MC3672 Accelerometer Driver Quick Start Guide and Demo
GENERAL DESCRIPTION MC3672 FEATURES
The MC3672 is an ultra-low power, low Range, Sampling & Power
noise, integrated digital output 3-axis
2,4,8,12 or 16g ranges
accelerometer with a feature set optimized
8, 10 or 12-bit resolution with FIFO
for wearables and consumer product
o 14-bit single samples
motion sensing. Applications include
Sample rate 14 - 1300 samples/sec
wearable consumer products, IoT devices,
Sample trigger via internal oscillator,
user interface control, gaming motion input,
clock pin or software command
electronic compass tilt compensation for
Sniff and Wake modes
cell phones, game controllers, remote
0.4 A Sniff current @ 6Hz
controls and portable media products.
Separate or combined sniff/wake
Ultra-Low Power with 32 sample
FIFO
The EVA3672A is a prebuilt circuit board
o 0.9 A typical current @ 25Hz
with MC3672 WLCSP 3-axes sensor. The
o 1.6 A typical current @ 50Hz
MC3672 has internal sample rate from 14 to
o 2.8 A typical current @ 100Hz
1300 samples / second and measures
o 36 A typical current @ 1300Hz
acceleration with a wide usage range, from
+/-2g up to +/-16g, and 6-bit to 14-bit high
precision ADC output, which is easy to fit Simple System Integration
on top of the microcontroller, such as an
I2C interface, up to 1 MHz
Arduino. The accelerometer communicates
SPI Interface, up to 8 MHz
via I2C and gives out motion detection or
1.29 1.09 0.742 mm 8-pin
sample acquisition conditions to trigger an
WLCSP package
interrupt toward a MCU.
Single-chip 3D silicon MEMS
Low noise to 2.3mg RMS
The sensor data is easily readable by
connecting DVDD to 3.3V, GND to ground,
and SCL/SDA pins to your Arduino I2C
clock and data pin respectively. Download
the MC3672 library from GitHub onto the
board, run the example sketch, and then
sensor data shortly comes out in raw data
count and SI unit accelerometer
measurements. An easy-to-use
demonstration on EVA3672A using the
Arduino platform is included in this
document.
mCube Proprietary. APS-045-0017v1.2 1 / 19
2018 mCube Inc. All rights reserved.
MC3672 Accelerometer Driver Quick Start Guide and Demo
TABLE OF CONTENTS
1 General Operation ........................................................................................................... 3
2 Assembly and Test .......................................................................................................... 6
3 Demo ............................................................................................................................... 8
4 Library Reference .......................................................................................................... 11
5 Downloads ..................................................................................................................... 15
6 Schematics .................................................................................................................... 16
7 Fabrication print ............................................................................................................. 17
8 Revision History ............................................................................................................. 18
9 Legal .............................................................................................................................. 19
mCube Proprietary. APS-045-0017v1.2 2 / 19
2018 mCube Inc. All rights reserved.