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TMDSCNCD28388D: Trouble enabling FSI loopback mode

Shivani Shah
Prodigy 85 points

Part Number: TMDSCNCD28388D
Other Parts Discussed in Thread: C2000WARE

When setting the INT_LOOPBACK to 1, the receive pins still do not match the transmit pins. Any advice?

  • 0
    TI__Mastermind 45606 points

    Hi Shivani,

    Shivani Shah said:
    receive pins still do not match the transmit pins.

    What are you meaning by the above exactly, how are you performing your test? Are you trying to probe the RX pins in loopback mode to see the TX signals, or something else?

    Please take a look at the 'fsi_ex1_loopback_cpucontrol' example within C2000WARE for proper SW configuration for internal loopback mode. There's also an External Loopback test mode that can be enabled in the example using the 'EXTERNAL_FSI_ENABLE' define.

    C:\ti\c2000\C2000Ware_3_04_00_00\driverlib\f2838x\examples\c28x\fsi

    Best,

    Kevin