On Thu, Jun 19, 2008 at 8:07 PM, Olin Lathrop w= rote: > Tom=E1s =D3 h=C9ilidhe wrote: >> 1: ?? (Doesn't seem to be connected to anything) >> 2: RB6 / ICSPCLK >> 3: RB7 / ICSPDATA >> 4: GND >> 5 Vdd >> 6: MCLR / Vpp Actually this is reversed for PICkit 1. Pin 1 is Vpp/MCLR. Pin 6 is called AUX for PICkit 2. > This is the standard Microchip sequence of lines. The unused pin was > originally intended for PGM, but that was never implemented. > For ICSP programming of PICs, pin 6 is not used. However, in the case of PICkit 2, it can program serial EEPROMs and other device so pin 6 (AUX) is used. http://ww1.microchip.com/downloads/en/DeviceDoc/PICkit%202%20Readme%20v2-51= -00%20(a).txt Regards. Xiaofan -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist