Texas Instruments TMS320C64x DSP - Manual (Page 69)

BT.656 Video Capture Mode
3-7 Video Capture Port SPRU629
Figure 3–1. Video Capture Parameters
Capture Image
Ystart
Xstart
Ystop
Xstop
Field 1
Capture Image
Ystart
Xstart
Ystop
Xstop
Field 2
Hcount=0
Ycount=1
Ycount=1
Table 3–5 shows common digital camera standards and the number of fields
per second, number of active lines per field, and the number of active pixels
per line.
Table 3–5. Common Video Source Parameters
Video Source
Number of Active Lines
(Field 1/Field 2) Number of Active Pixels Field Rate (Hz)
square pixel
60Hz/525 lines 240/240 640 60
BT.601
60 Hz/525 lines 244/243 720 60
square pixel
50Hz/625 lines 288/288 768 50
BT.601
50 Hz/625 lines 288/288 720 50