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Altera_Forum
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13 years ago

UART and RS485: how to control transmit enable on RS485

Hi Forum I am pretty new working with FPGAs. I am using the Altera UART IP core which is connected to a RS485 transmitter. The RS485 transmitter have a receive-enable pin and a transmit ena...
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Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

The default Altera UART doesn't make it easy to add hardware transmit enable function, but the fifoed avalon uart (http://www.alterawiki.com/wiki/fifoed_avalon_uart) available on the wiki can implement it for you. Then you just have to connect it to your transceiver.