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i.MX6 pad control register; Speed field

Question asked by Stephan Meyer-Loges on Feb 3, 2015
Latest reply on Feb 3, 2015 by igorpadykov

Hi all,

I have some issues using an SD-card below 0°C. (Every once in a while I don't read back what I wrote before). I solved the problem by changing the SPEED setting of the SD2_CLK from '01' (MEDIUM) to '00' (LOW). now everything works fine, but I can't see any changes using a scope.

 

Can anybody explain what the speed field in the pad_ctl_register does?

 

Kind regards

Stephan

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