STM32 MCUs Products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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STM32L552ZET6Q Sleep Mode Issue?

Hello,    We are using STM32L552ZET6Q MCU in our project. Here we are using only 3 UART Pheripherals, 2 LED output GPIOs.    Here We attached the CUBEMX .ioc file of the our project. After the code generation from the STM32CUBEMX, we complete our's o...

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STM32H7 PC2_C and PC3_C GPIO not working

Originally a reply in this thread: https://community.st.com/t5/stm32cubemx-mcus/bug-cubemx-should-warn-h7-users-against-pc2-c-pc3-c-pitfalls/td-p/708817 Hi,What's wrong with PC2_C and PC3_C???  I am using them as normal GPO on my board, but it's not ...

Resolved! STM32F103x8 pin compatible or LQFP48 alternative

Hi all,I've a board with the STM32F103C8T6 MCU.My firmware has to handle a lot of IO, display and UART logic, nothing special but just a lot of logic.So the 64K b internal flash memory is almost full.I've a couple of question here:1) can i switch to ...

VBAT Backup Power Supply External battery

I'm designing a custom PCB using the STM32F407G-DISC1 board as a reference, with the goal of meeting EMI/EMC standards. However, my design includes a VBAT connection from external battery that the reference board doesn't have. Can you advise on best ...

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Resolved! CAN Communication Issue

Hi, I am using STM32F446RE Nucleo and a Peak CAN Usb to test the CAN functionality of the microcontroller. I have connected the Microcontroller to a CAN Transceiver (TJA1050) and added a 120ohm resistor between the CANH and CANL line. I have attached...

rider7 can't change hex file

I'm working on various examples using rider7. However, sometimes I encounter unexplained errors. The issue is that the hex file doesn't change. It seems like there might be garbage values in the hex file, as nothing works. Even if I change the main.c...

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Resolved! STM32F411 cant get PLL to stabilize using HSI

Hi,I seem to behaving an issue getting my STM32F411  PLL to stabilize using the HSI. The code I am using shown below. Setting it to 100MHZ.  The code gets stuck in RCC_GetSYSCLKSource() != 0x08 ) continue; . It never returns 8.  I had originally got ...