w83195bg-120 Winbond Electronics Corp America, w83195bg-120 Datasheet - Page 19

• Manufacturer Part Number: w83195bg-120
• Description: Winbond Clock Generator W83195br-120/w83195bg-120 For Intel 915/945 Chipset
• Manufacturer: Winbond Electronics Corp America

7.19 Register 17: Slew rate Control (Default: 00h)
7.20 Register 18: Reserved (Default: 00h)
7.21 Register 19: Skew Control (Default: DAh)
BIT
BIT
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
PCIESKEW<2>
PCIESKEW<1>
PCIESKEW<0>
INV_48MHz
PCI_F0_S2
PCI_F0_S1
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
ITP_EN
NAME
NAME
PWD
PWD
X
0
0
0
0
0
0
0
1
1
0
1
1
0
1
0
CPUCLK_ITP/PCIEX5 output selection,
1: CPUCLK_ITP, 0: PCIEX5 (Default).
Default value follow hardware trapping data on
ITP_EN/PCICLK_F0 pin.
Invert the 48MHz phase, 0: In phase with 24_48MHz
1: 180 degrees out of phase
PCI_F0 slew rate control
11 : Strong , 00 : Weak , 10/01 : Normal
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
CPU1 to PCIE skew control
Skew resolution is 300ps
The decision of skew direction is same as PCIESKEW<2:0>
setting
Reserved
Reserved
Reserved
W83195BR-120/W83195BG-120
- 15 -
DESCRIPTION
DESCRIPTION
Publication Release Date: January 2006
Revision 0.61
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