STM32 MCUs Products

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STM32H743: BDMA channel for SAI interface does not work.

I would like to use SAI interface, but the initial setup seems to be failing. ErrorHandler was called because of FIFO is Empty after calling HAL_SAI_Transmit_DMA().​The SAI is set up as follows: hsai_BlockA4.Instance = SAI4_Block_A; hsai_BlockA4.I...

Mapyam by Associate II
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  • 4 replies
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Interupt driven uart reception not working

Hi all iam working in stm32 f051c8tx microcontroller im trying to recieve a byte and if i recieve a byte in intrupt im printing "hello world " via tx of the same uart, the issue is im not able to recieve any char the below is the code any thoughts p...

NJP.1 by Associate III
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  • 10 replies
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Stm32 Header for binary files

Hello everyone,​we have to uart bootloader for stm32 mcu application. We update binary files with uart bootloader. But we need stm32 header for binary files. ​There are multiple binary files and Multiple devices that I have loaded with uart from the ...

akesk by Associate II
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  • 5 replies
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INVSTATE hard fault with SPI interrupt handler. STM32F405

I'm attempting to have my program run some code when a SPI transfer is complete using the RXNE flag. Setting the RXNEIE bit invokes SPI2_IRQHandler() as expected but it always results in a hard fault (CFSR register = 0x20000), without any additions t...

AWats.4 by Associate II
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  • 2 replies
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MCO capability

I'm working on a board redesign due to supply chain issue with a NXP MK70 MCU. The previous design clocked both the MK70 and a Spartan 6 FPGA with an external 50MHz crystal oscillator.The new design is using the STM32L4R9AII6 MCU -- max HSE input fre...

RussP by Associate II
  • 1800 Views
  • 4 replies
  • 0 kudos