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MC3416 3-Axis Accelerometer

mCube Proprietary. APS-045-0020v2.0 1 / 55

GENERAL DESCRIPTION

The MC3416 is a small form factor,

integrated digital output 3-axis

accelerometer with a feature set optimized

for cell phones and consumer product

motion sensing. Applications include user

interface control, gaming motion input,

electronic compass tilt compensation for

cell phones, game controllers, remote

controls and portable media products.

The MC3416 features a dedicated motion

block which implements algorithms to

support “any motion” and shake detection,

tilt/flip and tilt 35 position detection.

Low power consumption and small size are

inherent in the monolithic fabrication

approach, where the MEMS accelerometer

is integrated in a single-chip with the

electronics integrated circuit.

In the MC3416 the internal sample rate can

be set from 128 to 1024 samples / second.

The device supports the reading of sample

and event status via polling or interrupts.

FEATURES

Range, Sampling & Power

• ±2, ±4, ±8, ±12, ±16g range

• 16-bit resolution

• 128 to 1024 Output Data Rate

• 4 μA typical Standby current

• Low typical active current

Simple System Integration

• I2C interface, up to 1 MHz

• 2×2×0.92 mm 12-pin LGA package

• High reliability thru single-chip 3D

silicon MEMS technology

• RoHS compliant

Applications

• Wearable

• IoT & IoMT

• Remote controls, gaming

• Vibration in Cell phone

• VR & game controllers

MC3416 3-Axis Accelerometer     
mCube Proprietary.  APS-045-0020v2.0  2 / 55 
© 2018 mCube Inc. All rights reserved.     
TABLE OF CONTENTS 
Order Information ............................................................................................................. 4 
Functional Block Diagram ................................................................................................ 5 
Packaging and Pin Description ........................................................................................ 6 
1  Package Outline ................................................................................................................... 6 
2  Package Orientation ............................................................................................................. 7 
3  Pin Description ..................................................................................................................... 8 
4  Typical Application Circuits .................................................................................................. 9 
5  Tape and Reel ................................................................................................................... 12 
Specifications ................................................................................................................. 15 
1  Absolute Maximum Ratings ................................................................................................ 15 
2  Sensor Characteristics ....................................................................................................... 16 
3  Electrical and Timing Characteristics .................................................................................. 17 
3.1  Electrical Power and Internal Characteristics .................................................................. 17 
3.2  I2C Electrical Characteristics .......................................................................................... 18 
3.3  I2C Timing Characteristics .............................................................................................. 19 
General Operation ......................................................................................................... 20 
1  5.1  SENSOR SAMPLING  20 
2  Offset and Gain Calibration ................................................................................................ 21 
Operational States ......................................................................................................... 22 
Operational State Flow .................................................................................................. 23 
Interrupts ........................................................................................................................ 24 
1  Enabling and Clearing Interrupts ........................................................................................ 24 
2  ACQ_INT Interrupt ............................................................................................................. 24 
Sampling ........................................................................................................................ 25 
1  Continuous Sampling ......................................................................................................... 25 
I2C Interface .................................................................................................................. 26 
1  Physical Interface ............................................................................................................... 26 
2  Timing ................................................................................................................................ 26 
3  I2C Message Format .......................................................................................................... 27 
4  Watchdog Timer ................................................................................................................. 27 
Register Interface .......................................................................................................... 29 

MC3416 3-Axis Accelerometer     
mCube Proprietary.  APS-045-0020v2.0  3 / 55 
© 2018 mCube Inc. All rights reserved.     
1  Register Summary ............................................................................................................. 29 
2  Device Status Register ....................................................................................................... 31 
3  Interrupt Enable Register ................................................................................................... 32 
4  Mode Register .................................................................................................................... 33 
5  Sample Rate Register ........................................................................................................ 34 
6  Motion Control Register ...................................................................................................... 35 
7  XOUT, YOUT and ZOUT Data Accelerometer Registers .................................................... 36 
8  Status Register .................................................................................................................. 37 
9  Interrupt Status Register .................................................................................................... 38 
10  Range and Scale Control Register ..................................................................................... 39 
11  X-Axis Digital Offset Registers ........................................................................................... 40 
12  Y-Axis Digital Offset Registers ........................................................................................... 41 
13  Z-Axis Digital Offset Registers ............................................................................................ 42 
14  X-Axis Digital Gain Registers ............................................................................................. 43 
15  Y-Axis Digital Gain Registers ............................................................................................. 44 
16  Z-Axis Digital Gain Registers.............................................................................................. 45 
17  Tilt/Flip Threshold Registers ............................................................................................... 46 
18  Tilt/Flip Debounce Register ................................................................................................ 47 
19  AnyMotion Threshold Registers ......................................................................................... 48 
20  AnyMotion Debounce Register ........................................................................................... 49 
21  Shake Threshold Registers ................................................................................................ 50 
22  Shake Duration, Peak-to-Peak Registers ........................................................................... 51 
23  Timer Control Register ....................................................................................................... 52 
Index of Tables .............................................................................................................. 53 
Revision History ............................................................................................................. 54 
Legal .............................................................................................................................. 55 