peter green wrote: > For example on first gen 18F chips you can write the panels (of which > there are 4 on a 452) in parallell with ICSP but you can only write one > 8 byte block at a time with self programming. In theory, but hardly any (any?) PIC programmers made use of the very cumbersome multiple panel writes. In newer PICs Microchip has fixed this and made the single write buffer larger instead. ******************************************************************** 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