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Altera_Forum's avatar
Altera_Forum
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13 years ago

DE2-115 board and SD cards

Dear all, I am lookking for a way to save a big amount of data using DE2-115 board. I hesitate between USB Hard drive and SD card. I think SD card may be the simplest way, but the SDXC which enables ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

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Yes, This is to capture measurements which will last nights and days, and whichever the stockage device that will be used, it won't be emptied every day. SDXC would be safer for us.

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I don't know what speed you need to access the SD card. if I were you I will consider to use a soft CPU core inside FPGA and have a uclinux or just Linux system run on it. By using the linux core i am sure there must be some support for exFAT. But for the low level driver and IP core I don't know if there is any differences between SD and SDXC.