W83195WG-382 Datasheet, PDF (15/27 Pages) Winbond – Winbond Clock Generator

W83195WG-382/W83195CG-382
STEPLESS FOR ATI K8 CLOCK GENERATOR
7.11 Register 10: Reserved ( Default : 3Bh )
7.12 Register 11: ( Default : 0Eh )
AFFECTED PIN/
BIT
FUNCTION NAME(S)
7 SPH VAL<3>
6 SPH VAL<2>
5 SPH VAL<1>
4 SPH VAL<0>
3 SPL VAL<3>
2 SPL VAL<2>
1 SPL VAL<1>
0 SPL VAL<0>
PWD
FUNCTION DESCRIPTION
0
0
Spread Spectrum Up Counter bit 3 ~ bit 0.
0
0
1 _{Spread Spectrum Down Counter bit 3 ~ bit 0}
1 _{2’s complement representation.}
1 _{Ex: 1 -> 1111 ; 2 -> 1110 ; 7 -> 1001 ; 8 ->}
0 ¹⁰⁰⁰
TYPE
R/W
7.13 Register 12: ( Default : XXh )
AFFECTED PIN/
BIT
PWD
FUNCTION NAME(S)
FUNCTION DESCRIPTION
7 Reserved
0 Reserved
6 KVAL<9>
5 KVAL<5>
4 KVAL<4>
3 KVAL<3>
2 KVAL<2>
1 KVAL<1>
0 KVAL<0>
X _{Define the PCI divider ratio}
X ^{Table-2 integrate the all divider configuration}
X _{Define the SRC divider ratio}
X ^{Refer to Table-2}
X
Define the CPU divider ratio
X
Refer to Table-2
X
TYPE
R/W
R/W
R/W
R/W
Table-2 CPU, SRC, PCI divider ratio selection Table
LSB
HTT/PCI
BIT5
SRC
BIT3
MSB
0
1
0
1
Bit2/
Bit4/
Bit9
0 Reserved Div10 Reserved Div6
1
Div12 Div15
Div8
Div10
00
Div2
Div8
CPU
BIT1,0
01
10
Div3 Div4
Div8 Div8
11
Div6
Div8
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Publication Release Date: Feb 2006
Revision 0.6