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[FAQ] DP83TC812S-Q1: How to disable 25MHz clock on clkout pin?

Part Number: DP83TC812S-Q1

For DP83TC812S/R if clkout pin is not being used to provide a clock signal to another component, then it is recommended to shut down this clock output and reduce its impact on EM emissions. 

Clkout's output can be made static (no-toggling) by programming following registers : 

Reg<0x045F> = 0x000F

Reg<0x0453> = 0x0003