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SPI1 channel getting afftected when SPI2 and SPI3 are used with DMA triggered with timer

Maqsood
Visitor

‎2024-08-29 01:58 AM

Hi Team,

We are using a STM32F407ZG MCU and we have a UI interface (LCD, Keypad, touch) on SPI1 polling method.

We are using SPI2 and SPI3 for DAC interfacing. We have used DMA with time triggered for the SPI2 and managing the SPI3 with Timer.

During testing we are seeing the touch is freezing after enabling the SPI2 and SPI3.

Individually all are working fine.

Appreciate any lead on this.

Thanks,

Maqsood

 

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