參數(shù)資料
型號： CH7012A
廠商： Electronic Theatre Controls, Inc.
英文描述： Chrontel CH7012 TV Output Device
中文描述： 昆泰CH7012電視輸出設(shè)備
文件頁數(shù)： 31/42頁
文件大小： 551K
代理商： CH7012A
201-0000-042 Rev. 1.1, 9/29/2000
31
CHRONTEL
Table 16: TV PLL M and N values vs Display Mode
CH7012A
Sub-carrier Value Register
Symbol:
FSCI
Address:
0Ch –
0Fh
Bits:
8 each
Registers FSCI contain a 32-bit value which is used as an increment value for the ROM address generation circuitry when
CIVEN=0. The bit locations are specified as follows:
Register
0Ch
0Dh
0Eh
0Fh
Contents
FSCI[31:24]
FSCI[23:16]
FSCI[15:8]
FSCI[7:0]
When the CH7012 is used in the master clock mode, the tables below should be used to set the FSCI registers.
When using these values, the CIVEN bit in register 10h should be set to ‘0’, and the CFRB bit in register 02h should
be set to ‘1’.
17
18
19
640x480, NTSC, 7:8
640x480, NTSC, 5:6
720x480, NTSC, 1:1
126
190
124
63
89
63
37
38
720x576, PAL, 1:1
720x480, NTSC, 1:1
31
31
33
33
BIT:
7
6
5
4
3
2
1
0
SYMBOL:
TYPE:
DEFAULT:
FSCI#
R/W
FSCI#
R/W
FSCI#
R/W
FSCI#
R/W
FSCI#
R/W
FSCI#
R/W
FSCI#
R/W
FSCI#
R/W
Table 17: FSCI Values (525-Line TV-Out Modes)
Mode
NTSC
“Normal Dot Crawl”
763,363,328
623,153,737
574,429,782
463,962,517
646,233,505
521,957,831
452,363,454
623,153,737
545,259,520
508,908,885
553,914,433
484,675,129
452,363,454
469,762,048
428,554,851
391,468,373
526,457,468
467,962,193
418,281,276
569,408,543
NTSC
“No Dot Crawl”
763,366,524
623,156,346
574,432,187
463,964,459
646,236,211
521,960,019
452,365,347
623,156,346
545,261,803
508,911,016
553,916,752
484,677,158
452,365,347
469,764,015
428,556,645
391,470,012
526,459,671
467,964,152
418,283,027
569,410,927
PAL-M
“Normal Dot Crawl”
762,524,467
622,468,953
573,798,541
463,452,668
645,523,358
521,384,251
451,866,351
622,468,953
544,660,334
508,349,645
553,305,736
484,142,519
451,866,351
469,245,826
428,083,911
391,038,188
525,878,943
467,447,949
417,821,626
568,782,819
2
3
6
7
10
11
12
16
17
18
19
20
21
28
29
30
34
35
36
38
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