Platform Based Design for Automotive Sensor Conditioning

  • Authors:
  • L. Fanucci;A. Giambastiani;F. Iozzi;C. Marino;A. Rocchi

  • Affiliations:
  • IEIIT, National Research Council, Italy;SensorDynamics AG, Italy;University of Pisa, Italy;University of Pisa, Italy;SensorDynamics AG, Italy

  • Venue:
  • Proceedings of the conference on Design, Automation and Test in Europe - Volume 3
  • Year:
  • 2005

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Abstract

In this paper a general architecture suitable to interface several kinds of sensors for automotive applications is presented. A platform based design approach is pursued to improve system performance while minimizing time-to-market.. The platform is composed by an analog front-end and a digital section. The latter is based on a microcontroller core (8051 IP by Oregano) plus a set of dedicated hardware dedicated to the complex signal processing required for sensor conditioning. The microcontroller handles also the communication with external devices (as a PC) for data output and fast prototyping. A case study is presented concerning the conditioning of a Gyro yaw rate sensor for automotive applications. Measured performance results outperform current state-of-the-art commercial devices.