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TW2864D Datasheet(PDF) 22 Page - Renesas Technology Corp |
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TW2864D Datasheet(HTML) 22 Page - Renesas Technology Corp |
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22 / 110 page  TW2864 FN7745 Rev. 0.00 Page 22 of 110 September 28, 2012 TABLE 2. HSCALE AND VSCALE VALUE FOR SOME POPULAR VIDEO FORMATS SCALING RATIO FORMAT TOTAL RESOLUTION OUTPUT RESOLUTION HSCALE VALUES VSCALE (FRAME) 1:1 NTSC SQ NTSC CCIR601 PAL SQ PAL CCIR601 780x525 858x525 944x625 864x625 640x480 720x480 768x576 720x576 0x0100 0x0100 0x0100 0x0100 0x0100 0x0100 0x0100 0x0100 2:1 (CIF) NTSC SQ NTSC CCIR601 PAL SQ PAL CCIR601 390x262 429x262 472x312 432x312 320x240 360x240 384x288 360x288 0x0200 0x0200 0x0200 0x0200 0x0200 0x0200 0x0200 0x0200 4:1 (QCIF) NTSC SQ NTSC CCIR601 PAL SQ PAL CCIR601 195x131 214x131 236x156 216x156 160x120 180x120 192x144 180x144 0x0400 0x0400 0x0400 0x0400 0x0400 0x0400 0x0400 0x0400 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 -40 -35 -30 -25 -20 -15 -10 -5 0 Fsig/Fsample HFLT[1:0]=1 HFLT[1:0]=2 HFLT[1:0]=3 FIGURE 8. HORIZONTAL SCALER PRE-FILTER CURVES |
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