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Boot without external RTC

Question asked by Adrian Merrath on Jun 28, 2018
Latest reply on Jun 29, 2018 by Adrian Merrath

Hello,

 

we designed our own i.MX 8M Hardware and it is not possible to boot without an external 32kHz clock. When we connect a external 32kHz clock there are no Bootproblems.

 

The Datasheet says: "When an external RTC clock input is not present, the 32 kHz clock for internal logic is generated by the 25 MHz oscillator".

 

Is this a known issue?

 

Thanks in advance.

 

Best regards,

Adrian

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