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RX / TX LED are swapped on the Zybo


theUltimateSource

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I get your frustration but also feel a bit of sympathy with the folks at Digilent. The confusion is a grandchild of the RS-232 specification back when UART usually implied RS-232. This peer to peer interface had DCE or DTE ends, connector genders and connectors with different numbers of pins.... what a mess! Using a UART was as much fun as a snowy two lane country road where there are only 3 ( the middle one being shared by traffic going both directions ) bare strips for your tires amid the ice and snow.I still have nightmares about not being able to do something because I can't find a $%#^% gender or DB-9 to DB25 changer...

At least I have to congratulate Digilent on being consistent and providing a clue in the signal names as to what you need to look out for when using an external UART.

So which kind of device is the Zybo? I could argue for either one...

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