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Power Down Threshold in STM32L4

Question asked by shachar y on Feb 4, 2018
I am using STM32L486 in my project.
I have a question about the power-down threshold.
What is the power down Threshold?
The threshold that determin if it was BOR or power down reset.
In power down reset the backup domain is reset and in BOR the backup domain isnt 
If I want to be sure that the Backup domain will reset what is the VDD threshold voltage that I need to get to, so after power up ill get a power-up sequence and not BOR power-up (with backup domain reset)