What happen in LIN protocol if Slave is not present during the data sending by master.

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What happen in LIN protocol if Slave is not present during the data sending by master.

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anishchoudhary
Contributor III

I configure a ID  in BIDR register for slave in master mode for transmitting data from master to slave but with there no one slave have that same id that I am transmitting by master, then what will happen? Is that goes in infinite waiting state till new frame is not coming or same slave is not found.

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PetrS
NXP TechSupport
NXP TechSupport

Hi,

if Master is sending a data then nothing happen. Master transfers full frame, sets DTF flag and goes to IDLE.

Then user can generate another frame. Master is always sending a header. If Master is transmitter then it is sending a data too. If Master is receiver, then after sending a header it waits for data from Slave.

BR, Petr