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sharing SPI

Topic last updated 24 May 2011, by Igor Skochinsky. 1 reply
Mike Lu
24 May 2011

In my project, I plan to share one SPI controller between a SDHC card and a graphic LCD controller so I can have a SPI controller dedicated for expansion purposes. (I'm designing the LCD controller so I can set it to use the same SPI format as the SDHC.) Is it possible to do that and will I have to modify the SD library for it to cooperate?

Igor Skochinsky
24 May 2011

It should be fine as long as you use separate CS lines.