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Re: [lpc2000] SPI howto

2005-04-18 by Robert Adsett

At 12:14 PM 4/18/05 +0000, lpcarmed wrote:
>There was a lot of discussion about SPI recently, it would be great if
>we could summarize how to use it right. For starters this is what I
>collected:
>
>- SPI master could not use the select line. SSEL needs to be pulled up
>in master mode. If master needs to use select line use a regular GPIO
>and drive if from the code.
>
>- There is no FIFO around the SPI.
>
>- There is no receive without sending first in master mode.

Add it to the FAQ http://www.open-research.org.uk/ARMuC/index.cgi?LPC2100Tips

Robert

" 'Freedom' has no meaning of itself.  There are always restrictions,   be 
they legal, genetic, or physical.  If you don't believe me, try to chew a 
radio signal. "  -- Kelvin Throop, III
http://www.aeolusdevelopment.com/

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