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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Resolved! How to move ISRs to ITCM RAM

Hello,I try to run an ISR (void TIM3_IRQHandler(void)) in the ITCM RAM area. I'm new with scatter-files. Anybody has an example?(NUCLEO-H743ZI, Keil uVision)RegardsJakob

STM32L433CCT6: VBAT current anomaly

I'm still having problems with VBAT current consumption. I've loaded my firmware and the processor behaves correctly in all other respects. I removed all components from the processor to insure that there are no sneak paths for parasitic current dra...

Blue pill: What is my sampling frequency ?

Hello,My adc clock is 140.625 KHzMy sample time is 239.5 CyclesSo my Conversion time = 239.5 Cycles + 12.5 Cycles = 251.5 Cycles.1 Cycle = 1/Adc Clock 1/140.625 KHz = 7.1uSSo total conversion time = 251.5 * 7.1uS = 1.78msi.e my sampling frequency = ...

KVenk.8 by Associate
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Waveshare epaper displays

I have purchased through Amazon 2 epaper displays from Wisebatt1.54 inch bi-color (black/white/red) 2.13 inch mono color display with HAT interface boardFor the first one, the black was ok but the red was shrunk to 1/4th top left quadrant of the disp...

S.Ma by Principal
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Calculating a pulse period ?

Dear Members,How can I count a pulse from a sensor with timer ?How can I calculate the period of this pulse ? samplebuff[i].ired   = buffer_rx[ j ];       samplebuff[i].ired  <<=  8U;       samplebuff[i].ired  |=  buffer_rx[ j + 1 ];betweensamp...

I am using the ADC on NUCLEO- STM32F401RE board. ADC is programmed using interrupts and the code does not work beyond 10kHz of input signal. What am I missing?

#include "main.h" #include "stm32f4xx_hal.h"   /* Private variables ---------------------------------------------------------*/ ADC_HandleTypeDef hadc1;   /* Private function prototypes -----------------------------------------------*/ void SystemClo...

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