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Altera_Forum's avatar
Altera_Forum
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12 years ago

DE1 saving audio into the SD card

Hi guys, i am interested to know, how do i save some real time audio recording into the SD card with DE1. Thank you and appreciate any help for you guys :D
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

sure no problem,

apart from the SPI protocol the SD Card standard specifies a SD card 1-bit and an SD card 4 bit protocol. These are, as far as I know, more complicated, but faster. I found one or two IP-cores on open cores but I am trying to write one myself. And I can tell you it's complicated. you can find more about the protocols etc. here: https://www.sdcard.org/downloads/pls/