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CHRONTEL
CH7013A
201-0000-041
Rev. 1.0,
6/14/2000
21
Figure 12: Interlaced PAL Video Timing
621
622
623
624
625
1
2
3
4
5
6
7
620
621
622
623
624
625
1
2
3
4
5
6
7
620
309
310
311
312
313
314
315
316
317
318
319
320
323
308
322
309
310
311
312
313
314
315
316
317
318
319
320
308
START
OF
VSYNC
ANALOG
FIELD 1
ANALOG
FIELD 2
ANALOG
FIELD 3
ANALOG
FIELD 4
BURST
BLANKING
PAL SWITCH = 0, +V COMPONENT
BURST PHASE = REFERENCE PHASE = 135 RELATIVE TO U
°
PAL SWITCH = 1, -V COMPONENT
BURST PHASE = REFERENCE PHASE+90 = 225 RELATIVE TO U
°
°
8
9
10
321
8
9
10
323
322
321
621
622
623
624
625
1
2
3
4
5
6
7
620
621
622
623
624
625
1
2
3
4
5
6
7
620
309
310
311
312
313
314
315
316
317
318
319
320
323
308
322
309
310
311
312
313
314
315
316
317
318
319
320
308
START
OF
VSYNC
ANALOG
FIELD 1
ANALOG
FIELD 2
ANALOG
FIELD 3
ANALOG
FIELD 4
BURST
BLANKING
PAL SWITCH = 0, +V COMPONENT
BURST PHASE = REFERENCE PHASE = 135 RELATIVE TO U
°
PAL SWITCH = 1, -V COMPONENT
BURST PHASE = REFERENCE PHASE+90 = 225 RELATIVE TO U
°
°
8
9
10
321
8
9
10
323
322
321
INTERVALS
4
3
2
1