Hi Aravind palanisamy,
Thank you for your interest in NXP Semiconductor products and
for the opportunity to serve you.
Whether you program and debug the LPC824 board successful before, to locate the issue, I'd like to suggest you follow the method to confirm the debug interface is correct.
1. Update the LPC-link2 with the J-link firmware.
2. Connect the LPC-link2 to the LPC824 board.
3. Open the J-Link Commander to check whether the core is able to be recognized.
If the core has been recognized, it means that the hardware circuit is correct, you can delete the project in the MCUXpresso IDE and reimport it again, then give debug a try.
Have a great day,
TIC
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