STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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Resolved! Nucleo F429 boot - what happens?

I have a weird problem. I have the Nucleo board with a TLE493 magnetometer connected. When I connect the USB cable (power the system), file manager opens. If I then close the window, upload my SW using Atollic, my magnetometer code works fine, but if...

Guide on USB Device DFU for STM32F412ZE

Hi,I have a working code using STM32F412ZE and I would need to be able to reflash the MCU via USB. One of the things I had come up with is using the DFU. I am also working on a custom board. I had setup the USB pins using the STM32CubeMX. I had also ...

KGayo by Associate
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Issues with STM32H7 USART bootloader application code

Hello,I writing an application code that will allow the system memory bootloader to be entered via a simple USART receive. I basically followed this post and got it working successfully:https://community.st.com/s/article/STM32H7-bootloader-jump-from-...

JSqui by Associate
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Getting I2S output of 192k for STM32F446?

Hi, I would like to know if I can use STM32F446 and generate 192k I2s output. consider I need to use USB_OTG_HS.I am trying to setup pins and clock configuration in STMCube, but for the I2S_APB1 it gives me range of 172MHZ to 192. and even with 192 i...

NNIA by Associate II
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BUG: STM32Cube_FW_H7_V1.5.0 - HAL_RCCEx_GetPLL3ClockFreq() reports incorrect frequency when FRACN mode enabled.

HAL_RCCEx_GetPLL3ClockFreq() computes the frequency of the three outputs of PLL3. When PLL3 is in Fractional N mode it reports wildly inaccurate frequencies which can affect the setup of other peripherals like the SAI.The problem is that the PLL3 cod...