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C6474 Antenna Interface for Inter-DSP Communication

Yu-Fu Hsieh
Prodigy 80 points


Hi:

We have designed our own C6474 target board which has 4 C6474 in it. I got IAClib version 1.5 and InterDSP_AIF_BIOS_Advanced_Example_1.5. Compiling, Linking, and Program loading are just fine. But, it only showed:

0 Main started

1 TX task: started

2 RX task: started

Then it holds and nothing shows up. So, my question is:

How do I connect external clock and sync source to Fsync module to make it work even using loopback mode?

Thanks in advance

UFO Hsieh

  • 0
    TI__Guru* 84110 points

    I recommend making connections as shown on the representative pins of the C6474 devices on the EVMC6474. At least one AIF channel was connected between the two DSPs on that board. You may have to contact Spectrum Digital to get that information, if you do not have an EVM. I also recommend you acquire an EVM if you do not have one. It will provide a useful validation tool for you.

    Otherwise, the appropriate User's Guides will be the next good place to look for this information, and the documentation that comes with the IACLib.

    Regards,
    RandyP