solarwind wrote: > So are just > the SFRs 16 bits wide or are all the memory registers (GPRs) 16 bits > wide? Clearly you haven't even tried to read the manual. The basic architecture of the dsPIC is well covered in the manual, and needs to be understood before attempting to do much else with it. Go do your homework. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist