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STV0672 датащи(PDF) 32 Page - STMicroelectronics |
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STV0672 датащи(HTML) 32 Page - STMicroelectronics |
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32 / 105 page ![]() VV5410 & VV6410 Digital Video Interface Format cd5410-6410f-3-0.fm Commercial in confidence 32/105 1. A start of field line 2. A number of black lines 3. A number of blank (or dark) lines 4. A number active video lines 5. An end of field line 6. A number of blank or black lines Table 14 details the number of each type of data lines for NTSC, PAL, CIF and QCIF output formats. Each line of data starts with an embedded control sequence that identifies the line type (as outlined in Table 14). The control sequence is then followed by two bytes that contain a coded line number. The line number sequences starts with the start-of-frame line at 00H and increments one per line up until the end-of-frame line. Each line is terminated with an end-of-line embedded control sequence. The line start embedded sequences must be used to recognise visible video lines as a number of null bytes may be inserted between successive data lines. There are a series of figures (Figure 14 - Figure 25) on the following pages that show line type construction of the fields in each Video Format NTSC PAL CIF QCIF VP3 mode On Off On Off On Off On Off Extra Black Lines On Off N/A On Off N/A On Off N/A On Off N/A 1st Field Start of Field Line 1 1 1 1 1 1 1 1 1 1 1 1 Black Lines 8 2 8 8 2 16 8 2 16 8 2 8 Blanking Lines 1 7 0 1 7 0 1 7 0 1 7 0 Dark Lines 0 0 8 0 0 2 0 0 10 0 0 2 Active Video lines 244 244 244 292 292 292 292 292 292 148 148 148 End of Field Line 1 1 1 1 1 1 1 1 1 1 1 1 Blanking Lines 0 7 0 0 9 0 0 17 0 0 1 0 Black Lines 7 0 0 9 0 0 17 0 0 1 0 0 Total 262 262 262 312 312 312 320 320 320 160 160 160 2nd Field Start of Field Line 1 1 1 1 1 1 1 1 1 1 1 1 Black Lines 8 2 8 8 2 16 8 2 16 8 2 8 Blanking Lines 1 7 0 1 7 0 1 7 0 1 7 0 Dark Lines 0 0 8 0 0 2 0 0 10 0 0 2 Active Video lines 244 244 244 292 292 292 292 292 292 148 148 148 End of Field Line 1 1 1 1 1 1 1 1 1 1 1 1 Blanking Lines 0 8 0 0 10 0 0 17 0 0 1 0 Black Lines 8 0 1 10 0 1 17 0 0 1 0 0 Total 263 263 263 313 313 313 320 320 320 160 160 160 Table 14 : Field and Frame Formats |
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