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RS-485 full duplex problem

Question asked by immortal13 on Mar 18, 2014
Latest reply on Mar 21, 2014 by immortal13

Hello!

 

I have got a problem with ADM3491 RS-485 tranceiver. I have to transmit and receive data via this chip simultaneously in full-duplex mode.

 

I have already configured connection in half-duplex mode. If I enable either only transceiver or receiver, then everything works well. But if I try to enable it in full-duplex mode, i.e. enable both transceiver and receiver and thereafter write some data to DI pin, then I unforunately receive that data on RO pin.

 

Could anyone know the cause of this problem?

 

Best regards,

 

Viacheslav

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