ch7004c Chrontel, ch7004c Datasheet - Page 19

• Manufacturer Part Number: ch7004c
• Description: Digital Pc To Tv Encoder With Macrovisiontm
• Manufacturer: Chrontel

CHRONTEL
201-0000-024 Rev. 2.4, 6/24/2004
B U RS T
B LA N KIN G
INTERVALS
B U R S T
B LA N K IN G
620
620
620
620
308
308
308
308
621
621
621
621
309
309
309
309
622
622
622
622
310
310
310
310
623
623
623
623
311
311
311
311
B U RS T P H AS E = R EFE R E NC E PH A SE = 135 R ELA TIVE TO U
P AL SW ITC H = 0, +V C O M P O N E NT
B U RS T P H AS E = R EFE R E NC E PH A SE + 90 = 225 R E LA TIV E TO U
P AL SW ITC H = 1, - V C O M P O N E N T
B U R S T P H AS E = R EFE R E N C E PH A SE = 135 R ELA TIVE TO U
P A L SW ITC H = 0, +V C O M P O N E N T
B U R S T P H AS E = R EFE R E N C E PH A SE + 90 = 225 R E LA TIV E TO U
P A L SW ITC H = 1, - V C O M P O N E N T
Figure 12: Interlaced PAL Video Timing
624
624
624
624
312
312
312
312
625
625
625
625
V SY N C
S TAR T
S TAR T
V SY N C
313
313
313
313
O F
O F
1
1
1
1
314
314
314
314
A N ALO G
FIE LD 1
A N ALO G
FIE LD 2
A N ALO G
FIE LD 3
A N ALO G
FIE LD 4
A N ALO G
FIE LD 1
A N ALO G
FIE LD 2
A N ALO G
FIE LD 3
A N ALO G
FIE LD 4
2
2
2
2
315
315
315
315
4
3
2
1
3
3
3
3
316
316
316
316
4
4
4
4
°
°
317
317
317
317
°
°
5
5
°
5
5
°
318
318
318
318
6
6
6
6
319
319
319
319
7
7
7
7
320
320
320
320
8
8
8
8
321
321
321
321
9
9
9
9
322
322
322
322
CH7004C
10
10
10
10
323
323
323
323
19