參數(shù)資料
型號(hào): CH7008A-T
廠商: Electronic Theatre Controls, Inc.
英文描述: Digital PC to TV Encoder Features
中文描述: 數(shù)字電視編碼器電腦功能
文件頁(yè)數(shù): 40/49頁(yè)
文件大?。?/td> 341K
代理商: CH7008A-T
CHRONTEL
Register Descriptions
(continued)
CH7008A
40
201-0000-027 Rev 2.2, 9/30/99
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
18H
19H
1AH
1BH
1CH
1DH
1EH
1FH
Contents
FSCI[31:28]
FSCI[27:24]
FSCI[23:20]
FSCI[19:16]
FSCI[15:12]
FSCI[11:8]
FSCI[7:4]
FSCI[3:0]
Table 22. Clock Output Selection
SCO[2:0]
000
001
010
011
100
101
110
111
Buffered Clock Output
14MHz crystal
(for test use only)
VCO divided by K3 (see
Table 23
)
Field ID signal
(for test use only)
(for test use only)
TV horizontal sync (for test use only)
TV vertical sync (for test use only)
Table 23. K3 Selection
SHF[2:0]
000
010
011
100
101
110
111
K3
2.5
3.5
4
4.5
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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