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CCS/TMS570LS3137: TMS570LS3137

user5269270
Intellectual 705 points
Part Number: TMS570LS3137

Tool/software: Code Composer Studio

Hello,

if my application i want to use CAN3TX and CAN3RX as GPIO functionality and as well interrupt like GPIO. How to configure as interrupt?

I gone through the GIO module GIOC and GIOD port which are all ?

guide to slove this problem...

waiting for your reply.....

regards,

AnandKumar

  • 0
    TI__Guru**** 196306 points

    Hello,

    The CANTX and CANRX can be used as GIO, but it doesn't support GIO interrupt.

    Please use TIOC and RIOC to control CANTX and CANRX pins in GIO mode.

    Note that the values of the IO Control registers are writable only if Init bit of CAN Control Register is set.The OD, Func, and Dir bits of the CAN TX/RX IO Control register are forced to certain values when Init bit of CAN Control Register is reset, see bit description.

  • 0 in reply to QJ Wang
    Intellectual 705 points

    Hello wang,

    Thanks for your information..

    can you tell me GIOC and GIOD comes under which protocol of TMS570LS3137. I have gone through the datasheet but i didn't found that. 

    Regards,

    Anand Kumar

  • 0 in reply to user5269270
    TI__Guru**** 196306 points

    Hello,

    This device has two dedicated GPIO ports: A and B. There is no port C or port D on LS3137 device.

    Please use CAN TIOC and CAN RIOC registers to configure CANTX and CANRX as GIO