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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Why does spi communication fall into an infinite loop?

After about 14 minutes of normal communication with the chip through spi as the source below, it falls into an infinite loop.Why do you fall into an infinite loop?please I'd appreciate it if you let me know.int spi1_writeread(const unsigned char* txb...

superK by Associate II
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PTP stack for STM32F4

Hey guys! I have been starting to work with PTP on STM32F413 and faced with total lack of documentation. I also saw a few threads here about this problem, and comments that this feature no longer supported. Is it real? And are there any ways to imple...

ironyoid by Associate II
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LL_RCC_LSE_IsReady loop forever

The issue is gone, but I couldnt understand the source of issue. After a day programming a dev board with stm32h750, almost all peripherals works correctly. However, suddenly the LL_RCC_LSE_IsReady keep return 0 forever. I tried to reload the code, a...

JCuna.1 by Senior
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STM32H745I-DISCO Locked out of STLink

I'm having an issue with a new STM32H745I-DISCO board where I cannot connect to the stlink from the STM32CubeProgrammer. The serial port is recognized, but the error reads "No STM32 target found" The reset button on the board also does not work. I th...

EMurp.1 by Associate II
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  • 1 replies
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Undocumented TTCAN-Error in MCU STM32H743 found

Dear Madame or Sir.We found following undocumented problem on MCU STM32H743.It occures only, if TTCAN mode is activated for FDCAN1:FDCAN1:If TTCAN is activated (LEVEL = 01) and the TX-COMPLETE Interrupt of TX-BUFFER 1 is activated,  and the TX-COMPLE...

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Resolved! HAL SPI function writes wrong values into reciver Buffer

Hello, I am not an embedded systems guy, so please bear with me.I have an issue reading data to my STM32G071 nucleo board from an external device via SPI using DMA. To do this I used code from an ST example project.I suspect the issue lies within the...

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RCsak.1 by Associate II
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Resolved! STM32H753XI-EVAL2 + IAR + I-Jet binary download error

Any one have the following configuration.HW: STM32H753XI-EVAL2Toolchain: IAR EWARM 8.20.2Debugger: IAR I-jetI am getting "Download completed but verification failed." error for the example project UART_HyperTerminal_IT in STM32 MCU Cube Firmware Pack...

KGane.1 by Associate III
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  • 3 replies
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Debugging with Codegrip ICD

I got the Mikroe Fusion for STM32 V8 per recommendation from the STM32F302x product page. I'm trying to debug using the onboard debugging unit but having trouble finding ANY documentation to do this. Since this device is linked and recommended by S...