> hi, > > I have made the ICD debugger, and it doesn't work. I have the > board connected to the PC and it doesn't recognise the Debugger. > > I haven't connected yet the board to the target: there is no MCU > to debug. Before beginning testing the board I would like to know > if the software from microchip would give an error message in case > of having no micro connected to debug (the header pins are not > connected to anything). The other possibility is that my board is > not working... > > by the way, do you know if the circuitry that uses a coll to > generate Vpp voltage is always working ?? > > > thanks > > david Hi david, If it is the same as the microchip ICD then it needs to get its power supply from the target. Hope its comething simple like this. From what I've read here on the PIClist the coil is controlled by the micro on the ICD to generate Vpp, so quite likely it only produces it when required. Have fun! Brent Brown Electronic Design Solutions 16 English Street Hamilton, New Zealand Ph/fax: +64 7 849 0069 Mobile/text: 025 334 069 eMail: brent.brown@clear.net.nz -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body