w83194r-81 Winbond Electronics Corp America, w83194r-81 Datasheet - Page 9

• Manufacturer Part Number: w83194r-81
• Description: 100mhz Clock Chipset
• Manufacturer: Winbond Electronics Corp America

8.3.1 Register 0: CPU Frequency Select Register
Frequency table selection by software via I
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
SSEL3
Bit
7
6
5
4
3
2
1
0
@PowerUp
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
SSEL2
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
SSEL1
Pin
-
-
-
-
-
-
-
-
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
SSEL0
0 = ¡Ó0.25% Spread Spectrum Modulation
1 = ¡Ó0.5% Spread Spectrum Modulation
SSEL2 ( Frequency table selection by software via I
SSEL1 ( Frequency table selection by software via I
SSEL0 ( Frequency table selection by software via I
0 = Selection by hardware
1 = Selection by software I
SSEL3 (Frequency table selection by software via I
0 = Normal
1 = Spread Spectrum enabled
0 = Running
1 = Tristate all outputs
66.70
90
95.25
100.2
100
112
124
133.3
66.8
75
83.3
95.25
100.2
112
124
133.3
- 9 -
(MHz)
CPU
2
C
100.05
90
63.4
66.8
75
74.7
82.7
88.9
66.8
75
83.3
95.25
100.2
112
124
133.3
SDRAM
(MHz)
Description
2
C - Bit 6:4 and Bit2
Publication Release Date: Dec. 1998
33.35
30
31.7
33.4
30
37.3
31
33.3
33.4
30
33.32
31.7
33.4
37.3
31
33.3
(MHz)
PCI
W83194R-81
PRELIMINARY
REF (MHz)
IOAPIC
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
2
2
2
2
C )
Revision 0.20
C)
C)
C)