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GS2972 Datasheet, PDF (40/125 Pages) Semtech Corporation – 3G/HD/SD-SDI Serializer with Complete SMPTE Audio & Video Support
1716 Total Horizontal Clocks per line
Data
Enable
276
124
1440 Clocks for Active Video
38
114 clocks
HSYNC
Field 1: 22 Vertical Blanking Lines
Data
Enable
38
1716 clocks
HSYNC
524 525 1 2 3 4 5
67
89
VSYNC
240 Active Vertical Lines per field
238
21 22
261 262 263
Field 2: 23 Vertical Blanking Lines
240 Active Vertical Lines per field
Data
Enable
38
HSYNC
1716 clocks 858
261 262 263 264 265 266 267 268 269 270 271
238
284 285
524 525 1
VSYNC
Figure 4-11: H:V:DE Input Timing 720 (1440) x 480i @ 59.94/60 (Format 6&7)
1980 Total Horizontal Clocks per line
Data
Enable
700
40
440
1280 Clocks for Active Video
220 clocks
HSYNC
Progressive Frame: 30 Vertical Blanking Lines
720 Active Vertical Lines
Data
Enable
440
HSYNC
1980 clocks
745 746 747 748 749 750 1 2 3 4 5 6 7
VSYNC
260
25 26
745 746
750
Figure 4-12: H:V:DE Input Timing 1280 x 720p @ 50 (Format 19)
GS2972 3G/HD/SD-SDI Serializer with Complete
SMPTE Audio & Video Support
Final Data Sheet Rev. 9
GENDOC-047479 September 2013
www.semtech.com
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