> Base Line Code : 12-bit devices, PIC10, PIC12F5xx and so on. > Mid range Code : The well-known 14-bit PIC16 devices. > Enhanced Mid-Range Core : The brand new PIC161xxx devices. > PIC18 Core : All PIC18 devices. 12F means 8-pin, can be either 12-bit and 14-bit core chips (12F629 is=20 14-bit) 16F means > 8 pin, can be either 12-bit and 14-bit core chips (16F54 is=20 12-bit) --=20 Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .