On Thu, Jun 14, 2012 at 9:03 AM, wrote: >> Full SD mode is physically like SPI except there are a varying number of= data lines >> that allow for parallel data transmission so it is much much faster than= SPI mode. > > From peoples mumblings on this list, SPI mode is also significantly slowe= r. Most people would agree that if A is faster than B, then B is slower than A. Also, few people would disagree. --=20 Martin K. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .