Data and clock pair are independent of CS. You keep the data clocking routine the same irrespective of CD connected to micro or tied low. Chetan Bhargava http://microz.blogspot.com On Tue, Aug 14, 2012 at 8:39 PM, Harold Hallikainen wrote: > > I've heard of this being done, but I've always wondered how you tell whic= h > bit is which. With CSn, the msb is clearly the first bit after CSn goes > low. If CSn is always low, how do you know which bit is which? > > Harold > --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .