STM32 MCUs Products

I'm trying to write and read flash

hi guys, im working on stm32l412kb mcu using keil v5 uvision and i ve found it difficult to write and read flash memory. all the explanation online are not relevant for my mcu. that the way i'm trying to confirm my actions, if anyone understand the p...

How to deactive XIP in QSPI

Hi, ST example show how to active XIP to read after erase/write data to QSPI. We are success with those step.And, in case we want to change data, we need to deactive XIP. I set command back to Write Directly mode but look like after XIP is enable the...

STM32H7 Dual core - power consumption M4 vs M7

Hello,While I was looking for a new MCU, I came across STM32H7 dual core mcus, with M4 and M7.I directly thought that it could be versatile for many usage, M7 for high performance, M4 to mix performances/ and power consumption (and from what I unders...

disco board external flash c code

hello everyone,i am working with stm32f469 disco board. looking for external flash MICRON N25Q128A13EF840F code

I receive from pc to micro a uart buffer of ASCII value that rappresent a float number. How can transform this buffer in float number?

Address calculation using sizeof() operator

I am a little bit confusing with Address calculation using sizeof() operator.I am writing a program for DMA transfer half a buffer in a time.Such as,---------   1st:      HAL_SPI_Transmit_DMA(&hspi1, ptr1, buf_len/2) ;   2nd:     HAL_SPI_Transmit_DMA...

Downloading the code in target board giving error

Hi,I am using STM32L476G-DISCOVERY board. As i am beginner so i have created a project for simple hello world program .When i am trying to download a build into target it is showing the following error- "Launching Test_helloworld' has encountered a...

STM32G4 CANopen support

Not a question, but forwarding some information.The CiA group (An In Automation) announced expanded driver support for the G4.For anyone interested, here the link:https://can-newsletter.org/software/protocol-stacks/200417_expanded-canopen-driver-supp...

Nucleo F401RE Virtual USART Crashing

I currently have a project using micropython on the Nucleo F401RE. When connected to the virtual USART over usb, it seems to crash every 15min or so. I've tried connecting directly to PA2 and PA3 (while doing all the other setup to enable it) and it ...