The serial port is fixed and the SPI is also updated. At the end of the data sheet is a list of differences. At 01:28 PM 1/28/99 -0800, you wrote: >Does anyone know what the difference is between these two versions? >I don't see the diff in the data sheets but they are enormous so I might >easily have missed it. >Tom > > Larry G. Nelson Sr. mailto:L.Nelson@ieee.org http://www.ultranet.com/~nr