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Variety of sensors, 32bit MCU packed in single IMU sol'n

Posted: 16 Mar 2010     Print Version  Bookmark and Share

Keywords:sensor  MCU  software  MEMS 

iNEMO module

Built upon ST's rich portfolio of world-class MEMS devices, STMicroelectronics has launched the first members in its iNEMO family of multi-sensor Inertial Measurement Unit (IMU) devices. Members of the iNEMO family of modules offer combinations of three-axis sensing of linear, angular and magnetic motion with temperature and barometer/altitude readings, representing ST's first IMUs with 10° of freedom.

The integration of a variety of motion, magnetic, pressure and temperature sensors with a 32bit processing unit and dedicated software in one package will lead to leaps in functionality and performance in a wide variety of applications, including gaming, human machine interface, robotics, portable navigation devices and patient monitoring.

The modules also contain a memory card socket for data logging and dedicated connectors for wired/wireless connectivity, including USB, Zigbee or GPS.

ST's first iNEMO module (STEVAL-MKI062V1) integrates six different sensors and a 32bit microcontroller and it is available as a 4.5cm x 5cm evaluation board with a firmware library, a PC GUI, and a set of software solutions for different applications.

The most recent iNEMO product (v2) represents a further step in miniaturisation and runs a sophisticated sensor fusion algorithm (Attitude Heading Reference System) to provide static and dynamic orientation and inertial measurements.

This iNEMO v2 integrates five ST sensors—a two-axis roll-and-pitch gyroscope (LPR430AL), a single-axis yaw gyroscope (LY330ALH), a six-axis geomagnetic module (LSM303DLH), a pressure sensor (LPS001DL) and a temperature sensor (STLM75). All the sensors and the AHRS algorithm are managed by an on-board STM32 microcontroller. The module, which comprises a 4cm x 4cm evaluation board and all the necessary firmware and software, will be available for volume orders in Q2 10.

"The introduction of iNEMO modules confirms ST's industry-leading capabilities in providing all the sensors and processing capabilities required by the market. When it comes to sensors, we are the one-stop supplier," said Benedetto Vigna, group VP and general manager of the MEMS, sensors and high performance analogue division, ST.

"At the forefront of the MEMS technology development, the iNEMO family roadmap heads towards inertial measurement units delivering ten degrees of freedom in a single package," added Matteo Lo Presti, systems lab and technical marketing of ST's industrial and multi-segment sector, general manager of the sub-systems product group.

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