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STM32U5A9 USB MSC

 We are currently working on a project with the STM32U5 series running FreeRTOS and need to integrate the USB Mass Storage (MSC) class for adding pendrive / thumbdrive support. While exploring solutions, we noticed that CubeIDE doesn't directly suppo...

nfkt by Associate
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Resolved! STM32H723 SWDv2 multidrop

I'm looking to program multiple STM32H723 chips on the same board through the same programming interface. I'm currently using SWD. I see in the documentation that multidrop is supported but I don't see any information about how to program the instanc...

Flash writing issue

Split from this thread: https://community.st.com/t5/stm32-mcus-embedded-software/flash-writing/td-p/753438 Hi @mƎALLEm  thanks and   void StartUpdateFWBlueNRG(uint32_t SizeOfUpdate, uint32_t uwCRCValue) { __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_PGAERR); ...

Resolved! STM32U575 GPDMA1 Configuration Problem

Hello,I have a board with a STM32U575RGTX CPU, and i use SPI1 with a 2.8" TFT ILI9341 Display.I got problems with the GPDMA1 configuration, and need help.main.c:  int main(void) { /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /* MCU Configur...

spi1.png spi2.png spi3.png
Sany by Associate III
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Resolved! STM32H753 Flash Memory Type

The STM32H753 Reference Manual (RM0433) covers the integrated flash memory inside the microcontroller. It does not say why type of flash is integrated though (NOR or NAND). Is it possible to share what type of flash it is?

Resolved! FDCAN interrupt on STM32G481

Hello,I am using STM32G491 FDCAN modules 1 and 2 in bare metal. While everything works perfectly on CAN2 the interrupt on CAN1 is constantly disabled. And I do not mean the flags but the actual interrupt does not fire. Each time the interrupt for CAN...

Resolved! DMA across power domain

Hello everyone, I am working with the stm32h755 and I'd like to move data from spi3 rx (D2 domain) to my AXI SRAM (D1 domain) with the DMA controller DMA1. I am a bit confused by what I am reading and I can't really figure out if this cross domain tr...