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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Problem of SPI slave transmit

I testing SPI using two STM32F411 disco.One is master, the other is slave.My problem is only work MOSI , MISO is not working.I attach my Two source code.This is setting of my disco board.Do you have any idea about error of Slave transmit of SPI?

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RTC missed alarm STM32 L152VB

Hi,I use RTC for timing FreeRTOS (also in Tickless mode - in STOP mode) I use ALARM A in rtc. I noticed one weird behavior. Some times for examaple after 5 hours of running program the ALARM A is missed - no Interrupt of alarm happended, althougt the...

JAN R by Associate III
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Resolved! Handling 16bit register address in i2c communication

I am trying to use ov5640 camera with stm32l4r5 board nucleo-144. The ov5640 has SCCB bus which is similar to i2c. But ov5640 has register with 16bit address (0x300A, 0x300B like this). I used CUBEMX to initialise i2c pins and generated code. How can...

PToma.14 by Associate II
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Resolved! ADC resolution and its reference voltage

I am using STM32F407VG board. I wanted to know about the reference voltage and ADC resolution available on this board. I couldn't find the exact info related to these parameters in the datasheets.

rrach by Associate II
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Advancing debug steps clock by clock

Hello AllI understand that debug steps advance instruction by instruction (whether in C or assembly). I wonder if there is any way to advance CPU clock by CPU clock. I need this to debug an issue I have with the SysTick timer.Thanks

Amir1 by Associate II
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Finding sizeof(structure) in Atollic TrueSTUDIO

Hello, I am programming a SMT32 chip and I am trying to find the size of a defined structure like the code snippet below. From reading online, using sizeof() on a structure can yield different results on different IDEs. When I use sizeof(struct some...

BRoge by Associate II
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Resolved! STM32L0 stop mode - RTC wakeup not working after RESET

STM32L041F6 - I configured RTC for wakeup every second from Stop mode. It works ok, but after external reset (NRST pin) it not working. Program run in main while() only once, to line:HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);...

mat-ush by Associate
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  • 1 replies
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