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...


SPI Bootloader with micro at lower voltage

I have two different STM32L451 boards.One version runs at 3.3V and the other at 1.95V.On the 3.3V board, I can enter the SPI Bootloader and erase/program Flash reliably.But on the 1.95V board, the flash write fails. In the same 2K page and on usually...

Caveman by Associate II
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Resolved! Stm32 usb and hsi - not sure what is wrong.

Hey all,I am wondering if anyone has some insight into why i cannot get a usb connection working (trying as HID).I can power up and debug the MCU (STM32F103RBT6), but cannot get the USB to connect.For the HSI I am using 10pF for C1 and C2, and a 1000...

CaptainJL_0-1688180514406.png CaptainJL_4-1688181100787.png CaptainJL_2-1688180606611.png CaptainJL_3-1688180632042.png

Nucleo PD "pass through" charging?

Is there a reference design/app note for "pass through" power delivery chargers/battery packs with these MCUs? IOW I'd like my design to do the following; -If connected to mains power/a small solar panel, charge the batteries while powering the load....

USB CDC communication

Hi all, I am trying to USB CDC communication with my STM32 nucleo board. I want to send consecutive numbers and verify that they are consecutive and calculate the data rate. I obtain errors, non consecutive numbers (irregularly), when I increase the ...

Resolved! Neucleo Dev Board Schematic

Is there a schematic or a reference design similar to the one used for the Neucleo boards?  I'm thinking of spinning up my own board instead of using a neucleo, and wanted to include design elements like the debug link, boot loader link, oscillators,...

LMorr.3 by Senior II
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CANBUS Between two STM controllers

Hello I am trying to attempt a CANBUS communication between two different STM boards, I've been following the videos on the STM website as a reference and I got the LOOPBACK Mode to work with one STM board but I am having trouble getting the NORMAL m...

How make for Stm32F407G-DISC1 with Tim

I try make"design system that sets outputPin (should be digital gpio output ) high for 0.25 secs,and low for 0.25 secs."and i use  GPIOA_PIN4(input) and   GPIOB_PIN0(output), I'm new to stm32, I'm having trouble with the timer.I try use tim, how can ...

Pogomo by Associate
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