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...


To write I2C functions using interrupts and DMA

Bonjour, Pouvez-vous me dire pourquoi cette façon d'écrire lors d'une transmission I2c par interruption ou DMA ne fonctionne pas :EN: Hello, Can you tell me why this way of writing during an I2c transmission by interrupt or DMA does not work? annul...

Rom by Associate
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Resolved! FreeRTOS with a non FreeRTOS app

This question is not very specific. It is quite open ended and is probably best posed to those at FreeRTOS support but I will ask here first as your support is excellent.Having spent months developing a Project that is optimized to the best of my abi...

Resolved! Coding Error

This is a portion of my product code, but i got some problem. When an external interrupt occurs i want to start a timer and increment one variable and when timer reaches 30 seconds i want to display the variable via UART. I will provide my code.when ...

Resolved! STM32H725 and ST-LINK Utility - Can not connect

Hello,I'm using a STM32H725 microcontroller.I'm able to connect and flash the microcontroller with STM32CubeIde and with STM32_Programmer_CLI.exe, using ST-LINK dongle.When I try to connect the microcontroller with ST-LINK Utility on windows, it alwa...

Albeno by Associate
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2 ADC channels assigned to 1 MCU pin

I have designed a buck converter that uses the MCU to regulate its output voltage.I am using one pin for the voltage feedback that will be used to regulate the output.  However, because it has to read this pin very quickly, the sample period has been...

STM32H5 external loader

Hi, I need the project used to generate the external loader: MX25LM51245G_STM32H573I-DK.stldr. My custom board uses a STM32H563VIT6 and the same octo-spi flash from Macronix used in the STM32H573I-DK board. But with different gpios connections. So th...

AMend.7 by Associate III
  • 18 replies
  • 4 kudos

STPM33 SPI issue

I'm using an STPM33 digital signal processor driven by SPI using an STM32G071KBUX microcontroller. Comunication apparently seems to be ok but if I try to enable the only UART/SPI read error interrupt (into US_REG3 register) using the INT1 and INT2 as...

RCase by Associate II
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