STMicroelectronics : STMicroelectronics Unveils Ultra-Compact 3-Axis Accelerometer with Embedded Microcontroller for Advanced

     STMicroelectronics : STMicroelectronics Unveils Ultra-Compact 3-Axis
 Accelerometer with Embedded Microcontroller for Advanced Motion-Recognition
                         Capabilities and Sensor Hub

              Smart sensor packs motion sensing and intelligence
                                 into 9 mm^3

Geneva, January 22, 2013 - STMicroelectronics (NYSE: STM), a global
semiconductor leader serving customers across the spectrum of electronics
applications and the world's top manufacturer of MEMS
(Micro-Electro-Mechanical Systems)^[1], today announced details of a miniature
smart sensor that combines a 3-axis accelerometer with an embedded
microcontroller together in an ultra-compact 3x3x1mm LGA package for advanced
custom motion-recognition capabilities.

ST has combined the microcontroller, operating as a sensor hub that runs
sensor-fusion algorithms, and a high-precision 3-axis digital accelerometer
into a single package it calls iNEMO-A. The device reduces the demand on the
host controller and application processor and decreases power consumption in
portable devices. Both benefits deliver greater freedom and flexibility to the
design of motion-enabled consumer electronics. The integration of
high-resolution linear-motion sensing and the sensor hub in a single package
increases system robustness and is ideally suited for board-layout

"Customers want smarter motion sensors that integrate both sensing and
intelligent decision making in a single package," said Fabio Pasolini,
STMicroelectronics General Manager, Motion MEMS Division, Analog, MEMS and
Sensors Group, Industrial and Multisegment Sector. "The iNEMO family gives ST
an unrivalled ability to integrate any combination of accelerometers,
gyroscopes, magnetometers and other sensors with a powerful ARM-based
sensor-hub microcontroller to give our customers the maximum flexibility and
scalability in system partitioning."

The LIS331EB iNEMO-A smart sensor targets a wide range of applications that
include wearable sensor applications, motion-activated user interfaces in
phones and tablets, and augmented reality. The device embeds an
ultra-low-power ARM Cortex-M0 with functional capability, power consumption
and memory size that is perfectly suited for sensor-hub applications and iNEMO
sensor fusion on mobile applications. The sensor hub supports the connection
of a 3-axis gyroscope, 3-axis magnetometer and a pressure sensor to deliver a
full sensor-fusion solution. Additional sensors, such as temperature and
humidity sensors, may also be connected.

Addressing power constraints in battery-operated portable devices, the
LIS331EB iNEMO-A 3-axis digital accelerometer also contains two embedded
finite state machines (FSM) and an embedded FIFO (first-in first-out). The FSM
and FIFO enable custom motion-recognition detection, including specific
gesture detection, and a pedometer that can run without using the embedded
microcontroller, further reducing the overall power consumption. The FSM can
also be used to wake up the microcontroller, enabling advanced power
management techniques.

The high performance 3-axis accelerometer in the LIS331EB iNEMO-A features a
selectable full-scale range of ±2g/±4g/±8g/±16g and houses an ultra-low-power
ARM Cortex-M0 core with 64KB Flash Memory and 128KB RAM memory, as well as
multiple timers and I/O ports (GPIOs/SPI/I2C/UART).

The LIS331EB smart motion sensor will start sampling in Q2 2013. Unit pricing
is US$2.4 for volumes in the range of 1,000 pieces. If your company has a
high-volume need, please contact your ST sales office.

For further information on ST's complete MEMS portfolio see

About STMicroelectronics
ST is a global leader in the semiconductor market serving customers across the
spectrum of sense and power and automotive products and embedded processing
solutions. From energy management and savings to trust and data security, from
healthcare and wellness to smart consumer devices, in the home, car and
office, at work and at play, ST is found everywhere microelectronics make a
positive and innovative contribution to people's life. By getting more from
technology to get more from life, ST stands for life.augmented.

In 2011, the Company's net revenues were $9.73 billion. Further information on
ST can be found at

For Press Information Contact:

Michael Markowitz
Director Technical Media Relations
+1 781 591 0354


[1] IHS iSuppli: MEMS Competitive Analysis 2012

ST Smart Sensor
ST Smart Sensor_IMAGE


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