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Honored Contributor
Honored ContributorUART in nios II
Hello We need to use UART com on our NIOS poject We are using cycloneV what should be the best qsys architecture in order , so to free the cpu so it can perform other task while the sy...
Altera_ForumHonored Contributor
Honored ContributorI mean the UART core which comes for free with Qsys has no FIFO; then you may need to add a dma component to manage rx data if you want performance.
Other commercial UART cores usually have FIFOs or a build-in dma (like the 16550 you mentioned), but the way to interface to Nios depends on the core specifications; you must refer to the datasheet or an application note from the vendor.
