I'm working on hardware design and have some doubts regarding selecting the tolerance value for the decoupling capacitor for stm32l4 series I have read the application note and data sheet I could not find the value for tolerance.so how can I find the...

I am working on register level programming, and I have gone thoroughly the reference manual it just contains about the features of the peripherals and registers and something about its working so how can I program if it does not contain the procedure...