Connecting the USB TAP cable to the Target Debug Port Header

  1. Turn off the power to the target system.
  2. Make sure that the USB cable from the USB TAP probe is not connected to the host computer.
  3. Make sure that pin 1 of the gray ribbon cable connector aligns with pin 1 on the target's debug port header.

    The figure below shows pin 1 of the USB TAP probe.

    Figure 1. USB TAP Probe

    USB TAP Probe

  4. Gently (but firmly) press the connector onto the target system debug port header.

This is how you can connect the USB TAP cable to the target debug port.