STM32 MCUs Products

STM32F401RE

i recently purchashed a STM32F401RE NUCLEO-64 kit board  I installed the ST-LINK/V2-1 DRIVERS 64 BIT FOR MY WINDOWS 10 MACHINE BUT WHEN I PLUG THE BOARD IN I GET THE MESSAGE USB DEVICE NOT RECOGNIZED THE LAST USB DEVICE CONNECTED MALFUNCTION AND I...

STM32H750 HSE crystal selection challenge

My design uses an STM32H750 with a 24MHz crystal on the HSE, and on my first attempt, the crystal is not oscillating. I’m going through AN2867 and having difficulty finding any 24MHz crystal that meets the gain margin requirement for this processor.A...

Fast output of a data stream via GPIOs or SPI with 2MHz

Hello everyone,I currently have a problem where I am not sure about the implementation. I have to control a driver module, which has a serial interface.The problem is that it needs a LATCH line in addition to clock and data line. So far so good. But ...

Why clear the DMAR bit in UART DMA receive interrupt subroutine

Why should I clear the DMAR bit in the UART DMA receive interrupt subroutine?At the moment I disable the DMA TC interrupt and the DMA Mode for reception (DMAR) at the top of my interrupt routine.At the end of the subroutine I enable the uart dma rece...

Which JSON library is preferable for STM32F769 DISCO board?

Hello,I'm working on a project on STM32F769 DISCO Board in which I need to read and parse data from a .json file (3kb). I tried using Nlohmann JSON.hpp library for data reading and parsing and, even if I do not have compilation problems (except for a...

How do i update the firmware on the GM01Q STMoD+ - Cellular Expansion Board that comes with P-L496G-CELL02?

STM32F746ZET6 issue: Why overall process of the controller is delayed ?

We are using the STM32F746ZET6 controller in our project.We are facing some issues, When we put the integration code to the controller we observed that the overall process of the controller is delayed.One use case is integrated code: we run the PWM w...