W209C Datasheet, PDF (9/16 Pages) SpectraLinear Inc – Frequency Generator for Integrated Core Logic with 133MHz FSB

PRELIMINARY
W209C
Table 4. Additional Frequency Selections through Serial Data Interface Data Bytes
Input Conditions
Output Frequency
Data Byte 4, Bit 3 = 1
Bit 2
Bit 7
Bit 6
Bit 5
Bit 4
SEL_4 SEL_3 SEL_2 SEL_1 SEL_0 CPU SDRAM 3V66
PCI
0
0
0
0
0
75.3
113.0
75.3
37.6
0
0
0
0
1
95.0
95.0
63.3
31.6
0
0
0
1
0
129.0 129.0
86.0
43.0
0
0
0
1
1
150.0
113.0
75.3
37.6
0
0
1
0
0
150.0 150.0 100.0
50.0
0
0
1
0
1
110.0
110.0
73.0
36.6
0
0
1
1
0
140.0 140.0
93.3
46.7
0
0
1
1
1
144.0 108.0
72.0
36.0
0
1
0
0
0
68.3
102.5
68.3
34.1
0
1
0
0
1
105.0 105.0
70.0
35.0
0
1
0
1
0
138.0 138.0
92.0
46.0
0
1
0
1
1
140.0 105.0
70.0
35.0
0
1
1
0
0
66.8
100.2
66.8
33.4
0
1
1
0
1
100.2 100.2
66.8
33.4
0
1
1
1
0
133.6 133.6
89.1
44.4
0
1
1
1
1
133.6 100.2
66.8
33.4
1
0
0
0
0
157.3
118.0
78.6
39.3
1
0
0
0
1
160.0 120.0
80.0
40.0
1
0
0
1
0
146.6
110.0
73.3
36.6
1
0
0
1
1
122.0
91.5
61.0
30.5
1
0
1
0
0
127.0 127.0
84.6
42.3
1
0
1
0
1
122.0 122.0
81.3
40.6
1
0
1
1
0
117.0
117.0
78.0
39.0
1
0
1
1
1
114.0
114.0
76.0
38.0
1
1
0
0
0
80.0
120.0
80.0
40.0
1
1
0
0
1
78.0
117.0
78.0
39.0
1
1
0
1
0
166.0 166.0
55.3
27.6
1
1
0
1
1
160.0 160.0
53.3
26.7
1
1
1
0
0
66.6
100.0
66.6
33.3
1
1
1
0
1
100.0 100.0
66.6
33.3
1
1
1
1
0
133.3 133.3
88.9
44.4
1
1
1
1
1
133.3 100.0
66.6
33.3
APIC
18.8
15.8
21.5
18.8
25.0
18.3
23.3
18.0
17.0
17.5
23.0
17.5
16.7
16.7
22.2
16.7
19.6
20.0
18.3
15.2
21.1
20.3
19.5
19.0
20.0
19.5
13.8
13.3
16.6
16.6
22.2
16.6
Spread
Spectrum
OFF
–0.6%
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
±0.45%
±0.45%
±0.45%
±0.45%
OFF
OFF
OFF
–0.6%
OFF
–0.6%
OFF
OFF
OFF
OFF
OFF
OFF
–0.6%
–0.6%
–0.6%
–0.6%
Document #: 38-07171 Rev. *A
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