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ADV7341 数据表(PDF) 94 Page - Analog Devices |
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ADV7341 数据表(HTML) 94 Page - Analog Devices |
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94 / 108 page ![]() ADV7340/ADV7341 Data Sheet Rev. C | Page 94 of 108 VIDEO STANDARDS Figure 133. EAV/SAV Input Data Timing Diagram (SMPTE 274M) Figure 134. EAV/SAV Input Data Timing Diagram (SMPTE 293M) Figure 135. SMPTE 293M (525p) 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 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* VERTICAL BLANK 522 523 524 525 1 2 5 6 7 8 9 12 13 14 15 16 42 43 44 ACTIVE VIDEO ACTIVE VIDEO |
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