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Integrated motion processing unit (MPU) with MEMS inertial sensing and embedded digital electronics

  • US 8,997,564 B2
  • Filed: 06/08/2012
  • Issued: 04/07/2015
  • Est. Priority Date: 07/06/2007
  • Status: Active Grant
First Claim
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1. A device operable to be mounted onto a surface of a board, comprising:

  • at least one gyroscope;

    at least one accelerometer, the at least one gyroscope and the at least one accelerometer communicably coupled to an application specific integrated circuit (ASIC) implemented on a silicon substrate, wherein the accelerometer and the gyroscope are vertically stacked and attached to the silicon and form a single chip;

    the at least one gyroscope is operable to provide the ASIC with first measurement outputs corresponding to measurement of rotation about three axes, wherein the three axes are orthogonal to each other;

    the at least one accelerometer is operable to provide the ASIC with second measurement outputs corresponding to measurement of linear acceleration along three axes, wherein the three axes are orthogonal to each other;

    the ASIC includes at least one analog to digital converter (ADC), a built-in logic, and a memory, wherein the ADC converts data related to the first measurement outputs and the second measurement outputs into digital data and the built-in logic processes the digital data.

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