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Altera_Forum
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10 years ago

Qsys SPI(3 Wire Serial) control

Hey, I am trying to build a SPI interface using the Qsys tool for a Cyclone IV I am using but I can't seem to figure out how to use the SPI (3 Wire Serial) IP in the catalog. It requires an Avalon M...
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Altera_Forum
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10 years ago

Have a thorough read through the datasheet for the 'spi core' (https://www.altera.com/content/dam/altera-www/global/en_us/pdfs/literature/hb/qts/n2cpu_nii51011.pdf). This covers all aspects of the peripheral, what it should connect to, and how to control it.

You can also refer to the spi slave to avalon master bridge design example (https://www.altera.com/support/support-resources/design-examples/intellectual-property/embedded/nios-ii/exm-spi-bridge.html) on Altera's website. This does everything you require.

Cheers,

Alex