W83194R Winbond Electronics Corp America, W83194R Datasheet - Page 8

• Manufacturer Part Number: W83194R
• Description: Description = 166MHz SiS540/630 Clock Gen., 3-DIMM, With S.S.T. ;; Package = Ssop 48
• Manufacturer: Winbond Electronics Corp America

Frequency table by I2C
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
8.2.1 Register 0: CPU Frequency Select Register (default = 0)
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 = ±0.5% Center type Spread Spectrum Modulation
1 = ±0.75% Center type Spread Spectrum Modulation
SSEL2 (for frequency table selection by software via I
SSEL1 (for frequency table selection by software via I
SSEL0 (for frequency table selection by software via I
0 = Selection by hardware
1 = Selection by software I
SSEL3 (for frequency table selection by software via I
0 = Normal
1 = Spread Spectrum enabled
0 = Running
1 = Tristate all outputs
66.8
100.2
83.3
133.6
75
100.2
100.2
133.6
66.8
97
97
95.2
140
112
96.2
166
(MHz)
CPU
- 8 -
100.2
100.2
83.3
100.2
75
133.6
150.3
133.6
66.8
97
129.3
95.2
140
112
96.2
166
SDRAM
(MHz)
Description
2
C - Bit 2, 6:4
Publication Release Date:May. 2000
33.4
33.4
33.2
33.4
37.5
33.4
33.4
33.4
33.4
32.3
32.3
31.7
35
37.3
32.1
33.3
PCI (MHz)
W83194R-630A
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
Revision 1.0
2
2
2
2
C)
C)
C)
C)