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STM32L432 LSE startup timeout with CSS enabled

Darius B
Associate II
Posted on March 09, 2018 at 08:35

if Clock security system on LSE is enabled:

After a few power on/off/on cycles, Clock security system protection always is triggered.  Only power off for more 5s will reset protection bit.

Currently I disabled clock security system  (CSS).

What is possible solutions to leave  CSS enabled and avoid power on/off problem?

BR.

Darius Babrauskas

#l432 #lse-startup #css
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