w83194br-372 Winbond Electronics Corp America, w83194br-372 Datasheet - Page 13

• Manufacturer Part Number: w83194br-372
• Description: Clock Generator For Sis 746/748 Chipsets
• Manufacturer: Winbond Electronics Corp America

7.12 Register 11: Spread Spectrum Programming (Default: 0Eh)
7.13 Register 12: Divisor and Step-less Enable Control (Default: 88h)
BIT
BIT
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
SP_DOWN [3]
SP_DOWN [2]
SP_DOWN [1]
SP_DOWN [0]
SP_UP [3]
SP_UP [2]
SP_UP [1]
SP_UP [0]
Reserved
Reserved
Reserved
NAME
NAME
DS4
DS3
DS2
DS1
DS0
PWD
PWD
0
0
0
0
1
1
1
0
1
0
0
0
1
0
0
0
Spread Spectrum Up Counter bit 3 ~ bit 0.
Spread Spectrum Down Counter bit 3 ~ bit 0
2’s complement representation.
Ex: 1 -> 1111; 2 -> 1110; 7 -> 1001; 8 -> 1000
Reserved
Reserved
Defined the CPU, ZCLK, AGP, PCI divider ratio
- 10 -
DESCRIPTION
DESCRIPTION
W83194BR-372