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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USART Rx interrupt NOT Work

Posted on October 17, 2017 at 18:03 I tested three devices all day long today. All devices are connected to the USART, but the incoming interrupt does not work at all. A program that connects the Lo Ra modules, GPS modules, and wifi mod...

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RTC drift

Posted on June 08, 2018 at 21:35 I am Using the #RTC #M41T94 for keeping time on my project.Have noticed on multiple occasions that there is a significant #drift in the time keeping. Have reviewed the datasheet multiple times to check if my schemat...

Hard Fault error while using NEW operator in cpp

Posted on June 19, 2018 at 12:10Hi All,   I'm working on STM32L4 MCU  in CPP project(cubeMX code that c code i convert to cpp), i have one doubt in NEW operator,  i  create array of pointer object  and i build code no error but while debugging i got...

Resolved! Cannot Blink JTDI pin

Posted on June 19, 2018 at 12:26 I am using STM32F103RCT6 to blink a LED which is connected to PA15 - JTDI in PU. My GPIO Configuration is like this GPIOA->CRH |= GPIO_CRH_MODE15; //Output mode, max speed 50 MHz. GPIOA->CRH &= ~GPIO_CRH_CNF...

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Resolved! Very slow GPIO on STM32H743?

Posted on June 19, 2018 at 09:07Hi all,I've started playing around with the NUCLEO-H743ZI to try out the H7 series and I've noticed that toggling GPIO output with BSRR is very slow. I've used CUBE to configure the board for a 400MHz SYSCLK and my ma...

stm32F7 nucleo and truestudio

Posted on June 12, 2018 at 17:50Hi,I have made several projects using the STM32F407 discovery board using the free version of Atollic Truestudio. Now i want to work with something more powerfull than the F4 and i have choosen the nucleo board with a...