STM32 MCUs Products

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Resolved! STM32G071GBUx Bootloader Setup Problem

Hi, I am trying to configure my STM32G071GBU6 to enable reprogramming  the flash throguh USART1. I check the datasheet of STM32G071x8/xB, reference manual RM0444, and application note AN2026. It says I am supposed to configure the PA9 (USART1_Tx) and...

YuXiao by Associate
  • 146 Views
  • 4 replies
  • 0 kudos

PWM jitter on a home made card

Hello everyone, Some time ago I asked on this website information about jitter on a PWM : Solved: PWM jitter - STMicroelectronics CommunityThe problem was that when generating a PWM, it wasn't very stable. At the time changing the source clock to the...

EliazLB by Associate III
  • 320 Views
  • 9 replies
  • 2 kudos

STM32F303CCT6 vs STM32F303CBT6

I recently purchased some STMF303 boards for implementing a free pre-compiled HEX file.I received the boards with the STM32F303CCT6 chip, but the pre-compiled file was for the STM32F303CBT6 chip. The HEX loads but does not run on any 303CCT6.Are ther...

TIM 1 Advanved timer sometimes goes high

Hey!I will explain my setup and then paste the code. I have three different timers (TIM1, TIM2, TIM3) sending out PWMs to different parts of my board. All timers are set up the same way; the only difference is that TIM1 is an advanced timer.What I do...

morris by Associate II
  • 133 Views
  • 3 replies
  • 1 kudos

Error in initializing ST-LINK device

Hello everyone i had today while working with the NUCLEO H753ZI board and when i try to upload the code i had faced this error message when i try to connect with the cube programmer i faced this error and my LD6 pin is glowing with low intensity can ...

Screenshot (5).png WhatsApp Image 2025-11-18 at 8.00.21 PM.jpeg

Resolved! ROM Bootloader - only responds with 0xA5

I have two boards, both with the G473.I am using the ROM bootloader on SPI1. On one board, the bootloader works.  On the other, it only responds with 0xA5 during the initialization sequence.The MCU can program and run if I load it through the SWD por...

JBill.10 by Associate III
  • 192 Views
  • 5 replies
  • 0 kudos

TIMER Interrupt issue STM32

Hello, I am facing an issue with my code on my STM32F411I have a function that is starting a timer TIM5 I want to be able to handle channel 1, Channel 2, Channel 3 interrupt on output compare no output uint32_t ticks = ms * 10U; /* 10 kHz tick -> 10...

vbesson by Senior
  • 131 Views
  • 3 replies
  • 0 kudos