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LIN transmission on 5748 EVB fails sometimes

Question asked by Xinwei Chang on Mar 27, 2016
Latest reply on Mar 29, 2016 by Petr Stancik

I am now working on 5748G EVB using the Freescale examples (AN4830) to transmit LIN frames. However, I found the EVB fails to send out a LIN frame sometimes using the same code. I have checked the LIN transceiver power and it was OK. When the error occurs, the in LINESR the stuck at zero bit (SZF) and bit error flag(BEF) is set, and the there is no frame send out. I am sure the code once worked, is there something else I could have omitted?