w83195bg-101 Winbond Electronics Corp America, w83195bg-101 Datasheet - Page 12

• Manufacturer Part Number: w83195bg-101
• Description: Winbond Clock Generator For Intel 915/925 Chipsets
• Manufacturer: Winbond Electronics Corp America

7. I
7.1
7.2
BIT
BIT
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
2
Register 0: Frequency Select Register (Default = 10h)
Register 1: CPU Clock Control (1 = Enable, 0 = Stopped) (Default: E7h)
C CONTROL AND STATUS REGISTERS
SSEL [4]
SSEL [3]
SSEL [2]
SSEL [1]
SSEL [0]
EN_SSEL
SPSPEN
EN_SAFE_FREQ
36,35
41,40
44,43
-
-
-
-
-
PIN NO
NAME
PWD
PWD
STEPLESS FOR INTEL 915/925 CHIPSETS
X
X
X
X
X
0
0
0
1
0
0
0
0
1
1
1
Frequency selection by software via I
Enable software frequency table selection SSEL [4:0].
0 = Select frequency by hardware.
1= Select frequency by software I
Enable Spread Spectrum
0 = Normal
1 = Spread Spectrum enabled
Enable reload safe frequency when the watchdog is
timeout.
0 = reload the FS [2:0] latched pins when watchdog time
out.
1 = reload the safe frequency bit defined at Register 5 bit
4~0.
SRC7 output control
CPUT1 / C1 output control
CPUT0 / C0 output control
Power on latched value of FS4 pin, Default: 0 (Read only).
Power on latched value of FS3 pin, Default: 0 (Read only).
Power on latched value of FS2 pin, Default: 1 (Read only).
Power on latched value of FS1 pin, Default: 1 (Read only).
Power on latched value of FS0 pin, Default: 1 (Read only).
- 8 -
DESCRIPTION
DESCRIPTION
2
C - Bit 7~ 3.
W83195BR/G-101
2
C
TYPE
TYPE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R