The Stellaris® LM3S3768 Evaluation Board (EVB) from Luminary Micro (Austin, TX) is a compact and versatile evaluation platform for the Stellaris LM3S3768 ARM® Cortex™-M3-based microcontroller. The Stellaris® USB controller provides full On-The-Go (OTG) negotiation and support for connection to non-OTG peripherals or host controllers.

With a single USB microAB connector, the LM3S3768 EVB supports OTG as well as Host and Device USB capabilities. OTG cables, included in the kit, allow a wide range of USB applications to be evaluated. A small switch selects between bus-powered and self-powered options. Four ADC signals are paired as two differential channels to implement a 1 MS/s oscilloscope application on the LCD panel. The EVB may be used either as an evaluation platform or as a lowcost in-circuit debug interface (ICDI).

The evaluation kit contains everything needed to develop and run USB applications using Stellaris microcontrollers. The kit contains the LM3S3768 Evaluation Board (EVB), USB cable for debugger use, Micro-A plug to Std-A receptacle for connecting a USB flash drive and other devices, Std-A plug to Micro-B plug for connecting the OTG board to a PC, USB flash memory stick, four oscilloscope test leads for quickstart application, and a 20-pin JTAG/SWD target cable.

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This article first appeared in the July, 2008 issue of Embedded Technology Magazine.

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