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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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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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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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...

Resolved! UID_BASE access from STM32H745ZI CM4 Core?

I would like to access the UID_BASE (0x1FF1E800) register from the CM4 core, but I run into a HardFault. I checked the reference manual and page 137 says that memory map is reserverd for the CM7.Is there a way to read it somehow to map that System Me...

Beni1 by Associate II
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Resolved! Software interrupt with STM32

Hi there,I'm trying to implement a software interrupt using the STM32L432KC. I want to trigger an interrupt when I reach a certain point in the code. Unfortunately I didn't find any helpful example.Once I tried to set bit37 in the IMR2 register.SET_B...

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