ASM330LHBTR datasheet(4/131 Pages) STMICROELECTRONICS

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Embedded low-power features

The ASM330LHB has been designed to feature the following on-chip functions:

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3 KB data buffering

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100% efficiency with flexible configurations and partitioning

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Possibility to store timestamp

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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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Activity/inactivity recognition

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Stationary/motion detection

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Specific IP blocks with negligible power consumption and high performance

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Finite state machine (FSM) for the accelerometer and gyroscope

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Machine learning core (MLC) for the accelerometer and gyroscope

2.1

Finite state machine

The ASM330LHB can be configured to generate interrupt signals activated by user-defined motion patterns. To

do this, up to 16 embedded finite state machines can be programmed independently for motion detection such as

vehicle status (stationary or moving), anti-theft alarm and shock detection.

Definition of finite state machine

A state machine is a mathematical abstraction used to design logic connections. It is a behavioral model

composed of a finite number of states and transitions between states, similar to a flow chart in which one can

inspect the way logic runs when certain conditions are met. The state machine begins with a start state, goes to

different states through transitions dependent on the inputs, and can finally end in a specific state (called stop

state). The current state is determined by the past states of the system. The figure below shows a generic state

machine.

Figure 1. Generic state machine

ASM330LHB

Embedded low-power features

DS13773 - Rev 7

page 4/131

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