At 03:08 PM 3/25/2011, Olin Lathrop wrote: >However, what does this have to do with the bootloader doing word versus >page writes? From an earlier message from the Original Poster: >My boot-loader inter-operates with the application. When the application >receives packets that are for the boot-loader, it calls a function >inside the boot-loader which saves the packet. When the boot-loader >receives the last packet and validates the firmware, it doesn't return >to the application and does the real programming. In other words, his boot-loader is responsible for saving the new=20 firmware to scratchpad FLASH as it received. That requires word writes. dwayne --=20 Dwayne Reid Trinity Electronics Systems Ltd Edmonton, AB, CANADA (780) 489-3199 voice (780) 487-6397 fax www.trinity-electronics.com Custom Electronics Design and Manufacturing --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .