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Using GMR sensors with the MSP430 scan interface

Posted: 04 May 2007 ?? ?Print Version ?Bookmark and Share

Keywords:GMR sensors MSP430? scan interface MSP430? giant magneto-resistive sensor? signaling sequence quadrature?

This application report describes implementation of a rotation detector that uses a pair of giant magneto-resistive (GMR) sensors, which can detect magnetic fields. The sensors are positioned such that they do not use a quadrature signaling sequence, and this provides an opportunity to discuss how the SIF can be configured for non-quadrature situations. Techniques for debugging SIF applications are discussed, and a tool is provided for designing non-quadrature processing state machines.

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