Andre Abelian wrote : > what's J part ? As far as I know, new parts made in a finer chip process and that runs at 3.3 V (max). At least, that's how I have understood things... I do not think that "J" = "JTAG" (even if the PIC24J parts does have JTAG...). Jan-Erik. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist