GS2971A Datasheet, PDF (55/152 Pages) Gennum Corporation – Integrated audio clock generator

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
VSYNC
238
284 285
524 525 1
Figure 4-21:H:V:DE Output Timing 720 (1440) x 480i @ 59.94/60 (Format 6&7)
1980 Total Horizontal Clocks per line
Data
Enable
700
40
440
HSYNC
1280 Clocks for Active Video
220 clocks
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 4-22:H:V:DE Output Timing 1280 x 720p @ 50 (Format 19)
GS2971A 3Gb/s, HD, SD SDI Receiver
Data Sheet
54311 - 2
September 2012
55 of 152