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W530-02 Datasheet, PDF (4/8 Pages) Cypress Semiconductor – Frequency-multiplying, Peak-reducing EMI Solution
SSON# Pin
An internal pull-down resistor defaults the chip into spread
spectrum mode. When the SSON# pin is asserted (active
LOW) the spreading feature is enabled. Spreading feature is
disabled when SSON# is set HIGH (VDD).
W530-02
100%
80%
60%
40%
20%
0%
–20%
–40%
–60%
–80%
–100%
Frequency Span (MHz) Center Spread
Figure 2. Typical Clock and SSFTG Comparison
Time
Figure 3. Modulation Waveform Profile
Document #: 38-07190 Rev. *A
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