STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...


STM32 USB Host Device Library v2.1.0 with F4 support

Posted on April 03, 2012 at 19:57Hi all,I don't see this mentioned anywhere on the forum, but a new version of the STM32 USB library was released recently and it adds the long-awaited support for the STM32F4 family. I've tried it with the STM32F4-Di...

tony2399 by Associate II
  • 8 replies
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Synchronized (Chained/Cascaded) Timers

Posted on June 06, 2012 at 18:13Newbie here...I'd like to use one timer as a prescaler for another. Both these timers (combined) will act like a single 48-bit ''uptime'' value, used for timestamping events. The master timer will be driven off APBx.I...

sacleary by Associate II
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issue of reading RTC

Posted on June 06, 2012 at 08:48Hi All,I am wondering if there is an internal interlock that prevents the RTC from being updated while the registers (RTC->CNTH and RTC->CNTL) are being read.There is a situation where RTC->CNTH has been read RTC then...

Starting with a STM32F100CBT6B

Posted on June 05, 2012 at 21:30Hello, I am new to ST micros and this is my first attempt to design a board based on a 32-bit microcontroller. I've designed a very simplistic circuit with all of the GPIO ready for use for experimenting with breadboa...

gdb backtrace/ exception handlers

Posted on May 24, 2012 at 20:20Very occasionally, my code takes an unexpected exception and ends up in a default handler I'd like to write such a handler so that GDB can successfully unwind the stack.  For example,default_handler (void) { asm(''ldr ...