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AM3358: UART control from PRU

Aditya Sagi
Prodigy 10 points

Part Number: AM3358

Hi,

I have a motor control application using the BeagleBone Black which requires the use of multiple UART ports. I would like to control these ports from the PRU-ICSS. Can the UARTs (UART 2, 4, and 5) on the AM3358 be controlled from the PRU?

Thanks and regards,

Aditya

  • 0
    TI__Guru** 109450 points

    Hello Aditya,

    You should be able to control the system UARTs from the PRU. Make sure that the UARTs are not enabled in the device tree - that tells the Linux ARM cores not to mess with them. You would want to make sure that the clocks to the UARTs were enabled before attempting to read/write the UART registers from the PRU.

    Regards,

    Nick