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ADV7342 Scheda tecnica(PDF) 85 Page - Analog Devices |
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ADV7342 Scheda tecnica(HTML) 85 Page - Analog Devices |
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85 / 88 page ![]() ADV7342/ADV7343 Rev. 0 | Page 85 of 88 APPENDIX 8—VIDEO STANDARDS F V H* F F 272T 4T *1 4T 1920T EAV CODE SAV CODE DIGITAL ACTIVE LINE 4 CLOCK 4 CLOCK 2112 2116 2156 2199 0 44 188 192 2111 0 0 0 0 0 0 0 0 F F F V H* C b C r C r Y Y FVH* = FVH AND PARITY BITS SAV/EAV: LINE 1–562: F = 0 SAV/EAV: LINE 563–1125: F = 1 SAV/EAV: LINE 1–20; 561–583; 1124–1125: V = 1 SAV/EAV: LINE 21–560; 584–1123: V = 0 FOR A FRAME RATE OF 30Hz: 40 SAMPLES FOR A FRAME RATE OF 25Hz: 480 SAMPLES INPUT PIXELS ANALOG WAVEFORM SAMPLE NUMBER SMPTE 274M DIGITAL HORIZONTAL BLANKING ANCILLARY DATA (OPTIONAL) OR BLANKING CODE 0HDATUM Figure 134. EAV/SAV Input Data Timing Diagram (SMPTE 274M) Y EAV CODE ANCILLARY DATA (OPTIONAL) SAV CODE DIGITAL ACTIVE LINE 719 723 736 799 853 0 FVH* = FVH AND PARITY BITS SAV: LINE 43–525 = 200H SAV: LINE 1–42 = 2AC EAV: LINE 43–525 = 274H EAV: LINE 1–42 = 2D8 4 CLOCK 4 CLOCK 857 719 0HDATUM DIGITAL HORIZONTAL BLANKING 0 0 0 0 0 0 0 0 C b C r C r Y Y F V H* SMPTE 293M INPUT PIXELS ANALOG WAVEFORM SAMPLE NUMBER F F F F F V H* Figure 135. EAV/SAV Input Data Timing Diagram (SMPTE293M) VERTICAL BLANK 522 523 524 525 1256 789 12 13 14 15 16 42 43 44 ACTIVE VIDEO ACTIVE VIDEO Figure 136. SMPTE 293M (525p) |
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