>and yes, I did study the datasheet sections 5.3, 5.4, and I >have worked with the instructions and written some program >to read the data from the external bus and process it and so on. >I just have a hard time to get from the multi page >description to a simple code. Would you be better off using C? have a look at the Microchip C18 compiler. http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1406&dDocName=en010014&part=SW006011 -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist