STM32 MCUs Embedded software

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Forum Posts

Static DFU Serial Number on STM32F723xx

There have been previous posts about determining how the DFU serial number is formed from the 96-bit Unique ID.  However, when using the ROM bootloader for the STM32F723xx MCU I don't see unique serial numbers at all.  I am always seeing the same DFU...

jwj by Associate
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  • 2 replies
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PDM Mono Mic on SAI_A with DMA Transfer

Hi, this is my first post here and one of my first experiences with the STM32.I'm working on an STM32H7A3ZI-Q development board. I've connected an Adafruit PDM microphone to SAI1_A with clock on PE2 (SAI1_CK1) and data on PE6 (SAI1_D1). I'm not an ex...

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LGR by Associate
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  • 1 replies
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STM32U5A5 instruction fault after WFI

Struggling with a really weird issue here. I'm working on a project using Zephyr on an STM32U5A5ZJT6Q. We are using an LSE-clocked LPTIM as the tick source, PM enabled with STOP0 and STOP1 modes.At some point, we started noticing random crashes, whic...

kamnxt by Associate
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DCMIPP silient failure

Hello team, Another day,  new same issue. :pensive_face:I have setup the DCMIPP PIPE 1 for the stm32n6570 DK, so that it dumps frames in address 0x34200000 which maps to SRAM3 begin address I have enabled bothe the memories SRAM3 and SRAM4 but with o...

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Resolved! STM32H743 USB CDC HardFault

Hi ST Community,    Our project uses STM32H743 (LQFP100). The system clock is set at the max 480MHz. The USB Device interrupts would occasionally cause a HardFault. For example, if we plug in or unplug the USB. The data hpcd would occasionally be 0xF...

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Jerry_Hu by Associate II
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  • 5 replies
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Resolved! SPI4 RXNE never raises on STM32G4

Hello, my project is using all 4 SPI interfaces on the STM32G474. SPI1-3 all work flawlessly, but SPI4 never triggers the RXNE flag. All SPI buses are configured identically, with the only differences being the pinouts and APB1 vs 2 bus. I am polling...

amo25 by Associate II
  • 223 Views
  • 7 replies
  • 5 kudos