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...


Resolved! CRC_POLYLENGTH_16B undeclared in STM32F030CCTx

In `STM32F030CCTx` I need to set the CRC in 16-bit length by calling HAL_CRCEx_Polynomial_Set(MATRIX_UART_settings->crc, CRC_POLY, CRC_POLYLENGTH_16B); but the compiler shows the error : 'CRC_POLYLENGTH_16B' undeclared (first use in this function) in...

Soad by Associate
  • 3 replies
  • 2 kudos

Resolved! STM32L4 - internal routing of opamp output to ADC

I'm trying to use the internal op-amps of an STM32L471 to amplify a small current-sense voltage before measuring it via ADC. This figure from the relevant product training resource shows an internal arrow labelled "ADC," coming from the op-amp output...

oscarw by Associate II
  • 3 replies
  • 2 kudos

Unable to program STM32F103 through UART

I created a custom board with the STM32 (F103C8T6), and I am trying to program it using a FTDI USB to Serial module. However, nothing is happening, it doesn't seem to be sending anything and when I try using STM32CubeProgrammer it says:Timeout error ...

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Nv7 by Associate II
  • 13 replies
  • 1 kudos

CODEC with STM32

Hello, I would like to know how to retrieve the acquisition values ​​: INPUT -> ADC -> SAI -> µP like the diagram below : I have a program that works for this : DMA -> SAI -> DAC But this is not the way I would have wanted to make my CODEC work. Do ...

DYann.1 by Senior
  • 30 replies
  • 0 kudos

Migrating from Nucleo-144 board to real IC

HI i m currently working on a H723 nucleo144 EVK, and have completed the coding and is contemplating to flash the code onto STM32H750IBK6. Question is whats the best way to port over the code (with .ioc) without recreate a new project,  new IC select...

Resolved! Blocking vs non-blocking UART using an RTOS

Hello there!I've been setting up the UART peripheral on my STM32H5 and everything works great! However, there is one thing I can't completely understand:Using an RTOS to call HAL_UART_Transmit or HAL_UART_Transmit_IT, what's the advantage of one over...

nunokisi by Associate II
  • 4 replies
  • 1 kudos

HAL_DAC_Start_DMA doesn't correctly display audio.

I wanted to use DAC with DMA with TIM5 being the trigger. my problem is that it does not correctly display the audio,I mean the original audio is like 10 seconds, I first tried to do the transfer by the CPU so that for every interrupt generated by th...

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abdosalm by Associate II
  • 3 replies
  • 1 kudos