How to use LPC55S69-EVK as debugging probe?

[bburch]

Hi!

I am trying to use this eval board as a debugging probe for an external prototype board.  I add the debugger jumper and the board shows up as a LPC-LINK2 DMSIS-DAP V5.182 in the probe search.  I can indeed use this to program the flash on the board.

What I cannot do is use this with the IDE as a debugging probe.  The only option that shows up when I try is for a J-Link device, there is no option for the LPC-LINK2 device in the "Supported Probes" panel.

What am I missing ??

Thanks so much!

-Ben Burch

BTR Controls Inc.

[ZhangJennie]

Hi Ben Burch

Please refer UM11158.pdf

4.4 Configuring the LPCXpresso55S69 to debug an off-board target
The LPCXpresso55S69 board’s Link2 Debug Probe may be used to debug an off-board target MCU. The on-board Link2 Debug Probe is capable of debugging target MCU’s with
a VDDIO range of 1.6V to 3.6V. To keep the on-board target LPC55Sxx MCU from interfering with the SWD interface, J5 must be fitted (note: the header for this jumper is not
installed during board production). The Link2 Debug Probe SWD should be connected by a ribbon cable between the P7 connector to the off-board target MCU SWD interface.
Power the LPCXpresso55S69 board from the Link USB connector P6, and fit jumper J3 across pins 2 - 3 (External Target).

I have tested, using LPCXpresso55s69 on board debug probe debug LPC4370, it works well. My connection is as below:

IDE connection video is attached.

Have a nice day

Jun Zhang

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