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Question, i.MX28 DCDC_VDDIO during reset

Question asked by AVNET JAPAN FAE (team share account) on Feb 1, 2015
Latest reply on Feb 2, 2015 by Yuri Muhin

Dear team,

 

I would like to ask about the status of DCDC_VDDIO of i.MX28 during asserting reset.

Is there a specification on the output voltage of DCDC_VDDIO during asserting reset?

On my customer’s board, they measured that DCDC_VDDIO output is about 2V during reset.

They does not use 5V supply input, only 3.3V is fed to DCDC_BATT.

 

Thanks,

Miyamoto

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