CH7006C Datasheet, PDF (43/49 Pages) List of Unclassifed Manufacturers – Digital PC to TV Encoder Features

CHRONTEL
Register Descriptions (continued)
CH7006C
When the CH7006 is operating in the master clock mode, the tables below should be used to set the FSCI registers.
When using these values, the ACIV bit in register 21H should be set to “0” and the CFRB bit in register 06H should
be set to “1” .
Table 27. FSCI Values (NTSC Modes)
Mode
NTSC
“Normal Dot Crawl”
2
763,363,328
3
623,153,737
6
574,429,782
7
463,962,517
10
646,233,505
11
516,986,804
12
452,363,454
16
623,153,737
17
545,259,520
18
508,908,885
22
521,957,831
23
469,762,048
24
428,554,851
26
569,408,543
28
1,073,741,824
NTSC
“No Dot Crawl”
763,366,524
623,156,346
574,432,187
463,964,459
646,236,211
5165,988,968
452,365,347
623,156,346
545,261,803
508,911,016
521,960,016
469,764,015
438,556,645
569,410,927
1,073,746,319
PAL-M
“Normal Dot Crawl
762,524,467
622,468,953
573,798,541
463,452,668
645,523,358
516,418,687
451,866,351
622,468,953
544,660,334
508,349,645
521,384,251
469,245,826
428,083,911
568,782,819
1,072,561,888
Table 28. FSCI Values (PAL Modes)
Mode
PAL
“Normal Dot Crawl”
0
806,021,060
1
644,816,848
4
601,829,058
5
485,346,014
8
677,057,690
9
537,347,373
13
806,021,060
14
644,816,848
15
537,347,373
19
645,499,916
20
528,951,320
21
488,262,757*
25
705,268,427
27
1,073,747,879
PAL-N
“Normal Dot Crawl”
651,209,077
520,967,262
486,236,111
392,125,896
547,015,625
434,139,385
651,209,077
520,967,262
434,139,385
521,519,134
427,355,957
394,482,422
569,807,942
867,513,766
When the CH7006 is operating in the slave clock mode, the ACIV bit in register 21H should be set to “1”and the
CFRB bit in register 06H should be set to “0”.
*Note: For reduced cross-color and cross-luminance artifacts, a value of 488,265,597 can be used with CFRB = "0"
& ACIV = "0".
201-0000-026 Rev 2.1, 8/2/99
43