standard Parallel Interface Serial Interface Switch Line No. SDTI 720x576/50 (2:1) 4:2:2 BT.656 BT.656 + 305M 259M 6, 319 720x483/59.94 (2:1) 4:2:2 125M 125M + 305M 259M 10, 273 525 960x483/59.94 (2:1) 4:2:2 267M 267M 259M 10, 273 720x483/59.94 (2:1) 4:4:4:4 267M 347M 344M 10, 273 720x483/59.94 (2:1) 4:4:4:4 267M RP174 344M 10, 273 720x483/59.94 (2:1) 4:4:4:4 267M RP175 RP175 10, 273 720x483/59.94 (2:1) 4:2:2 125M 125M 259M 10, 273 720x483/59.94 (1:1) 4:2:2 293M 347M 344M 10 720x483/59.94 (1:1) 4:2:2 293M 293M 294M 10 720x483/59.94 (1:1) 4:2:0 293M 293M 294M 10 625 720x576/50 (1:1) 4:2:2 BT.1358 347M 344M 6 720x576/50 (1:1) 4:2:2 BT.1358 BT.1358 BT.1362 6 720x576/50 (1:1) 4:2:0 BT.1358 BT.1358 BT.1362 6 960x576/50 (2:1) 4:2:2 BT.601 BT.656 259M 6, 319 720x576/50 (2:1) 4:4:4:4 BT.799 347M 344M 6, 319 720x576/50 (2:1) 4:4:4:4 BT.799 BT.799 344M 6, 319 720x576/50 (2:1) 4:4:4:4 BT.799 BT.799 – 6, 319 720x576/50 (2:1) 4:2:2 BT.601 125M 259M 6, 319 |
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