peter tsai

How to avoid the mcu failure when power on

Discussion created by peter tsai on Mar 2, 2010
Latest reply on Mar 2, 2010 by bigmac

I desigen a clock display with external crystal 32.768KHz. I have ran into to  power-on failure  by chance, (probably 5%)

I found out the reason of failure that the crystal don't start to oscillate. I try to start COP function but it still fail.

Please someone could give me some advise. How to avoid the mcu failure when power on?

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