Posted on May 06, 2014 at 16:31hello,I am in the development of a new application with a STM32F051R8. I have a big problem with the accuracy of the RTC: I used both the quartz advocate in the note AN2867 application. I initialize the RTC well w...
Posted on May 27, 2014 at 08:33finally to close the post,and after much trial, the best accuracy was found whith 12 pf quartz and 12 pf capacitor. thanks.
Posted on May 06, 2014 at 17:15 thanks for your reply :) yes ocscilloscope is a bad thing to measure signal, it s just for check the frequency, but level is bas, sure. I use 6,8 pf +/- 0.25 pf , perhaps i buy in other distributor bec...