STM32 MCUs products

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...


fpscr is a status register in STM32L5x2 which has arm cortex M33 ? If yes it can be accesible in c or cpp IAR project using asm volatile instuctions?

Hello all,  Please confirm fpscr is a special status register in STM32 L5 series controller?The IAR compiler is giving "Illegal register name" error, when I tried to execute the instuctions in c or cpp project using "asm volatile(mrs and msr instu...

Ak.1 by Associate II
  • 2 replies
  • 0 kudos

dma with spi callback not reached

I am trying to make a project to use spi with dma to transmit and receiveeverything seems fine in "HAL_SPI_TransmitReceive_DMA" and HAL_OK returns but the code in "HAL_SPI_TxRxCpltCallback" is not reached

YHany.2 by Associate
  • 1 replies
  • 0 kudos

Resolved! Run DMA while ICache and DCache are enables

Hello,I read the input data over SPI DMA, but when I added the AI part ICache and DCache are enabled.The problem is that when ICache and DCache are enabled, the SPI DMA is not working.How can I overcome this problem?

HAlzo by Senior
  • 2 replies
  • 0 kudos

Crystal suitable for STM32L4R9AI

Hello I will use these crystals for STM32L4R9AII6HSE Crystal 16MHz ±10ppm 8pF 60 Ohms (with external capacitors of 6pf (assuming stray capacitance of 5pf) and ext resistor of 1.6KOhm)

Resolved! How to clear ''pending'' DMA request?

Posted on August 16, 2012 at 21:45I came across the following problem: I have a free-running timer, and a signal being input on its TIMx_CH1 pin. I want to capture timer value for two consecutive edges on that signal, so I set up the CC1 unit for ca...

Hello I am using STM32F103VB series board. I am using some timer interrupts for my code. I want to configure heartbeat LED which will continuously keep blinking.

I have configured LED and it blinks properly until timer interrupt occurs. While timer interrupt part is getting executed, LED stops toggling. Once the interrupt part is executed, it starts blinking again. I know this question maybe dumb to many but ...

sne_123 by Associate III
  • 2 replies
  • 0 kudos