Spread Spectrum Clocking
Spread Spectrum Enabled
CY2280
Spread Spectrum Disabled
Frequency (MHz)
Table 2.
Description
Modulation Frequency
Down Spread Margin at the Fundamental Frequency
Down Spread Margin at the Fundamental Frequency
Configuration
Outputs
Min. Max. Unit
All (except -1)
30.0 33.0
kHz
-11S
CPU, PCI
0.0
–0.6
%
-21S
CPU, PCI, APIC 0.0
–0.6
%
Rev 1.0, November 25, 2006
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