ICD 4: Connecting an RJ-11 Type Cable to an RJ-45 Jack on the Debugger

The MPLAB® ICD 4 In-Circuit Debugger has an RJ-45 connector for communication to the target. Connect the RJ-11 type cable into the RJ-45 connector by simply inserting it into the center of the RJ-45 connector. Refer to the figure for the connection pinouts.

Pin RJ-45 Function Pin RJ-11
1 TMS JTAG Test Mode Select
2 Reserved 1
3 PGC (ICSPCLK) Standard Com Clock/TCK (JTAG Test Clock) 2 PGC (ICSPCLK)
4 PGD (ICSPDAT) Standard Com Data/TDO (JTAG Test Data Output) 3 PGD (ICSPDAT)
5 GND Ground 4 GND
6 Vdd_TGT Power on target 5 Vdd_TGT
7 Vpp Power 6 Vpp
8 TDI JTAG Test Data Input
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