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TPS62812-Q1: TPS62812-Q1 is there any function of Spread Spectrum?

Part Number: TPS62812-Q1

The TPS62812 has Optional Spread Spectrum Clocking function, but  in page3  5 Device Comparison Table, all FEATURES spread spectrum clocking is OFF.

When the device is externally synchronized by applying a clock signal to the MODE/SYNC pin, TPS6281x-Q1 follows the external clock and the internal spread spectrum block is turned off

If i no sync with externally clock,  The Spread Spectrum Clocking is enable?