How to use ICD-U64 for debug for 3.3VDC 18LF2620?

[starfire151]

I just got the ICD-U64 debugger/programmer. I've installed the CCSLoad software. My target application runs on a 3.3VDC PIC 18LF2620 running at 19.6608MHz. I would like to use the debugger to verify program operation (single-step, watch variables, monitor timers, etc.) with my system running at 3.3VDC. I have made a short interface cable to connect from the ICD-U64 via the 6-pin RJ45 connector to my target board using a 6-pin 0.1" spaced socket. I connect this socket into a header on my target board. I have a dipswitch to disconnect a normally wired board function and allow only the PData and PClk lines to pins B6 and B7 of the 18LF2620 from the ICD-U64. The MClr line is pulled up to +3.3VDC through a 47K resistor.

How can I connect the ICD-U64 to my target system running at 3.3VDC using the CCSLoad software? Will this same debugger interface work for the target board from within the CCS PCWH compiler (V4.093)?

[Jim Hearne]

The earlier ICD-U40 worked fine for programming and debugging at 3.3V on the 18LF6722 so theres no reason why the ICD-U64 shouldn't.

Jim