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CCS/AM3352: GPIO_EOI register write causes crash

Part Number: AM3352


Tool/software: Code Composer Studio

Hi

      When I write 0 to GPIO_EOI Register on an EDMA complete ISR function inorder to 

acknowledge DMA event has been cpmpleted ,application will crash after about 2s,

where or when need to write 0 to GPIO_EOI Register ?

why it cause the applition crash?

My PDK version is pdk_am335x_1_0_13.