STM32 MCUs Products

SAI for 8 channel TDM?

Hello,I'm spec'ing a system where we would need to interface 4x eight-channel ADCs with an MCU for audio capture. Simultaneous capture on all channels is an important requirement.Currently we are considering the STM32H750VB MCU which has 4x SAI inter...

Resolved! STM32U535RET6QTR (with TSC) for Microwave Oven Capacitive Touch Control Panel

Hi Team,We I have shortlisted the STM32U535RET6QTR microcontroller for our microwave oven control panel. The MCU includes an integrated Touch Sensing Controller (TSC), and our design requires 8 capacitive touch keys.Before finalizing the component se...

Resolved! STM32G474RET3 - Export Classification

G'day Brains Trust,Does anyone know where ST record the export classification for their products?Specifically looking for the ECCN for STM32G474RET3.RegardsGTC-BH

I'm trying to get spun up on TrustZone. I found a 9-part series (by Bob Waskiewicz) on youtube, but I cannot locate the .hex files used for examples. Bob mentioned the youtube comments, but alas, I could not find them. Any help would be appreciated !!

Resolved! MCU Recommendation for BMS in Hybrid Solar Inverter

I am developing a Battery Management System (BMS) for a hybrid inverter solar panel system. I am using the ADBMS1818 IC as the battery management chip from Analog Devices. Currently, I am looking for a suitable MCU for my system. I found that the CYT...

How to handle watchdog in low power modes standby and shutdown (STM32L433)

I tried to use the internal watchdog IWDG and WWDG) on an STM32L433It worked fine until the device went into low power modes, standby and shutdown.Because the watchdogs still runs during low power modes, but as the prcoessor is not running the watchd...

Resolved! NUCLEO-H755ZIQ "Bricked" behavior after unplugging during debug session

Hi everyone,I think I’ve messed up my NUCLEO-H755ZIQ board. A few days ago, I accidentally unplugged the board while an active debug session was running. Since then, the board "dies" every time I power it off.To get it back to a working state, I have...

STM32H7 SDMMC1 + FreeRTOS + FatFs: f_open() blocks forever (DMA RTOS diskio)

I’m working on an STM32H7R7 project using SDMMC1 + FreeRTOS (CMSIS-RTOS v2) + FatFs, all generated with STM32CubeMX.I’m facing an issue where f_mount(opt=0) works, but the system blocks inside f_open() and never returns, so the return value cannot be...

Resolved! Time Drift Between 2 Identical Black Pill boards

STM32F401 (Blackpill) – 2.4s Drift in 30 Minutes Between Two Identical Boards Using TIM2 (HSI Clock)I am working on time synchronization between two identical Blackpill STM32F401CCU6 boards.Both boards:Use internal HSI oscillatorSame firmwareSame clo...