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How to fix SZF and BEF error flags to establish communication on LIN bus?

Question asked by anishchoudhary on Dec 4, 2017
Latest reply on Jan 12, 2018 by anishchoudhary

Hi,

I am working with MPC5777M EVM board for LIN protocol and for that I am configuring the GPIOs and shorting PC[9] and PC[11] pin using jumper.Find the GPIOs configuration in following attachment.After GPIO configuration I am trying to transmit data through LIN bus. But during the data transmission I found two error flag are getting set, those error flags are SZF(Stuck at Zero Flag) and BEF(Bit Error Flag). How to Fixed that error which set these error flags?

 

Is there external voltage is also required or not ? If it is necessary then on which GPIO pin or LIN connector port I have to give supply ?

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