Hi, > Just a small note... > Just checked the "C51 MCU Selection Guide" from Atmel. > I can't find any *flash* modell with A/D in a "simple" > DIP package (like the PIC16F87x modells). > > Am I missing something ? The AVR family is not a C51 ! Take a look at the other section and you will find what you are looking for. Atmel also manufactures C51 family members with Flash but the AVR's are another completely different processor. best regards, Alexandre Guimaraes -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.