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Arm Cortex NXP LPC: LPC11A02/04 Debug Pin Remapping in Boot

07-Aug-2024

For WLCSP packages, the boot loader changes the default pin configuration to:

  • PIO0_2 register - SWCLK
  • PIO0_3 register - SWDIO
  • TCK_PIO0_5 register - PIO0_5
  • SWDIO_PIO0_10 register - PIO0_10


Possible solution

Connect PIO0_2 and PIO0_3 to the debug connector for debugging.


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