LSM6DSV datasheet(3/187 Pages) STMICROELECTRONICS

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Embedded low-power features

The LSM6DSV has been designed to be fully compliant with Android, featuring the following on-chip functions:

•

4.5 KB FIFO data buffering, data can be compressed two or three times

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100% efficiency with flexible configurations and partitioning

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Possibility to store timestamp

•

Event-detection interrupts (fully configurable)

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Free-fall

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Wake-up

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6D orientation

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Click and double-click sensing

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Activity/inactivity recognition

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Stationary/motion detection

•

Specific IP blocks (called "embedded functions") with negligible power consumption and high performance

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Pedometer functions: step detector and step counters

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Tilt

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Significant motion detection

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Finite state machine (FSM)

•

Sensor hub

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Up to 6 total sensors: 2 internal (accelerometer and gyroscope) and 4 external sensors

2.1

Pedometer functions: step detector and step counters

The LSM6DSV embeds an advanced pedometer with an algorithm running in an ultra-low-power domain in order

to ensure extensive battery life in battery-constrained applications.

Leveraging on enhanced configurability, the advanced embedded pedometer is suitable for a large range of

applications from mobile to wearable devices.

The algorithm processes and analyzes the accelerometer waveform in order to count the user's steps during

walking and running activities.

The pedometer works at 30 Hz and it is not affected by the selected device power mode (ultra-low-power, low-

power, high-performance), thus guaranteeing an ultra-low-power experience and extreme flexibility in conjunction

with other device functionalities.

The accelerometer operating mode can be changed at runtime and is based on user requirements without

impacting the performance of the pedometer.

The pedometer output can be batched in the device's FIFO buffer, in order to decrease overall system current

consumption.

ST freely provides the support and the tools for easily configuring the device and tuning the algorithm

configuration for a best-in-class user experience.

LSM6DSV

Embedded low-power features

DS13476 - Rev 2

page 3/187

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