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...

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Resolved! ADE9000 COMMUNICATION PROBLEM WITH STM32F401

I have setup a base board of ADE9000 With only Basic Components connected, Like Bypass capacitors, Reset pullups and connected SPI Directly with the STM32F401 Blackpill board , Everything starts-up perfectly.So I want to check the communication betwe...

Caan by Associate III
  • 151 Views
  • 5 replies
  • 2 kudos

Resolved! stm32f746 ETHERNET issue

Hi, Could anyone help with this problem? Its driving me mad!!! I have designed an ethernet interface  for an F746-100 MCU I have changed pins to avoid using Port G and I have used the  circuit below. The RJ45 connector is a standard RB1-125BAG1A and ...

STM32H7 code execution time question

Hello All,I needed a very fast vector addition routine for the H7 so I wrote it in assembly. However, I discovered that very small changes in the code caused huge differences in execution time. Both of the following functions add a 16-bit vector to a...

DWWelch by Associate III
  • 170 Views
  • 7 replies
  • 1 kudos

STM32F4 Possible to disable CAN bootloader?

I have a product that contains 2 STM32F405/07/15/17 series MCUs. There are 2 because we need 4 CAN and that's cheaper and easier than finding a 4 CAN MCU. Anyways, the main MCU is connected to the secondary MCU via UART and the boot/reset pins so tha...

LLawr.1 by Associate II
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  • 2 replies
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Clock Configuration, Timer and LED

I am still new to STM and I am trying to perform a task on timer, I have written my code to configure the clock the my desired frequency and also I have written the code to set up my timer but when I downloaded the code to my board (stm32g070rb), my ...

STM32H7 ECC IRQ

I am trying to understand how the ECC IRQs work.  I have configure the RAMECC1 AXI SRAM, RAMECC2 SRAM1, 2 and 3, and RAMECC3 SRAM 4 monitor CR registers to generate interrupts on double bit errors.  I have configured the IER so that Global interrupts...

NBrick67 by Associate II
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  • 1 replies
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Resolved! MCU Device ID same for STM32 H747XG, H747XI, H757XI MCUs

Hi,I'm currently looking for a way to identify the MCU attahced to a common pcb used. The MCUs are from the H7 series and im geeting unexpected results, as in they all return the same id 0x450I have tried looking at the DBGMCU->IDCODE, HAL_GetDEVID()...

justin11 by Associate III
  • 146 Views
  • 5 replies
  • 2 kudos
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