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GS2970A Datasheet(PDF) 50 Page - Semtech Corporation |
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GS2970A Datasheet(HTML) 50 Page - Semtech Corporation |
50 / 150 page GS2970A 3Gb/s, HD, SD SDI Receiver Data Sheet 54244 - 2 September 2012 50 of 150 Figure 4-14:H:V:F Output Timing - HD 20-bit Output Mode Figure 4-15:H:V:F Output Timing - HD 10-bit Output Mode Figure 4-16:H:V:F Output Timing - SD 20-bit Output Mode Figure 4-17:H:V:F Output Timing - SD 10-bit Output Mode 4.12.1 CEA-861 Timing Generation The GS2970A is capable of generating CEA 861 timing instead of SMPTE HVF timing for all of the supported video formats. This mode is selected when the TIM_861 pin is HIGH. Horizontal sync (HSYNC), Vertical sync (VSYNC), and Data Enable (DE) timing are output on the STAT[2:0] pins by default. Table 4-9 shows the CEA-861 formats supported by the GS2970A: P C LK L U M A D A T A IN P U T C HR OM A DA T A IN P U T H X Y Z (EAV) 000 00 0 3F F 000 00 0 3F F V F 000 00 0 3FF 000 00 0 3FF X Y Z (EAV) X Y Z (SAV) X Y Z (SAV) H S IG NAL T IM IN G : H_ C ONF IG = L O W H _ C ONF IG = H IG H HV F T IM IN G AT S AV 000 00 0 3FF 3F F 00 0 000 P C LK M U L T IP L E XED Y'Cb C r D A T A IN P U T H V F HV F T IM IN G AT EAV P C LK 00 0 000 3FF 3F F X Y Z (EAV) 000 00 0 M U L T IP L E XED Y'Cb C r D A T A IN P U T H V F X Y Z (EAV) XY Z (SAV) X Y Z (SAV) P C LK C H R O M A D A T A IN PU T LU M A D A T A IN P U T H 000 3F F X Y Z (EAV) 000 V F 000 3FF 00 0 H S IG NAL T IM IN G : H_ C ONF IG = L O W H _ C ONF IG = H IG H X Y Z (SAV) M U L T IP L E XE D Y'Cb C r D A T A INPUT P C LK H V F X Y Z (EAV) 00 0 00 0 3F F 00 0 00 0 3F F X Y Z (SAV) H S IG NAL T IM IN G : H_ C ONF IG = L O W H _ C ONF IG = H IG H |
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