English
Language : 

GS2972 Datasheet, PDF (39/125 Pages) Semtech Corporation – 3G/HD/SD-SDI Serializer with Complete SMPTE Audio & Video Support
1660 Total Horizontal Clocks per line
Data
Enable
370
40
1280 Clocks for Active Video
110
220 clocks
HSYNC
Progressive Frame: 30 Vertical Blanking Lines
720 Active Vertical Lines
Data
Enable
110
HSYNC
1650 clocks
745 746 747 748 749 750 1 2 3 4 5 6 7
260
25 26
745 746
750
VSYNC
Figure 4-9: H:V:DE Input Timing 1280 x 720p @ 59.94/60 (Format 4)
2200 Total Horizontal Clocks per line
Data
Enable
280
44
1920 Clocks for Active Video
88
148 clocks
HSYNC
Field 1: 22 Vertical Blanking Lines
Data
Enable
88
HSYNC
2200 clocks
1123 1124 1125 1 2 3 4 5 6 7 8
VSYNC
540 Active Vertical Lines per field
192
19 20 21
560 561 562
Field 2: 23 Vertical Blanking Lines
Data
Enable
88
HSYNC
2200 clocks
1100
560 561 562 563 564 565 566 567 568 569 570
VSYNC
540 Active Vertical Lines per field
192
582 583 584
1123 1124 1125
Figure 4-10: H:V:DE Input Timing 1920 x 1080i @ 59.94/60 (Format 5)
GS2972 3G/HD/SD-SDI Serializer with Complete
SMPTE Audio & Video Support
Final Data Sheet Rev. 9
GENDOC-047479 September 2013
www.semtech.com
39 of 125