w83194r-630a Winbond Electronics Corp America, w83194r-630a Datasheet - Page 8

• Manufacturer Part Number: w83194r-630a
• Description: 166mhz Clock For Sis Chipset
• Manufacturer: Winbond Electronics Corp America

8.2.2 Register 1 : CPU Clock Register (1 = Active, 0 = Inactive)
8.2.3 Register 2: PCI Clock Register (1 = Active, 0 = Inactive)
8.2.4 Register 3: Control Register (1 = Active, 0 = Inactive)
Bit
Bit
Bit
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
@PowerUp
@PowerUp
@PowerUp
x
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
x
1
1
1
1
1
1
Pin
Pin
43
45
46
14
13
12
11
9
8
7
-
-
-
-
-
-
Pin
26
25
48
2
-
-
-
-
Latched FS2#
Reserved
0 = 0.5% down type spread, overrides Byte0-bit7.
1= Center type spread.
Reserved
CPUCLK2 (Active / Inactive)
CPUCLK1 (Active / Inactive)
CPUCLK0 (Active / Inactive)
Reserved
Reserved
PCICLK6 (Active / Inactive)
PCICLK5 (Active / Inactive)
PCICLK4 (Active / Inactive)
PCICLK3 (Active / Inactive)
PCICLK2 (Active / Inactive)
PCICLK1 (Active / Inactive)
PCICLK0 (Active / Inactive)
1 Pin25 24_48MHz = 24MHz
Latched FS0#
48MHz (Active / Inactive)
24-48MHz (Active / Inactive)
Reserved
Reserved
REF1 (Active / Inactive)
REF0X2 (Active / Inactive)
0 Pin25 24_48MHz = 48MHz
- 8 -
Description
Description
Description
Publication Release Date: Nov. 1999
W83194R-630A
PRELIMINARY
Revision 0.65