參數(shù)資料
型號: CH7007A
廠商: Electronic Theatre Controls, Inc.
英文描述: DIGITAL PC TO TV ENCODER WITH MACROVISION
中文描述: 電腦數(shù)字電視編碼器和通過Macrovision
文件頁數(shù): 40/49頁
文件大?。?/td> 278K
代理商: CH7007A
CHRONTEL
Register Descriptions
(continued)
CH7007A
40
201-0000-002 Rev. 2.7, 08/23/2000
Subcarrier Value Registers
Symbol: FSCI
Address: 18H - 1FH
Bits: 4 or 8 each
The lower four bits of registers 18H through 1FH contain a 32-bit value which is used as an increment value for the
ROM address generation circuitry. The bit locations are specified as the following:
Register
Contents
18H
FSCI[31:28]
19H
FSCI[27:24]
1AH
FSCI[23:20]
1BH
FSCI[19:16]
1CH
FSCI[15:12]
1DH
FSCI[11:8]
1EH
FSCI[7:4]
1FH
FSCI[3:0]
Table 22. Clock Output Selection
SCO[2:0]
Buffered Clock Output
000
001
010
14MHz crystal
(for test use only)
VCO divided by K3 (see
Table23
)
011
100
101
Field ID signal
(for test use only)
(for test use only)
110
111
TV horizontal sync (for test use only)
TV vertical sync (for test use only)
Table 23. K3 Selection
SHF[2:0]
000
K3
2.5
010
011
100
3.5
4
4.5
101
110
111
5
6
7
Bit:
Symbol:
Type:
Default:
7
6
5
4
3
FSCI#
2
FSCI#
1
FSCI#
0
FSCI#
R/W
R/W
R/W
R/W
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