w83194br-sd Winbond Electronics Corp America, w83194br-sd Datasheet - Page 12

• Manufacturer Part Number: w83194br-sd
• Description: Winbond Clock Generator For Intel P4 Springdale Series Chipset
• Manufacturer: Winbond Electronics Corp America

7.3
7.4
7.5
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
Register 2: PCI Clock (1 = Enable, 0 = Disable) (Default = FFH)
Register 3: PCI, 3V66 Clock (1 = Enable, 0 = Disable) (Default = EFH)
Register 4: 24_48 MHz, REF Control (1 = Enable, 0 = Disable) (Default =FCH)
CLOCK GEN. FOR INTEL P4 SPRINGDALE/PRESCOTT SERIES CHIPSET
24_48 MHz
VCH_EN
Reserve
Reserve
PCI_F2
PCI_F1
PCI_F0
3V66_3
3V66_2
3V66_1
3V66_0
MODE1
MODE0
NAME
DOT48
PCI_5
PCI_4
NAME
USB48
NAME
PCI3
PCI2
PCI1
PCI0
REF2
REF1
REF0
PWD
PWD
PWD
X
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
Pin 10 PCI_F2 output control
Pin 9 PCI_F1 output control
Pin 8 PCI_F0 output control
Reserved
Pin 20 PCI5 output control
Pin 19 PCI4 output control
Reserved
Pin 16 PCI3 output control
Pin 15 PCI2 output control
Pin 14 PCI1 output control
Pin 13 PCI0 output control
Pin 26 3V66_3 / VCH output select
1: VCH output, 0: 3V66 output (Default)
Default value follow hardware trapping data on VCH_EN
Pin 26 3V66_3 / VCH output control
Pin 27 3V66_2 output control
Pin 30 3V66_1 output control
Pin 31 3V66_0 output control
Pin 23 DOT48 output control
Pin 22 USB48 output control
Pin 3 REF2 output control
Pin 2 REF1 output control
Pin 1 REF0 output control
Pin 21 24_48 MHz output control
Clock output mode selection
Refer to Table-1
W83194BR-SD/W83194BG-SD
- 8 -
DESCRIPTION
DESCRIPTION
DESCRIPTION
&
pin 26.