STM32 MCUs Products

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Forum Posts

Strange temperature dependent "software" bug with QSPI transfer

Hello,I have a strange problem... We have a bunch of equal boards (STM32H743XIH6) from manufacturer and some have temperature dependent problems (3 of 20). The problem seems like a software problem, but many software changes couldn't reproduce this.I...

SF??r by Associate III
  • 593 Views
  • 2 replies
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STM32H743 UART RX DOES NOT RECIEVE CORRECTLY

I have two stm32 on my board. I send serial data from stm32f407 to both max232 and stm32h743. The output data from the max232 is correct. but when I debug the stm32h743 input serial data, its data is incorrect. what is the problem?

PKA - ecdsa curve support

The sample code uses p256v1 (which seems to actually be p256r1). This curve works well.​I Got PKA to sign correctly using p256k1 with some minor curve updates.​I​ am having trouble setting up p224r1. Has anyone got curves other that p256 to work?​T​n...

Hedley by Associate III
  • 1156 Views
  • 2 replies
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STM32L476RG not using flashed design

I just purchased the NUCLEO-STM32L47RG, and have tried using the following code below to press a switch to turn an LED on. However the code doesn't seem to actually be loading onto my microcontroller, I'm using Keil uVision 5 IDE if that makes a diff...

kfg4 by Associate
  • 459 Views
  • 1 replies
  • 0 kudos

Correctly programming I2C1 interface for STM32L151R8T6.

I'm trying to program i2C1 interface of STM32L151 with 3-rd side tools - Algocraft WN programmer.The sequence of operations attached in the DOC file.After these operations the START bit does not generated (checked by scope) and MASTER bit doesn't app...

LKuri.1 by Associate II
  • 1416 Views
  • 6 replies
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Use STM32H7 ETM without debugging tool

I need to use the ETM on a STM32H753 but without debugging tool. The idea is to record the execution trace all the time, and when the firmware encounter a critiical issue, output the trace to an external tool or program it to flash for later analysis...

Gpeti by Senior II
  • 5354 Views
  • 24 replies
  • 1 kudos