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Altera_Forum's avatar
Altera_Forum
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14 years ago

Speed of SPI core problem

Hi I have generated a uClinux kernel for my DE0 board,and I use the IP core of SD card is SPI core with 30MHz clock (According to http://www.alterawiki.com/wiki/mmcsd). I can opera...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

I think I can replace the SPI mode with SD 1-bit mode.

But Altera don't provide IP core of SD 1-bit. It just provide the SPI core which is free.

The most importance is the uClinux don't provide the driver of "SD 1-bit".

Therefore I don't know how to do

Please someone give me some suggestions.

Thank you very much