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Vybrid multiple resets

Question asked by Shoumin Liu on Mar 8, 2017
Latest reply on Mar 27, 2017 by Pavel Chubakov

We use the KVF61NS152CMK50, but only the A5 core is used. We observed some very strange behavior on the reset line after a short 3.3V dip  – see attached.

Blue trace is 3.3V, Yellow is /RESET

 

The /RESET line is connected to the output of MCU supervisor MCP130. That circuit is attached as well.

 

What would be the reason for multiple resets after a brief loss of 3.3V power? Thank you.

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