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Altera_Forum
Honored Contributor
Honored ContributorSD card access
Is there some resource (eg datasheet) describing how to access an SD card from my DE2-115 board? The manual mentions using custom controllers to access the card in "SPI mode and SD Card 4-bit ...
Altera_ForumHonored Contributor
Honored ContributorThere is an IP from altera called SPI 3 WIRE you can use it to connect to the SDCARD in the 1-bit mode (which means only 1 bit of data).
You can also try the 4-bits mode which is a lot faster with this: http://opencores.org/project,sdcard_mass_storage_controller but i haven't tried myself.
