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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STM32L151 bootloader autobaud issues

Posted on December 17, 2015 at 10:06Hi,We are working on a design utilizing the STM32L151 MCU, which is to be programmed over a UART link using the internal bootloader. Selected baudrate for programming is 115200 (with even parity).The issue we are ...

about stm32 clock configuration

I am trying to configure my stm32L4 device clock for 80MHz with PLL I am trying to understand a piece of code i found online could someone explain what the c code below meansRCC->PLLCFGR = (RCC->PLLCFGR & ~RCC_PLLCFGR_PLLN) | 20U << 8; RCC->PLLCFGR =...

Resolved! STM32 rise/fall shape

Hi, guys. I boughtSTM32F446RE, mbed-Enabled Development Nucleo STM32F4 MCU 32-Bit ARM® Cortex®-M4 Embedded Evaluation Board (NUCLEO-F446RE)https://www.digikey.com/product-detail/en/stmicroelectronics/NUCLEO-F446RE/497-15882-ND/53477128MHz ±10ppm Crys...

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what is the sampling time in ADC ?

I am using STM32F446 and I see 15 cycles for 12 bit ADC which gives 1.5 Msps for 180 Mhz clockBut I see on the bottom sampling time from 3 cycles to 480 cycles under something called rank.does it means that it would actualy do one sample in 3 cycles ...

MNapi by Senior III
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Trigger ADC by timer

I'm having some difficulty getting this to work. This post is a very good description of the my confusion: https://community.st.com/s/question/0D50X00009XkghxSAB/triggering-adc-sampling-by-timer-eventsHowever the conclusion is not helpful. TRGO upda...

Lee3 by Associate III
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ST-LINK V2 Can not connect to target! Help Me!!

Posted on August 22, 2016 at 14:52Hi All,Connect the pins were as follows: SWD ST-LINK V2 and between MCU.1:VDD - VDD3:GND - GND7:SWDIO - PA13_SWDIO 9:SWCLK - PA14_SWCLKPDR_ON: 10k pull-upBOOT0: 10k pull-downBYPASS_REG: 10k pull-downVCAP: 2.2uF GNDV...

sim20 by Associate II
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Resolved! Beginner problems with 2xSPI and RTC

Hello, may someone help me with these peripherals? I have never used them on any ARM.I am using STM32F051C6T8 in this project.My setup, I have two shift register chains connected to SPI peripherals. I am using two peripherals, because two types of re...