STM32 MCUs Boards and hardware tools
Ask questions and find answers on STM32 hardware set-ups, including schematic-related challenges, debugging probes, power configurations, and more.
Forum Posts
USB interrupt issue after NVIC System Reset on STM32F411CCU6TR
A PC app sends a reset command via USB. In the main app I use HAL_NVIC_SystemReset() to reset the board. If I use HAL_NVIC_SystemReset, windows loses USB com port and does not re-enumerate port unless I plug out and plug in USB cable. The PC app talk...
Problem with the nRST pin in a STM32L021K4
I already read this post with no success: https://community.st.com/s/question/0D50X00009Xka0fSAB/problem-with-the-nrst-pin-in-a-stm32f100cbt6I tried to design a simple board with a STM32L021K4 and to program it with a STLINK-v3 MINI. I got the follow...
Resolved! Why do we choose LSE capacitance low?
STM32H7B3I-DK - Discovery kit use NX3215SA-32.768KHZ-EXS00A-MU00525 Crystal. Crystal Load Capacitance is 6, 9, 12.5 pF but STM32H7B3I-DK - Discovery kit use 1.5pF. Why it use different load capacitance.
Resolved! Internal RTC clock lag issue
I am using below componnet toolsMCU: STM32H7B3IIT6IDE: STM32CubeIDE Version: 1.9.0CRYSTAL: RT3215-32.768-12.5-TR ( 32.7680KHZ 12.5PF)I work with internal RTC. I will use for clock. But RTC clock behinds real clock. While the product is running, the l...
STM32H7B3I-DK Disco. Using CN12 Segger Pin Header with J-Link
HiI wished to use my Segger J-link Pro to debug my Disco' Board, but when I connect using CN12 the Segger Spring Pin header it won't connect to the target, although the IDE and Programmer can "see" the j-Link probe. I read the board's user manual (UM...
STM32U5 smartcard hardware connection
Hi,I'm interested in hardware connection of STM32U5 and Smart card. They can be connected directly or there need to be Smartcard Interface circuit between (like ST8024)?Thanks in advance,Nenad
What is a new STM32L053 Discovery board supposed to do?
I just received 2 STM32L053 Discovery evaluation boards. Is there a demo preloaded on the board? What is it supposed to do? After I plugged power into USB ST-LINK, the first board cleared the display while the second did not. Then the boards do nothi...
STM32F427VGT6TR Level-1 Flash memory protection is enabled automatically and cannot disable through ST-Link Programmer
We are using STM32F427VGT6TR, in our project. We found the MCU went to "Level1- read protection" while performing a hardware debugging. We are not able to disable level-1 and put the MCU into the Level-0. We are able to connect the MCU using STLink a...
STM32F303 chip and use ST-Link V2 to update the FW - ST-LINK Utility works but ST-LINK_CLI not after power cycle
Hello there,I have a STM32F303 chip and use ST-Link V2 to update the FW of the chip on my board.If I uses STM32 ST-LINK Utility(V4.6.0.0) to update the FW of the chip, then it's working fine:after updating FW and after power cycle, the chip on my boa...
