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Altera_Forum
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20 years ago

Nios-II SOPC UART delivers wrong bytes

We use the UART in our Nios-II design that comes with Quartus 5.0SP1 and Nios-II 5.0 We face the problem that sometimes the Uart reports wrong RX Bytes from correct RX streams. The serial str...
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Altera_Forum
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20 years ago

>Today i "Signaltaped" this problem and indeed the uart delivers wrong data.

Hi MSchmitt,

what the type of download cable you are using?

Is that BB-II? I heard that BB-II has a poor performence

when it is used for debugging and signaltapping.

The cable itself perhaps result in wrong code!

So if you wanna make sure that is the problem

caused by UART, I think perhaps USB Blaster is a little bit better.

Regards,

Don