From: Cristian Mitu <[email protected]> Reply-To: "[email protected]" <[email protected]> Date: Thursday, July 3, 2014 at 4:55 AM To: "[email protected]" <[email protected]> Subject: Re: [beagleboard] UART RS485 transciever setup
> 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 recommend using a translator in both directions. This is the type of translator that will do what you want: http://www.ti.com/lit/ds/symlink/txs0102.pdf If the package is difficult for you to use, use a SMD to conventional pin adapter or look for a similar device in a DIP package. Regards, John > > > > 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.
