W83194R-58A データシートの表示（PDF） - Winbond
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W83194R-58A Datasheet PDF : 13 Pages
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W83194R-58A
PRELIMINARY
W83194R-58 Frequency table selection by software via I2C
SSEL2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
SSEL1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
SSEL0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Register0
Bit2
SSEL3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
CPU
(MHz)
112
66.8
97.0
75
133.3
83.3
95.25
100.2
103
112
115
120
124
133.3
140
150
SDRAM
SD_SEL=1
112
66.8
97.0
75
133.3
83.3
95.25
100.2
103
112
115
120
124
133.3
140
150
(MHz)
SD_SEL=0
74.7
66.8
64.67
75
88.7
66.6
63.5
66.8
68.7
74.7
76.6
80
82
66.6
70
75
PCI AGP
(MHz) (MHz)
37.3
33.4
32.33
37.5
44..3
33.3
31.75
33.4
34.3
37.3
38.3
40
31
33.3
35
37.5
74.7
66.8
64.67
75
88.7
66.6
63.5
66.8
68.7
74.7
76.6
80
62
66.6
70
75
REF
(MHz)
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
FUNCTION TABLE
Function
Description
Tri-State
Normal
CPU
Hi-Z
see table
PCI
Hi-Z
see table
Outputs
SDRAM
Hi-Z
CPU
REF
Hi-Z
14.318
IOAPIC
Hi-Z
14.318
Publication Release Date: Nov. 1999
-8-
Revision 0.30
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