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V F
5
1
1
Line
VRST=0
1
0
525
1
262
VCOUNT
Field 1 Blanking
Field 2 Blanking
Field 1 Active
Field 2 Active
Field
1
FINV=0
FINV=1
Field
2
1
1
1
1
0
1
0
1
4
3
2
1
2
3
4
5
19
20
21
0
1
0
0
0
0
19
20
21
263
0
0
264
0
1
265
0
1
266
1
1
267
1
1
282
1
1
283
1
0
284
1
0
524
1
0
525
1
0
1
1
1
263
1
2
3
4
19
20
21
261
262
1
VRST=1
VCOUNT
Field
FINV=0
FINV=1
Field
244
243
2
245
246
247
248
1
2
1
1
2
2
1
1
2
2
1
262
1
2
2
1
1
2
244
245
246
247
248
263
1
2
242
243
244
1
2
2
1
2
1
BT.656 and Y/C Mode Field and Frame Operation
VMode 2 and VMode 3 are used for BT.656 or Y/C capture without embedded EAV/SAV codes and allow
alignment with either the active or inactive edge of the vertical control signal on VCTL2. This can be a
VBLNK or VSYNC signal from the video decoder.
Figure 3-4. VCOUNT Operation Example (EXC = 0)
Video Capture Port
54
SPRUEM1 – May 2007