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ADAU144x CLK OUT

SigmaDSP & SigmaStudio db10 May 16, 2013 00:00 1 replies Original on forum ↗
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db10 Question
May 16, 2013 00:00

The buffered CLKOUT signal appears to be active when the DSP is out of reset and NOT programmed as well as out of reset and programmed.

Is there a method to keep the CLKOUT pin active during a reset?

ADIApproved Reply
May 21, 2013 00:00

The signal output from the CLKOUT pin is controlled by two hardware pins, CLKMODE0 and CLKMODE1. It will always be active, except when reset is pulled low, since the reset circuit disables the output buffer. There is no way to keep it active during reset.

For reference, here are the CLKMODEx settings:

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