>> I would like to read/write to an spi eeprom with a pic 16f874 does anyone know where I could find an assembly programming example of the routines?. << We have a well tested module that runs on a 16C66 and provides a simple procedural read/write interface to a 25C30 EEPROM. It automatically detects when writes cross into a new page, etc. We can customize to suit. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads