JTAG Communication Method

Connection Types

Because you can use the J-Link Microchip Adapter to connect to the target board using either the 2-wire JTAG (ICSP) or 4-wire JTAG interface, you must choose which one your project will use.

adaptor_icsp.jpg
adaptor_jtag.jpg

Selecting the Communication Type

Follow the steps below to choose the communication type:

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If the communication type does not match the actual connection, you WILL get errors when MPLAB X tries to communicate with the J-Link.

Project_Properties_dialog.PNG

1

Open the Project Properties window.

2

Select 'SEGGER J-Link' node under Categories.

3

Select 'Communication' for Option categories.

4

Choose '2-wire JTAG' or '4-wire JTAG' for JTAG Method.

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