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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STM32F405 PLL: 168MHz to 84MHz - how to do this?

Posted on July 08, 2015 at 05:07Hello: I have an STM32F405 processor, with a 8MHz HSE crystal. It's set up to operate at 168MHz. To see if I can get suitable performance at a lower speed to save power, I'd like to change this (*not* on the fly) at t...

High speed data transfer to STM32F3

Posted on July 10, 2015 at 03:36Hi All,I need to transfer a large amount of binary data to my STM32 and am trying to figure out what the best way to do this would be. The data throughput needs to be roughly 4Mbps. The device has USB so I was thinkin...

daniel2 by Associate II
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STM32F030R8T6 Help me to Start

Posted on July 01, 2015 at 15:53Im a newbe to arm familyIm using coocox ide.I create my 1st project compile n and downloaded to STM32F030-Discovery board.The project compiled successfully and downloaded but nothing is happening on the board.What Iam...

sourcing by Associate II
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Bluetooth with STM32F0

Posted on July 09, 2015 at 17:28Hello everyone, I want to etablish a communciation between a STM32F0 discovery (with a bluetooth module, probably HC-05) and a computer (equiped with a bluetooth key). But i only want that the STM32F0 can be able to s...

edouard by Associate II
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STM32F446, SPI3 MOSI (PC1) doesn't work

Posted on July 07, 2015 at 17:14 Hello everybody, I face to a weird problem and any help could be decisive :) (and I will be grateful of course) I transfer a project which implement USB, I²C and SPI from STM32F407 to STM32F446 but I am...

Using STM32L0 in simulator mode

Posted on July 07, 2015 at 13:28Hi,I want to develop code for STM32L0 device using KEIL ( MDK ARM V5.15.0). I try to debug the code in simulator mode but whenever I run the debug I get an Error message (*** error 65: access violation at 0x40021000 :...

Hosting a USB -> RS232 on STM32

Posted on July 09, 2015 at 10:43Hi I have a project where I need to host a CDC on an STM32F microcontroller. The usarts are in use hence the need for the CDC. I have found library code from STs cube in ''stm32cubef4\STM32Cube_FW_F4_V1.7.0\Middlewar...

AJE by Associate II
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example on receiving USB data

Posted on July 09, 2015 at 12:12Hi there,I'm using the STM32f4 and I'm trying to get the USB drivers to work but I'm having some issues. Using the example for CDC Standalone in the STMCube files I've got the USB enumerating and transmitting a basic ...