3.3.6.2 PIC32M EJTAG Pinout - 4-Wire JTAG
PIC32M EJTAG pin names and descriptions are shown in the table below. Pin numbers are shown for MPLAB ICD 5 direct connection and Debugger Adapter Board 14-pin connection.
| MPLAB ICD 5 Pin | Adapter Board (14-Pin) Pin | Name | Description |
|---|---|---|---|
| 1 | 11 | MCLR | Reset (optional). Used to reset the target device. Connecting this pin is recommended since it allows the MPLAB ICD 5 to hold the target device in a reset state, which can be essential to debugging in certain scenarios. |
| 2 | 14 | VDD | MPLAB ICD 5 providing power to target (optional) or target providing power to MPLAB ICD 5 (PTG). |
| 3 | 2, 4, 6, 8, 10 | GND | Ground. All must be connected to ensure that the MPLAB ICD 5 and the target device share the same ground reference. |
| 4 | 3 | TDO | Test Data Out (data transmitted from the target device into the MPLAB ICD 5). |
| 5 | 9 | TCK | Test Clock (clock signal from the MPLAB ICD 5 into the target device). |
| 6 | 1 | NC | Not connected. |
| 7 | 5 | TDI | Test Data In (data transmitted from the MPLAB ICD 5 into the target device). |
| 8 | 7 | TMS | Test Mode Select (control signal from the MPLAB ICD 5 into the target device). |