 480p 13.50 MHz 59.94 Hz Interlaced analog component video 864 X 480p is a 16:9 square pixel format, while 640 Analog component signals are comprised of three sig- 480p is a 4:3 square pixel format. Although the ideal 16:9 nals, analog R'G'B' or YPbPr. Referred to as 576i (since resolution is 854 X 480p, 864 X 480p supports the there are typically 576 active scan lines per frame and Video signals overview CHAPTER 7.3 LINE 1 (V 1) BLANKING LINE 45 (V 0) NUMBER ACTIVE VIDEO 45-524 LINE 525 (V = 1) H = 1 Figure 7.3-13 480p Digital Vertical Timing (480 Active Lines). V changes state at the EAV sequence at the beginning of the digital line. Note that the digital line number changes state prior to the start of horizontal sync, as shown in Figures 7.3-9 through 7.3-12. These active lines are used by the SMPTE RP-202, ATSC A/54, and ARIB STD-B32 standards. However, CEA-861 (DVI and HDMI timing) specifies lines 43x522 for active video. they are interlaced), the frame rate is usually 25 Hz for Progressive analog component video compatibility with PAL timing. The analog interface uses 625 lines per frame, with active video present on Analog component signals are comprised of three sig- lines 23-310 and 336-623, as shown in Figure 7.3-14. nals, analog R'G'B' or YPbPr. Referred to as 576p (since For the 25 Hz frame rate, each scan line time (H) is 64 there are typically 576 active scan lines per frame and us. Detailed horizontal timing is dependent on the spe- they are progressive), the frame rate is usually 50 Hz cific video interface used. for compatibility with PAL timing. The analog interface START VSYNC HSYNC HSYNC Figure 7.3-14 576i Vertical Interval Timing. CHAPTER 7.3 Video signals overview START VSYNC Figure 7.3-15 576p Vertical Interval Timing. uses 625 lines per frame, with active video present on 1024 X 576i is a 16:9 square pixel format, while lines 45-620, as shown in Figure 7.3-15. 768 X 576i is a 4:3 square pixel format. The 704 X 576i For the 50 Hz frame rate, each scan line time (H) format is done by using t