On Tue, 27 Sep 2005, Harold Hallikainen wrote: >> Are you expecting it to write to the internal flash of the PIC? > > Yes... That's the way I read the description of the function: That's a common misunderstanding. It writes to the "program memory" address space. It doesn't write to the internal flash of the PIC. It's only useful if you have external RAM on a PIC with an external memory interface. -- John W. Temples, III -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist