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MCUXpresso LPC804 LPCLink2 - Wire Ack Fault - target connected? Cannot cannot connect to core.

Question asked by Mark Kraft on Nov 13, 2019
Latest reply on Nov 19, 2019 by Mark Kraft

I have an LPC804 design, all IC connections to JTAG connector, chip connections are correct. Tried with Keil and then with MCUXpresso with LPC Link2 an cannot connect to the target. These are new prototypes the LPC804 has not yet been programmed so should not have the SWD disabled.

 

I have tried the usual recommendations, i.e. ISP boot. Looking for other suggestions. I've done many NXP micros and have never had an issue.

 

Schematic, note ISP was moved to the correct input PIO0-12:

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