Free tool tackles I/O pin conflicts

Written by Brian Bailey September 04, 2010 Hits: 267 Favorites

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Debugging I/O pin conflicts can be a time-consuming process and so Energy Micro® has introduced a free software tool designed to tackle the problem. It supports the complete EFM32 Gecko low power MCU family, and ensures correct pin configuration and automatically generates set-up code and documentation.

Energy Micro

Here is how it works. On creating a new project, designers select a target MCU and are presented with a default device configuration. Clicking on a peripheral function enables it and highlights respective pins in green on a pin-out diagram. Pin-conflicts induced by selecting another peripheral, that by default was routed to the same pins, are highlighted in red. These are simply resolved by choosing an alternative peripheral location, automatically suggested by the software. Configuration of GPIO resources and clocks are handled in a similar way.

When you are happy with the overall MCU configuration, you can then use the energyAware Designer tool to generate the corresponding C-code file, which can then be cut-and-paste directly into the application code. At the same time, detailed PDF documentation can be exported, reporting the final device pin-out map in diagrammatic and a choice of tabulated formats.

A short video showing a demonstration of the energyAware Designer software tool can be viewed at: www.energymicro.com/videos.

According to Energy Micro, EFM32 Gecko microcontroller family are based on the ARM® Cortex™ M3 core, and consume a quarter of the energy required by other 8, 16 and 32-bit microcontroller solutions. The EFM32 Gecko microcontroller is in full production and details of the software and pin-compatible Tiny Gecko and Giant Gecko products have recently been announced.

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Written by :

Brian Bailey