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TMS320F28388D: FSI loop back using two F28388D MCUs

Part Number: TMS320F28388D
Other Parts Discussed in Thread: C2000WARE

Tool/software:

Hello,

I'm trying to implement a simple loop back using two F28388D MCUs. Two projects are created by modifying the sample project fsi_ex8_ext_p2pconnection_rx/tx. After handshake, project test_fsi_tx initiates data transmission on the CLA, and receives the data by polling on a flag in the infinite loop. Project test_fsi_rx receives incoming data in RX_INT1 and loops the data back to the transmitter right after receiving.

Two issues i'm facing:

1) The transmitter (project test_fsi_tx) enters fsi EOF error trap when receiving the loop back.

2) The fsi clock frequency cannot exceed 25Mhz.

I have the projects attached to this ticket, please advise. Thank you

Austin

test_fsi_rx.zip

test_fsi_tx.zip