• STM32L - USB HID and Windows 8.1
    Hi, I have developed a USB device based on STM32L151, working with Keil pro (v4.60) USB stack, and it was working great with Windows XP, 7 and 8. But since the PC was updated to Windows 8.1, the...
  • STM32L USB Driver for Keil
    A good day to all, does anybody know about an USB low level driver file for the Keil lib on STM32L chips? Unfortunately Keil supports - up to now - only the F-Types in full and high speed. ...
  • STM32L programminf problem
    Hi! I try to migrate my device from STM32F103RB to STM32L152RB and have faced the following problem. After succesfull compiling Keil uVision (4.13a) returns error then I try to download code in flash...
  • SPI problem in STM32L
    Hi, Please help me to know why the following example code for SPI of STM32L152VD is not working, I do not see any signals in scope on pins SCK and MOSI niether in Data register in dubugger. void...
  • Backup Battery for STM32L seroes
    Hi, STM32L series do not have a dedicated backup battery pin. I know these micros are designed to operate based on battery but In my project I want to guaranty clock never changes even with a main...