W83195BG-118 데이터 시트보기 (PDF) - Winbond
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W83195BG-118 Datasheet PDF : 28 Pages
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W83195BR-118/W83195BG-118
STEPLESS FOR INTEL 915/945 CHIPSETS
Table-2 CPU, PCIE, PCI divider ratio selection Table
LSB
PCI
PCIE
Bit5
Bit3
MSB
0
1
0
1
Bit2/
0
Div12 Div16 Div3 Div4
Bit4/
1
Bit6
Div20 Div24 Div8 Div6
00
Div2
Div8
CPU
Bit1, 0
01
10
Div3 Div4
Div8 Div8
11
Div6
Div8
7.14 Register 13: Step-less Enable Control (Default: 0Ah)
BIT
NAME
PWD
DESCRIPTION
TYPE
7
EN_MN_PROG
0 0: Output frequency depend on frequency table
R/W
1: Program all clock frequency by changing M/N value
The equation is
VCO =14.318MHz*(N+4)/ M.
Once the watchdog timer timeout, the bit will be clear.
Then the frequency will be decided by hardware default
FS<2:0> or desired frequency select SAF_FREQ [4:0]
depend on EN_SAFE_FREQ (Reg0 - bit 0).
6
N<10>
0 Programmable N divisor bit 10.
R/W
5
Reserved
0 Reserved
R/W
4
Reserved
0 Reserved
R/W
3
IVAL<3>
1 Charge pump current selection
R/W
2
IVAL<2>
0
R/W
1
IVAL<1>
1
R/W
0
IVAL<0>
0
R/W
- 13 -
Publication Release Date: May 2006
Revision 0.81
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