3.3.4.4.2 AVR PDI Pinout

For a legacy application PCB which includes an AVR with the PDI interface, the pinout as shown in the figure below may have been used.

Figure 3-17. Legacy PDI Header Pinout
Table 3-8. PDI Pin Mapping
MPLAB PICkit 5 PinAdapter Board AVR JTAG PinLegacy PDI PinNameDescription
17 or 8 (NC)
24 (VDD/VTG)2VCC/VTGTarget voltage (reference voltage).
32 or 10 (GND)6GNDGround
43 (TDO)1PDI_DATAPDI Data
51 (TCK)
66 (MCLR)5PDI_CLKPDI Clock
79 (TDI)
85 (TMS)