w83194br-730 Winbond Electronics Corp America, w83194br-730 Datasheet - Page 8

• Manufacturer Part Number: w83194br-730
• Description: 166mhz Clock For Sis Chipset
• Manufacturer: Winbond Electronics Corp America

5.1 Register 0: Frequency Select Register
5.2 Register 1 : CPU Clock Register (1 = Active, 0 = Inactive)
5.3 Register 2: PCI, AGP Clock 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
0
0
0
0
0
0
0
0
1
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
Pin
Pin
27
26
45
46
47
17
16
13
12
11
10
9
8
-
-
-
Pin
-
-
-
-
-
-
-
-
CPUCS_C1$ free running control 1: stopped by CPU_STOP#
SDRAM11 (Active / Inactive)
0 = Normal
1 = Spread spectrum enable
0 = ±0.25% Center type Spread Spectrum Modulation
1= 0 ~ (-0.5%) Down type Spread Spectrum Modulation
SDRAM12 (Active / Inactive)
CPUCS_C1$(Active / Inactive)
CPUC0$ (Active / Inactive)
CPUT0$ (Active / Inactive)
AGPCLK1(Active / Inactive)
AGPCLK0(Active / Inactive)
PCICLK5 (Active / Inactive)
PCICLK4 (Active / Inactive)
PCICLK3 (Active / Inactive)
PCICLK2 (Active / Inactive)
PCICLK1 (Active / Inactive)
PCICLK0 (Active / Inactive)
SSEL5 ( Frequency table selection by software via I
SSEL4 ( Frequency table selection by software via I
SSEL3 ( Frequency table selection by software via I
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
0 = Running
1 = Tristate all outputs
- 8 -
Description
Description
2
Description
C - Bit (7:2)
0: Free running pin
Publication Release Date:Oct. 2000
W83194BR-730
PRELIMINARY
2
2
2
2
2
2
C )
C)
C)
C)
C)
C)
Revision 0.60