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Altera_Forum's avatar
Altera_Forum
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17 years ago

SOPC Builder SPI Core

I want to use the SPOC SPI core to interface to an ADC requiring 24 bit transfers. However, the SPI core only supports transfers upto 16 bit. Is it possible to do two transfers in order t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Chipselect will not be maintained between transfers if you do three 8-bit transfers. If this works with your ADC then you might be able to get away with it.

As far as modifying the code. You can try generating the SOPC system then looking at the generated SPI module to see if you can make use of it. I've never done it as it's always been just easier to write my own.

Jake