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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UART TX DMA issues

Posted on November 19, 2017 at 18:16Hi,I am trying to set up a uart TX using DMA to send data (mostly strings).I am using FREERTOS. The semaphore is taken when I want to send the data and released when the UART_EndTransmit_IT() function is called.Th...

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Resolved! How to handle GPIO interrupts using StdPeriph_Lib

Posted on November 22, 2017 at 13:48 Working with STM32F303K8 at the lowest level where I'm writing to the registers directly. Try to follow generic statements in STM documents to handle a high2low transition on a GPIO PB4 input pin. These are the ...

STM32F429 Package size register

Posted on November 17, 2017 at 09:17Hello all,I want to move our STM32F429 from a BGA169 package to a LQFP100 package. A few pins need to be remapped. so I would like to know the package in run time.in the STM32F429xx.h there is a definition for a P...

Resolved! USART DMA IDLE State for STM32F401RETx

Posted on November 24, 2017 at 15:19Hi All,I was working on getting user input via keyboard over uart. The input could be varible length. To handle this issue I use HAL uart receive DMA (circualr mode). To get input and and tranfer it over uart, i g...

Error: Flash driver function execute timeout

Posted on November 25, 2017 at 05:11I am trying to get my STM32L475 up an running with the Coo Cox IDE.  Error: Flash driver function execute timeout is displayed while trying to Start Debugging.  I did notice the Discovery board shows up as a drive...

Touch sensing design for MCU

Posted on November 27, 2017 at 10:12Dear supporter, I am using STM32L05 in my project. the Microcontroler shall detect  proximity/touch sensing. my question related to the electrode design which shall be connected to the MCU (TSC_IOGxCR) .I shall de...

ADC1 -> DMA2 works first time then stops

Posted on September 22, 2016 at 06:11Hi all, I have a most frustrating problem. I am using the ADC1 to sample 5 ADC inputs in sequence, I am also using the DMA2 Sequence 0 to transfer the results to a memory location. I am using a timer to ensure ...