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參數(shù)資料
| 型號(hào)： | W83194BR-640 |
| 英文描述： | Step-less Frequency SiS 633/635/640 Main Clock Gen. |
| 中文描述： | 步頻少矽統(tǒng)633/635/640主時(shí)鐘創(chuàng) |
| 文件頁數(shù)： | 10/13頁 |
| 文件大?。?/td> | 731K |
| 代理商： | W83194BR-640 |
W83194BR-250
6.2.10 Register 9: Spread Spectrum Programming Register
Bit
@PowerUp
Pin
Description
7
0
-
Spread spectrum up count 3
6
0
-
Spread spectrum up count 2
5
0
-
Spread spectrum up count 1
4
0
-
Spread spectrum up count 0
3
0
-
Spread spectrum down count 3
2
0
-
Spread spectrum down count 2
1
0
-
Spread spectrum down count 1
0
0
-
Spread spectrum down count 0
6.2.11 Register 10: Divisor and Step-less Enable Register
Bit
7
@PowerUp
0
Pin
-
Description
0: use frequency table
1: use M/N register to program frequency
The equation is
VCO freq. = 14.318MHz * (N+4)/ M
Reserved
Ratio SEL2
Ratio SEL1
Ratio SEL 0
CPU to AGP Skew 2
CPU to AGP Skew 1
CPU to AGP Skew 0
6
0
-
5
4
3
2
1
0
X
X
X
1
0
0
-
-
-
-
-
-
6.2.12 Register 11: Winbond Chip ID Register (Read Only)
Bit
@PowerUp
Pin
Description
7
6
5
4
3
2
1
0
0
1
1
0
0
0
1
0
-
-
-
-
-
-
-
-
Winbond Chip ID
Winbond Chip ID
Winbond Chip ID
Winbond Chip ID
Winbond Chip ID
Winbond Chip ID
Winbond Chip ID
Winbond Chip ID
Publication Release Date:April. 2002
- 10 - Revision 1.0
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