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Altera_Forum's avatar
Altera_Forum
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13 years ago

SPI with DMA is not working?

Hi, everyone I am using SPI Master Core on FPGA to transmit data to SPI slave (offboard device). I want to use DMA to free my NIOS for other tasks during SPI data transfer. My Idea is NIOS...
Altera_Forum's avatar
Altera_Forum
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13 years ago

I am still wondering cause I found the following sentence in document ug_embedded_ip. So I have to understand there is a bug in document?

actually UART has the same interface as SPI for data transfer. So can I neither use DMA to stream data to UART?

"The SPI core can be used in conjunction with

a DMA controller with flow control to automate continuous data transfers between, for example, the SPI core and memory."