What is the difference between cold and warm power-on reset?

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User17740
Level 4
Level 4
First solution authored First like received
Hi,

What is the difference between Cold and Warm Power-On Reset?

Kind regards,
Bernie

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User18237
Level 5
Level 5
First solution authored First like received
Hi Bernie,

A Cold PoR is done at system startup, or when an undervoltage condition occur on one of the supply voltages (external or internal).
A Warm PoR is done when the /PORST pin is asserted/pulled low, with the supply voltages stable.

Best regards,
Mr. AURIX™
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