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ULINK®2 User's Guide

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Jumpers

ULINK2 has only one set of jumpers: VCC.

ULINK2 Adapter Board Jumper
ULINK2 Adapter - Jumper (cover off)

The VCC jumper determines the source of VCC power for the JTAG interface.

  • If the target hardware provides VCC to the JTAG interface, set the jumper at VCC to the ARM position.
  • If the target hardware does not provide VCC to the JTAG interface, set the jumper at VCC to the 3.3V position.
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