STM32 MCUs Products

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STM32H743ZI Nucleo 144, UART interrupt handling

Hello ST family, I'm working on STM32H743ZI chip for my project. I want to execute simple program which communicates with PC through RS232 UART with configuration of 9600 baud rate, 1 stop bit and no parity and No Fifo used. Functionality should be s...

Manju by Associate II
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Need help getting 1.8V SD card working on STM32H743

I have a new board design that interfaces an STM32H743 to a uSD card using 1.8V I/O. The SD Card is powered by 3.3V, and the card I am using supports the LVS mode of SD. I'm having a hard time trying to get the card up and running, and my searche...

JDell.3 by Associate
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  • 2 replies
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SDRAM W9812G6KH and STM32H732

Hello!​I have never created custom PCB with SDRAM before and I would like to clarify whether this memory will work with FMC.​Thank you very much!​

AKosi.1 by Associate
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Bldc mechanical resistance

Hello i want to implement a variable mechanical resistance using a BLDC.​So for example the shaft of the motor is turned by an external force and the bldc tries to counteract the force to the tune of e.g. 100Watt.​Since the bldc acts like a generator...

Hos by Associate II
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Resolved! how to enable ETM Trace

Hello,I am using STM32F4 (nucleo F439ZI), so Cortex-M4. I am trying to enable ETM tracing and see something on TRACE pins, I am using STLINK for SWD and observing TRACE pins with an oscilloscope. I enable the trace pins on pin configuration, and enab...

mete by Senior II
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  • 2 replies
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Resolved! usart.c

I want to use the DMA for receiving data over USART. I have configured the DMA as a circular Buffer. To detect the end of the USART package I use the receiver time out.My Problem is, that when the receiver time out interrupt is triggered, not all Byt...

MLudw.1 by Associate
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  • 3 replies
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