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Patrik78's avatar
Patrik78
Icon for New Contributor rankNew Contributor
4 years ago

UART IP - waitrequest signal

Hello to everybody, working with Platform Designer (Quartus 21.1) I'm facing something strange: I'm trying to interface the UART CORE IP with a custom hardware. But I noticed the IP is missing any ...
aikeu's avatar
aikeu
Icon for Regular Contributor rankRegular Contributor
3 years ago

Hi Patrik78,


The DMA controller and UART IP can actually work together which does not require an interrupt.

Communication wise, the DMA has multiple channel, where UART is configured to one of the channel to trigger a specific DMA channel to read or write data

therefore, no need of interrupt or to disturb the core.

Polling or interrupt method is only applicable when core (processor) is involved


Thanks.

Regards,

Aik Eu