mma845xq accelerometer freescale xtrinsic

8/8/2019 MMA845xQ Accelerometer Freescale Xtrinsic

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TM

Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarksof Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2007.

Sensor and Actuator Products

MMA845xQ Low Power High Function14/12/10-bit 3-axis Accelerometer Family



TMFreescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarksof Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2007. 2

MMA845xQ 3-Axis Xtrinsic Accelerometer Family Features Options Dependent on Product Version

• 1.95V to 3.6V supply voltage• ±2g/ ±4g/ ±8g dynamically selectable full-scale• Output data rate (ODR) from 800Hz to 1.563Hz• 120µg/uHz noise at normal mode ODR=400Hz•

14/12/10 bit digital output• I²C digital output interface (operates up to 2.25MHz4.6kOhm pull-up) and up to 4.75MHz 1kOhm pull-up)

• Programmable 2 interrupt pins for 7 interrupt sources• Embedded 3 channels of motion detection

Free fall or motion detection w/ direction: 1 channels Tap detection with direction: 1 channel Transient detection with direction : 1 channel

• Embedded orientation (Portrait/Landscape) withhysteresis

• Embedded automatic ODR change for auto-wake-up

and return-to-sleep reducing current consumption• Embedded 32 sample FIFO 14b/8b HPF or LPF data• Embedded High Pass Filter• Up to 0.02º Resolution at 1.56Hz (Hi Res mode)• 4 Oversampling Modes: Low Power, Low Noise+Low

Power, High Resolution, Normal Modes• Extra Low Noise Option compatible with Low Power• Embedded self test

Package• 3mm x 3mm DFN, 1.00mm max height• -40°C to +85°C Operating Temp• RoHS compliant

LFSTBEB845xAvailability TBD

MMA8451Q1.9V to 3.6V supply voltage±2g/±4g/±8g, 120µg/sqrtHz noise14 bit digital outputFull Feature Set

MMA8452Q1.9V to 3.6V supply voltage±2g/±4g/±8g, 120µg/sqrtHz noise

12 bit digital outputNo FIFO, Fixed PL at 30/60 trippoints

MMA8453Q1.9V to 3.6V supply voltage±2g/±4g/±8g,120µg/sqrtHz noise10 bit digital outputNo FIFO, No HPF, Fixed PL at30/60 trip points

MMA845xQ Development kits/Collateral:




MMA8451/2/3/Q Target Markets and Applications

Mobile Phones• Orientation detection

• Tilt to scroll

• Tap to control• Gesture detection

• Pedometer/ positiondetection

Gaming Controllers• Orientation detection

• Tilt to control

• Tap to select/button

replacement• Gesture detection

Sports Monitoring• Orientation detection

• Tilt to control

• Tap to select/buttonreplacement

• Pedometer/position

Remote Controls• Tilt to control


replacement• Gesture detection

Smartbooks, Ebooks, HDDs• Orientation detection

• Tilt to control

Personal navigation (PNDs)• Tilt to Control


• Gesture detection

• Pedometer/positiondetection

Medical instrumentation• Orientation detection

• Tilt to control


• Gesture detection

Energy Metering• Orientation detection

• Tap to control

Handheld Scanners• Orientation detection

• Tilt to control


replacement




Features and Benefits

Accelerometer Product Feature Comparison

Feature MMA8451 MMA8450 MMA8452 MMA8453 Benefit

Digital Capability

Supply Voltage 1.95 – 3.6 1.79 – 1.89 1.95 – 3.6 1.95 – 3.6 Wider Supply voltage to support variousapplications

Resolution 14 12 12 10 Higher Resolution for more preciseapplications

Idd Consumption Standby: 2 uA

Normal:25-175 uA

Low power:

4-175uA

• Shutdown: <1 uA

• Standby: 3 uA

• Normal: 42-300 uA

• Low power:

27-133 uA

Standby: 2 uA

Normal:25-175 uA

Low power:

4-175uA

Standby: 2 uA

Normal:25-175 uA

Low power:

4-175uA

Lower power for significant batterysavings at all ODRs

Output Data Rate 1.563-800 Hz 1.563-400 Hz 1.563-800 Hz 1.563-800 Hz Increased bandwidth to support variousapplications

Embedded Features

Orientation Detection Yes Yes Yes Yes Fast UI Response

Embedded FIFOBuffer

Yes

HPF data

Yes

No HPF data

No No Reduced I2C bus traffic

System power savings

Tap Detect Tap/Double Tap

Directional Tap

Tap/Double Tap Tap/Double Tap

Directional Tap

Tap/Double Tap

Directional Tap

Fast UI Response

System Power Savings

Shake Detect

(Motion or Transient)

Shake

Directional Shake

Shake Shake

Directional Shake

Shake

Directional Shake

Fast UI Response

System Power Savings

High Pass Filter Yes Yes Yes No Reduced System Cycle time

Auto-wake/sleep Yes Yes Yes Yes System Power Savings




Detects a fast transition thatexceeds user-defined

threshold for a user-definedduration

Transition to

Active Mode

Standby Mode

AccelerationMeasurement

Orientation Detect

Auto Wakeup Detect

Auto Sleep Detect

Interrupt withOutput Available

Tap Detect

Shake Detect

Detects transition changefor 6 Orientation Positionson 45 degree and can be

configured with application

Sends interrupt tomain processor to Wakeup

on predetermined

motion detection

Configurable Sleep modesends interrupt to go into

Sleep Mode when no motiondetected for predetermined

time.

Shake can be enabled onany combination of the 3

axes for one interrupt.

