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Altera_Forum
Honored Contributor
21 years agoNios-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...
Altera_Forum
Honored Contributor
20 years agohello michael,
what kind of termination do you use for rs485 ? do you bias the bus with resistors, like it is shown in the following document in figure 7 (multidrop/fail-safe termination) ? http://www.maxim-ic.com/appnotes.cfm/appnote_number/723 (http://www.maxim-ic.com/appnotes.cfm/appnote_number/723) http://pdfserv.maxim-ic.com/en/an/an723.pdf (http://pdfserv.maxim-ic.com/en/an/an723.pdf)