Dual Axis SPI Inertial Sensor
Freescale Semiconductor Technical Data
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MMA68xx Rev 2, 06/2010
Dual Axis SPI Inertial Sensor
MMA68...
Description
Freescale Semiconductor Technical Data
www.DataSheet4U.com
MMA68xx Rev 2, 06/2010
Dual Axis SPI Inertial Sensor
MMA68xx is a SPI-based, 2-axis, medium-g, over-damped lateral accelerometer designed for use in automotive airbag systems. Features ±20g to ±120 g full-scale range, independently specified for each axis 3.3 V or 5 V single supply operation SPI-compatible serial interface 10-bit digital signed or unsigned SPI data output Independent programmable arming functions for each axis Twelve low-pass filter options, ranging from 50 Hz to 1000 Hz Optional offset cancellation with > 6s averaging period and < 0.25 LSB/s slew rate Pb-Free 16-Pin QFN-6x6 Package DUAL AXIS SPI INERTIAL SENSOR
MMA68xx
Bottom View
Referenced Documents AEC-Q100, Revision G, dated May 14, 2007
16-PIN QFN CASE 1477-02
Top View
VSSA VSSA 12 CS 11 MOSI 10 SCLK 9 VCC 5 ARM_Y/PCM_Y 6 ARM_X/PCM_X 7 TEST/VPP 8 MISO N/C N/C
ORDERING INFORMATION
Device MMA6811QR2 MMA6813QR2 MMA6821QR2 MMA6823QR2 MMA6826QR2 MMA6827QR2 X-Axis Range ±60g ±50g ±120g ±120g ±60g ±120g Y-Axis Range ±25g ±50g ±25g ±60g ±60g ±120g Shipping Tape & Reel Tape & Reel Tape & Reel Tape & Reel Tape & Reel Tape & Reel VREGA 1 VSS 2 VREG 3 VSS 4
16 15 14 13 17
PIN CONNECTIONS
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VCC
VCC VREG VREGA
CS SCLK MOSI MISO
CS_A SCLK1 MOSI1 MISO1
CS_D SCLK2 MOSI2 MISO2
CS SCLK MOSI MISO
C1
C2
C3
MMA68xx
VSSA VSS
VPP/TEST ARM_X ARM_Y
Main...
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