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GS9062-CFE3 数据表(PDF) 27 Page - Gennum Corporation |
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GS9062-CFE3 数据表(HTML) 27 Page - Gennum Corporation |
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27 / 46 page ![]() GS9062 Data Sheet 22209 - 7 February 2007 27 of 46 3.6.2.1 Video Standard Indication The video standard codes reported in the VD_STD[4:0] bits of the VIDEO_STANDARD register represent the SMPTE standards as shown in Table 3-4. In addition to the 5-bit video standard code word, the VIDEO_STANDARD register also contains an additional status bit. The STD_LOCK bit will be set HIGH whenever the flywheel has achieved full synchronization. The VD_STD[4:0] and STD_LOCK bits of the VIDEO_STANDARD register will default to zero after device reset. The VD_STD[4:0] bits will also default to zero if the SMPTE_BYPASS pin is asserted LOW or if the LOCKED output is LOW. The STD_LOCK bit will retain its previous value if the PCLK is removed. Table 3-3: Host Interface Description for Raster Structure Registers Register Name Bit Name Description R/W Default RASTER_STRUCTURE1 Address: 0Eh 15-12 Not Used 11-0 RASTER_STRUCTURE_1[11:0] Words Per Active Line R 0 RASTER_STRUCTURE2 Address: 0Fh 15-12 Not Used 11-0 RASTER_STRUCTURE_2[11:0] Words Per Total Line. R 0 RASTER_STRUCTURE3 Address: 10h 15-11 Not Used 10-0 RASTER_STRUCTURE_3[10:0] Total Lines Per Frame R 0 RASTER_STRUCTURE4 Address: 11h 15-11 Not Used 10-0 RASTER_STRUCTURE_4[10:0] Active Lines Per Field R 0 Table 3-4: Supported Video Standards VD_STD[4:0] SMPTE Standard Video Format Length of HANC Length of Active Video Total Samples SMPTE352M Lines 16h 125M 1440x487/60 (2:1) (Or dual link progressive) 268 1440 1716 3, 276 17h 125M 1440x507/60 (2:1) 268 1440 1716 3, 276 19h 125M 525-line 487 generic – – 1716 3, 276 1Bh 125M 525-line 507 generic – – 1716 3, 276 18h ITU-R BT.656 1440x576/50 (2:1) (Or dual link progressive) 280 1440 1728 9, 322 1Ah ITU-R BT.656 625-line generic (EM) – – 1728 9, 322 1Eh Unknown SD – – – – – 00h-15h, 1Ch, 1Fh Reserved |
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