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TMS570LC4357: SCI OverRun Issue after Interrupt not working.

Mohan KB
Prodigy 35 points
Part Number: TMS570LC4357


Hello Team

sci4 we are using for printing the system running status on Terminal. we have totally 3 setups. 2 setups are working fine. another 1 setup always we are getting the overrun error when we unplug & re-plug the cable. once overrun occurs system not working as expected please provide the solution when overrun error occurs in UART.

  • 0
    TI__Guru**** 198766 points

    Hi Mohan,

    To ensure data integrity, the SCI module checks breaks, parity, overrun, and framing errors. If you doesn't read the data from SCIRD register on time, the new coming data will be transferred from SCI shift register to SCIRD register and overwrite the unread data already in SCIRD.