• Custom Trip points

• Configurable Z-lockout• Configurable 1g LockoutThreshold•With Hysteresis

•Autowake configurable withmultiple combinations ofembedded interrupts that can

drive wake state• Can wake to any output datarate

• Sleep on various timingconfigurations• Up to 80+ seconds• Low current in sleep mode

InternalFIFO data buffer

MMA8451/2/3/xQ Applications Enabled

High Pass Filter

• Custom Thresholds

• Directional Tap Detect• Custom debounce configuration

• Custom Thresholds• Directional Shake Detect




MMA845xQ Significantly Lower Power




Features• 1.9V to 3.6V supply voltage•±2g/ ±4g/ ±8g dynamically selectable full-scale

•Output data rate (ODR) from 800Hz to 1.563Hz•120µg/Hz noise at normal mode ODR=400Hz•Best Performance Resolution: 13.7 Effective Bits 0.02º Resolution•14 bit digital output•I²C digital output interface (operates up to 4.75MHz)•Programmable 2 interrupt pins for 7 interrupt sources•Embedded 3 channels of motion detection

•Free fall or motion detection: 1 channel•Pulse detection: 1 channel•Transient detection : 1 channel

•Embedded orientation (Portrait/Landscape) detection with hysteresis•Embedded automatic ODR change for auto-wake-up and return-to-sleep•Embedded 32 sample FIFO simplifies position tracking analysis•Embedded Directional tap•Embedded High Pass Filter•Low Power Mode•Embedded self test•10000g high shock survivability


Mobile Phones

PCs and HDDs

NDA Required

Remote Controls

Gaming Consoles

PNDs

Netbooks, Ebooks, Tablets

Medical Instrumentation

Sports Monitoring

MMA8451 – 14-bit 3-Axiswith embedded FIFO buffer





•Output data rate (ODR) from 800Hz to 1.563Hz•120µg/Hz noise at normal mode ODR=400Hz•Best Performance Resolution: 12 Effective Bits 0.06º Resolution•12 bit digital output•I²C digital output interface (operates up to 4.75MHz)•Programmable 2 interrupt pins for 6 interrupt sources•Embedded 3 channels of motion detection

•Free fall or motion detection: 1 channel•Pulse detection: 1 channel•Transient detection : 1 channel

•Embedded orientation (Portrait/Landscape) detection with hysteresis•Embedded automatic ODR change for auto-wake-up and return-to-sleep•Embedded Directional tap•Embedded High Pass Filter•Embedded self test•10000g high shock survivability


NDA Required

Mobile Phones

PCs and HDDs

Remote Controls

Gaming Consoles

PNDs



Sports Monitoring

MMA8452 – 12-bit 3-Axiswith select functions





•Output data rate (ODR) from 800Hz to 1.563Hz•10- bit digital output•120µg/Hz noise at normal mode ODR=400Hz• Best Performance Resolution: 10 Effective Bits <0.25º Resolution•I²C digital output interface (operates up to 4.75MHz)•Programmable 2 interrupt pins for 6 interrupt sources•Embedded 3 channels of motion detection

•Free fall or motion detection: 1 channels•Pulse detection: 1 channel•Transient detection : 1 channel

•Embedded orientation (Portrait/Landscape) detection fixed Hysteresis 30/60•Embedded automatic ODR change for auto-wake-up and return-to-sleep•Embedded self test•10000g high shock survivability


NDA Required

Mobile Phones

PCs and HDDs

Remote Controls

Gaming Consoles

PNDs



Sports Monitoring

MMA8453 – 10-bit 3-Axiswith select functions




Launch Date PlannedFirst Samples June-August 2010Product Launch September 2010Production September 2010

Part NumbersMMA845xQT (Tray) - bulk ordersMMA845xQR1 (7 inch reel) – MPQ: 1000

Development BoardsLFSTBEB845x $75: September 2010 StockLFSTBUSB: $50: September 2010 StockRDMMA845x: $99: September 2010 Stock

* RD is combo kit for USB and EB845x kits

Collateral10 MMA845xQ Application Notes5 MMA845xQ YouTube Videos

Veyron Collateral Plan

LFSTBEB8450 (Need LFSTBUSB to work with GUI)

Resale Price: $75 RD3924MM A8450

(LFSTBUSB + LFSTBEB8450 Boards)

Resale Price: $99

Embedded Orientation Detection(Aug)

Offset Calibration(Aug)Motion and Freefall Detection (Aug)

High Pass Filtered Data and Transient Detection(Aug)

Directional Tap Detection (Aug)

Using the 32 Sample FIFO (First In First Out) (Aug)

Low-Power Modes and Auto-Wake/Sleep(Aug)

Data Manipulation and Basic Settings (Aug)

Design Checklist and Board Mounting Guidelines (Aug)

Design Trade off between Low Power and High Resolution Modes (Aug)




1 VddIO

GND

Vdd

SCL

NC

INT2

INT1

GND

Reserved

S D A

A l t A D D R

V d d

E N

N C

N C

8450

4.7μF

0.1μF

NC

GND

0Ω

1.8V

1.8V

host Interface

0Ω

MMA8450Q




1 VddIO G N D

GND

Vdd

SCL

NC

INT2

INT1

GND

Reserved

S D A

A l t A D D R

V d d

E N

N C

N C

845x

4.7μF

0.1μF

NC

GND

1.8V - 3.6V

1.95V-3.6V

VddIO should

not exceedVDD

0.1μF

BYP

1.8V-3.6V

host Interface

NC

Vdd

N C

0Ω

MMA8451/52/53

mma845xq accelerometer freescale xtrinsic

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