Posted on May 20, 2016 at 16:47I am porting an existing design from an F107 to a L4 micro in the hopes that I can push sleep current below 50uA.Currently I have only one barrier to achieving this low power: the USB device peripheral. No matter What ...

Posted on March 13, 2015 at 17:00I have a board based on the STM32F107 where the VBUS pin is unused, and USART1 TX is used on PA9. This has worked fine for me up until now, as I used a pin previously to define whether the CI should respond to USB or...

Posted on November 19, 2013 at 11:10I have an STM32F4 design that currently uses a FAT formatted uSD to store firmware binary images and text logs. I managed to get this working a while back by modifying Clive1's uSD examples on the F4 discovery.My ...