w83195bg-101 Winbond Electronics Corp America, w83195bg-101 Datasheet - Page 17

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

Table-2 CPU, SRC, PCI divider ratio selection Table
7.14 Register 13: Step-less Enable Control (Default: 0Fh)
BIT
7
6
5
4
3
2
1
0
Bit2/
Bit4/
Bit6
MSB
EN_MN_PROG
N<10>
Reserved
Reserved
IVAL<3>
IVAL<2>
IVAL<1>
IVAL<0>
LSB
NAME
0
1
PWD
STEPLESS FOR INTEL 915/925 CHIPSETS
0
0
0
0
1
1
1
1
0: Output frequency depend on frequency table
1: Program all clock frequency by changing M/N value
The equation is
Once the watchdog timer timeout, the bit will be clear.
Then the frequency will be decided by hardware default
FS<2:0> or desired
depend on EN_SAFE_FREQ (Reg0 - bit 0).
Programmable N divisor bit 10.
Reserved
Reserved
Charge pump current selection
VCO =14.318MHz*(N+4)/ M.
Div2
Div0
00
- 13 -
Div3
Div0
01
DESCRIPTION
frequency select SAF_FREQ [4:0]
Bit1, 0
CPU
Publication Release Date: March 2006
W83195BR/G-101
Div4
Div0
10
Div6
Div0
Revision 0.7
11
TYPE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W