STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! stm32L100 can not access flash (0x8000000)

Moved from MPUs section - STM32L100 is an MCU, not an MPUI compare this my layout board (with outer st-linkv2 connected), and stm32l100c disco.stm32l100c disco does not have such a question. It will show "Error 57: Illegal Address(0x8000000)".And I d...

2284530.jpg
huang by Associate
  • 78 Views
  • 2 replies
  • 1 kudos

STM32G031Jx SO8N embedded uart bootloader

Hello,I plan to use STM32G031Jx in a SO8N package and use embedded bootloader over UART.According AN2606, both USART1 and 2 can be usedBut PA3 is not available on SO8N, so remains only USART1.But USART1 is used by bootloader on PA9,10 which are not d...

yo3hcv_0-1751554151805.png yo3hcv_1-1751554200858.png yo3hcv_2-1751554360558.png yo3hcv_3-1751554583275.png
yo3hcv by Associate II
  • 68 Views
  • 1 replies
  • 1 kudos

Resolved! USBX on STM32H563 - Unaligned Access Confusion

I've been on an adventure trying to get my first CubeMX/STM32 project off the ground.  Here's as much context as I can give for my debugging process, and hopefully someone can spot what I'm missing. Dev Board: Nucleo-STM32H563ZIT-144 (Arm M33 Core)ID...

Resolved! STM32F103 and RBIT instruction

Hello,I use a STM32F103 MCU and I use the RBIT instruction (as an CMSIS inline functinon). The instruction works properly and I can see the rbit instruction in the disassembly window (for this project I have to use an old TrueSTUDIO IDE).According to...

NCTUser by Associate III
  • 67 Views
  • 2 replies
  • 2 kudos

Resolved! Systick interrupt fail on STM32L072KZUX

Hello, I have a problem with SysTick interrupt on STM32L072KZUX.I am using the latest version of STM32CubeIDE + the latest package for my MCU - FW_L0 1.12.3. An absolutely clean project, which was created in IDE and flashed into the device using ST-L...

kuzdmin_0-1751535605988.png
kuzdmin by Associate
  • 94 Views
  • 1 replies
  • 1 kudos

Resolved! PLL Jitter [STM32H743XGH6]

I have a question regarding internal PLLs.I would like to know the jitter of the PLL in the STM32H743XGH6.I could not find a PLL Characteristics table that would have the answer I want to know. I have seen posts about jitter in various other PLLs.How...

NiM by Associate III
  • 135 Views
  • 2 replies
  • 1 kudos

Question about STM32H7 SDMMC2 and UHS-I mode support

Hello,When I read though AN5200 (Getting started with STM32H7 Series SDMMC host controller), I am not sure I fully understand the statement about UHS-I mode support in Table 2. (SDMMC1 and SDMMC2 main features) as in below screenshot, The table state...

Screenshot 2025-06-10 at 12.15.49 AM.png Screenshot 2025-06-10 at 12.15.57 AM.png