Programming problems - 16C73A/JW
Richard Prosser email (remove spam text)
I've just bought one of these & am trying to program it with a PICSTART II
Am Running MPLab 4.12.00 on an NT system (with the appropriate DLL)
But it won't read or program - tells me the Code Protect is "Illegal".
I've tried about an hour of UV Eraser - no change. Also I can't program or
read an OTP 16C73B part as it it thinks that the protect bit on this one is
set - again a brand new part that's never been programmed.
I can however read an older '73A JW part which has been previously
I suspect timing and/or voltage levels (supply at 4.83Vss and Vpp @ about
Or - have I done something to the PICSTART II ?
Any ideas would be greatly appreciated
See also: www.piclist.com/techref/microchip/devprogs.htm?key=programming
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