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[FAQ] DP83848Q-Q1: How to Disable 25Mhz CLKOUT Output

David Creger
Mastermind 22221 points
Part Number: DP83848Q-Q1

Tool/software:

If the CLKOUT output is not used on DP83848, it may be disabled using the below register writes. This may be beneficial for EMC emissions testing, in order to minimize the energy of 25Mhz harmonics.

0x13[0] = 1
0x15[14] = 1