w83195bg-101 Winbond Electronics Corp America, w83195bg-101 Datasheet - Page 18

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

7.15 Register 14: Control (Default: 10h)
7.16 Register 15: Reserved (Default: ECh)
7.17 Register 16: Skew Control (Default: E4h)
7.18 Register 17: Reserved (Default: 00h)
7.19 Register 18: Reserved (Default: 00h)
BIT
BIT
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Reserved
Reserved
Reserved
Reserved
Reserved
PSKEW [2]
PSKEW [1]
PSKEW [0]
DRI_CONT
Reserved
SPCNT [5]
SPCNT [4]
SPCNT [3]
SPCNT [2]
SPCNT [1]
SPCNT [0]
NAME
NAME
PWD
PWD
STEPLESS FOR INTEL 915/925 CHIPSETS
0
0
0
1
0
0
0
0
1
1
1
0
0
1
0
0
CPUT / SRCT / DOT_T output state in during POWER
DOWN assertion.
1: Driven (2*Iref), 0: Tristate (Floating)
CPUT / SRCT / DOT_T output state in during STOP Mode
assertion.
1: Driven (6*Iref), 0: Tristate (Floating)
Complementary parts always tri-state (floating) in power
down or stop mode.
Reserved
Spread Spectrum Programmable time, the resolution is
280ns. Default period is 11.8us
Reserved
Reserved
Reserved
CPU1 to PCI skew control, Skew resolution is 300ps
The decision of skew direction is same as PSKEW [2:0]
setting
- 14 -
DESCRIPTION
DESCRIPTION
W83195BR/G-101
TYPE
TYPE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W