Keil™, An ARM® Company

ULINK User's Guide

Discontinued

LED Indicators

The ULINK Adapter has the following indicator LEDs.

  • The RUN LED indicates that the target board is executing the program.
  • The COM LED indicates that there is active communication between the debugger and the target board.
  • The USB LED indicates that power is present on ULINK.

ULINK Adapter LEDs

ULINK Adapter - LEDs (cover off)