While launching the Universal Debug Engine (UDE), the connection to the Universal Access Device (UAD) cannot be established.

Reasons can be:

power supply fails
wrong or missing communication cable to the host (USB, IEEE1394 or Ethernet)
UAD not running (the green LED behind is not blinking)
wrong driver installation

Microcontroller Architecture Support

Newest TriCore derivatives AURIX TC4x, TC39x, TC27x, TC29xED, Power Architecture / PowerPC derivatives as MPC5744P, MPC5744K, MPC5746M, MPC5777M and Cortex-M0, Cortex-M0+, Cortex-M3, Cortex-M4, Cortex-M7, Cortex-R4, Cortex-R52 Stellar, Cortex-A8, Cortex-A9, Cortex-A53 S32V, i.MX25, i.MX31 derivatives, SuperH SH-2A, XC2000, XE166, XMC1000, XMC4500, STM32, Stellar, S32, S32K, S32R are supported ... read more

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While launching the Universal Debug Engine (UDE), the connection to the Universal Access Device (UAD) cannot be established.

Microcontroller Architecture Support

Microcontroller Debugging Product finder

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