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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Timer1 MOE and breakpoints

I am using an STM32F4 micro using TIM1_CH1 and CH2 outputs to create a communications signal with compare outputs. The first bit that I am outputting is wrong, so I would like so set a breakpoint to see what is going on. BUT, when I check the timer c...

gahelton1 by Associate III
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B-L475E-IOT01A Flash Erase & Write

I want to work on flash with B-L475E-IOT01A1.​After flash erase operation, flash write operation is performed, and memory is being checked through debugging.​On other boards, flash erase operation changed the memory in that location to the "?" mark, ...

GKIM.4 by Associate II
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Clock cycle behavior as a function of frequency

Hello, On the STM32F746ZG I measure the clock cycle needed to execute a code thanks to a timer which runs at the same frequency as the core clock.However, for the same code, with exactly the same measurements process, the clock cycle needed to execut...

TGA.1 by Associate
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How is wrap-around handled in CCR registers

Apologize in advance for what may be a basic question. I have a background in C programming and other languages mostly at the application layer. I have however, supervised, reviewed, and analyzed embedded C code at lower layers from others. My curren...

SPI does not working as expected

Hi,i am working with STM32U575x, I am trying to implement SPI transmission (using the blocking function - HAL_SPI_Transmit.The problem is that sometimes the function is stuck while waiting for EOT event.someone here, in this fourm suggested to redu...

AA.10 by Associate III
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