GS2971A Datasheet, PDF (57/152 Pages) Gennum Corporation – Integrated audio clock generator

1728 Total Horizontal Clocks per line
Data
Enable
288
126
24
1440 Clocks for Active Video
138 clocks
HSYNC
Field 1: 24 Vertical Blanking Lines
Data
Enable
24
HSYNC
1728 clocks
623 624 625 1 2 3 4 5 6 7
VSYNC
288 Active Vertical Lines per field
264
22 23
310 311 312
Field 2: 25 Vertical Blanking Lines
288 Active Vertical Lines per field
Data
Enable
24
HSYNC
1728 clocks
864
310 311 312 313 314 315 316 317 318 319 320
264
335 336
623 624 625
VSYNC
Figure 4-24:H:V:DE Output Timing 720 (1440) x 576 @ 50 (Format 21 & 22)
2200 Total Horizontal Clocks per line
Data
Enable
280
44
1920 Clocks for Active Video
88
148 clocks
HSYNC
Progressive Frame: 45 Vertical Blanking Lines
1080 Active Vertical Lines
Data
Enable
88
HSYNC
2200 clocks
1121 1122 1123 1124 1125 1 2 3 4 5 6 7
VSYNC
192
41 42
1121 1122 1123 1124 1125
Figure 4-25:H:V:DE Output Timing 1920 x 1080p @ 59.94/60 (Format 16)
GS2971A 3Gb/s, HD, SD SDI Receiver
Data Sheet
54311 - 2
September 2012
57 of 152