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RE: [lpc2000] Max speed of SPI port for SD/MMC?

2006-01-19 by Joel Winarske

> If I wanted to hit the magic speed of 25MHz for SD Cards, I would have
> to run the LPC2103 clocked at 50MHz. Then SSPCPSR set to 2 would
> provide 50MHz / (2 * (0+1)) = 25MHz.

That is correct.

> 
> From what I understand, SPI1 also provides 8 byte FIFOs for
> send/receive. It sounds like I need to use the SPI1 port, and forget
> about the SPI0 port.

I would suggest using SPI1 if possible.


Joel

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