STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

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...

gif-stm32u0.gif

RTC and surprise power removal

Posted on December 22, 2012 at 19:12Hi, I just added backup battery to the F407 discovery board. All seem to work ok, the RTC counts while the CPU is on and in Stop mode as well. But if i remove the power all together the last RTC value is preserved...

M0NKA by Senior
  • 414 Views
  • 3 replies
  • 0 kudos

Interrupt pending registers not cleared

Posted on December 20, 2012 at 21:50I have a number of switches which generate interrupts. When I Flick switch A it goes from High to Low and the A interrupt occurs(EXTI_PR is now 0x00000200 as expected). I then clear the pending register (EXTI_PR ...

stenasc by Senior
  • 412 Views
  • 9 replies
  • 0 kudos

STM32vldiscovery and bt module

Posted on December 21, 2012 at 00:41Hi i want to connect my stm32vldiscovery with HC05 Bluetooth module, the communication is uart and this HC05 need to have only3.3V on uart_tx and uart_rx, can i connect directly on uart port of stm32vldiscovery? o...

STM32F4 debugging with ECLIPSE JUNO

Posted on December 22, 2012 at 10:39Hi all It is out of desperation that I turn to the forum, I`ve read all I could find on the WEB regarding my issue, and after 2 weeks still no results: 1- I use the SMT32F4-DISCOVERY board which has the ST-LINK V2...

benbb by Associate II
  • 289 Views
  • 1 replies
  • 0 kudos

help ! memcpy causes hardfault

Posted on December 10, 2012 at 22:37 hello forum ,  I am trying to run a TCP/IP demo on a Olimex STM32F4 board  with eclipse + yagarto  however I cannot connect to the board with LAN  when I stop the demo with JTAG to look where it hangs   it shows ...

0690X00000602nOQAQ.jpg

STM32F105 VCP problem

Posted on December 22, 2012 at 09:15STM32 experts:I have a STM32F105 board and was learning the virtual com port with ''STM32_USB-Host-Device_Lib_V2.1.0'' library. I didn't know why  the VCP_DataRx function was been called one time when PC USB host ...

evanqian by Associate II
  • 182 Views
  • 0 replies
  • 0 kudos

Timer1 capture data

Posted on December 22, 2012 at 02:07Hi alli run timer 1 in capture mode and i want to know how can i reset the counter.for example i capturing signal and store it  in an array. The counter counting from 0 to 65535 and every time edge comes in interr...

imanpakii by Associate III
  • 405 Views
  • 4 replies
  • 0 kudos

STM32F050F Flashloader Files for IAR

Posted on November 21, 2012 at 19:36Does anyone have the flashloader files for IAR?  These are the files. *.board *.flash *.mac *.out I can figure out how to modify *.board file from others, but the others are not easy.

jwang by Associate II
  • 475 Views
  • 5 replies
  • 0 kudos

RTOS

Posted on December 21, 2012 at 15:33 #define IS_SPI_ALL_PERIPH(PERIPH) (((PERIPH) == SPI1) || \ ((PERIPH) == SPI2) || \ ((PERIPH) == SPI3)) #define IS_SPI_ALL_PERIPH(PERIPH) (((PERIPH) == SPI1) || \ ((PERIPH) == SPI2) || \ ((PERIPH) == SPI3...

Labels