W233 Cypress Semiconductor Corp., W233 Datasheet - Page 9

• Manufacturer Part Number: W233
• Description: Spread Spectrum FTG For Via Mobile K7 Chipset
• Manufacturer: Cypress Semiconductor Corp.

Table 5. Additional Frequency Selections through Serial Data Interface Data Bytes
Document #: 38-07250 Rev. **
SEL_4
Bit 2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
SEL_3
Bit 1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
Data Byte 0, Bit 3 = 1
Input Conditions
SEL_2
Bit 6
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
PRELIMINARY
SEL_1
Bit 5
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
SEL_0
Bit 4
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
133.3
100.0
133.3
100.0
133.3
100.0
133.3
100.0
102.0
104.0
106.0
108.0
110.0
112.0
113.0
114.0
115.0
116.0
118.0
120.0
124.0
127.0
130.0
136.0
140.0
145.0
150.0
155.0
160.0
166.0
111.0
CPU
95.0
Output Frequency
33.3
33.3
33.3
33.3
33.3
33.3
33.3
33.3
31.7
34.0
34.6
35.3
36.0
36.6
37.0
37.3
37.6
38.0
38.3
38.6
39.3
40.0
31.0
31.7
32.5
34.0
35.0
36.2
37.5
38.7
40.0
41.6
PCI
Spread Spectrum
±0.25%
±0.25%
±0.5%
±0.5%
–0.5%
–0.5%
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
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W233