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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Re: [lpc2000] SPI howto
2005-04-18 by Robert Adsett
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