i don't have the icd right here, but i think vdd is always between 4.9v
and 5.1v, and vpp between 12.5v and 13v
tino





Thomas N <thomasn102@YAHOO.COM>
Gesendet von: pic microcontroller discussion list <PICLIST@MITVMA.MIT.EDU>
25.05.03 19:42
Bitte antworten an pic microcontroller discussion list


        An:     PICLIST@MITVMA.MIT.EDU
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        Thema:  [PIC]: Microchip ICD1


Hi everyone,

Do you have the ICD (for 16F87X) from Microchip or a working ICD?  Would
you please tell me what the voltage readings at VDD and VPP are?  (Click
the "Options" button on the ICD dialog.  The voltage display is at the
lower left corner)

I built the ICD myself but sometimes it can program the target PIC,
sometimes it says "No target".  I am troubleshooting it right now and I
think it has something to do with the programming voltages.  My VDD
reading = 4.68V, VPP = 13.80V.

Thank you very much for your help!

Thomas


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