Thanks for Section 27 Here are more, sorry haven't the links I found to get them 40 Introduction (4) 70306A 41 Interrupts (4) 70300B 42 Oscillator (4) 70307B 43 High-speed PWM 70323B 44 High-speed ADC 70321C 45 High-speed Comparator 70296A 46 Introduction (5) 70607A 47 Interrupts (5) 70597A 48 Oscillator (5) 70596A 49 not found 50 High-speed PWM (5) 70579A Microchip still "looking into" my original question Joe * * ********** Quality PIC programmers http://www.embedinc.com/products/index.htm --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .