Cristian,
2014-07-03 8:55 GMT-03:00 Cristian Mitu <[email protected]>: > Thank you for your response John. > So i only need to to translate when sending data to the BBB or for both > TX and RX ? > > I'm using BBB with a 75176 transceiver (5V powered). Put a diode between BBB Rx and 75176: 75176------|<|------BBB Rx And a pullup resistor, from BBB Rx to 3.3V. It's working fine. > > > > 2014-07-03 5:18 GMT+02:00 John Syn <[email protected]>: > >> >> From: Cristian Mitu <[email protected]> >> Reply-To: "[email protected]" <[email protected]> >> Date: Wednesday, July 2, 2014 at 1:49 PM >> To: "[email protected]" <[email protected]> >> Subject: [beagleboard] UART RS485 transciever setup >> >> Hello guys, >> >> >> I am designing a board ( an adapter board for the BeagleBine black) that >> is un upgrade for a current system. Beacuse of this i specifically have to >> link a 5V TTL RS485 transceiver to one of the UARTs available. I am not >> sure what logic family the BeagleBone uses(though i'm guessing that it is >> CMOS) and because of this i want to know if this old transceiver can be >> wired directly to the BeagleBone or is it unavoidable that i have to use >> logic level translators for the signals. I apologize for the newbie >> question and i thank you in advance for your response. >> >> You will need to translate the 5V TTL signals to 3.3V before connecting >> to the BBB. >> >> Regards, >> John >> >> >> >> PS >> >> If you could direct me to some good drivers for RS485 communication i >> would be overwhelmed with joy and eternally grateful :) >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> >> For more options, visit https://groups.google.com/d/optout. >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to a topic in the >> Google Groups "BeagleBoard" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/beagleboard/tsrW0hBClBc/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> >> For more options, visit https://groups.google.com/d/optout. >> > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
