freescale touch sensing solutions
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Freescale Touch Sensing SolutionsEnabling natural human-machine interfaces
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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. 2008. 22
One of the fastest-growing markets for MCUs Capacitive sensing products are rapidly penetrating
the overall touch sensing technology market Expected growth is over $3 billion in 2011* Touch sensing in mobile phones alone is growing to
400 million units by 2011*
Growth Drivers: Portable devices Low-cost touch screen/panel material Manufacturability User interface evolution - IPOD effect
Touch Sensing Market Overview
*Source: Strategy Analytics and iSuppli
Touch sensing(CAGR 2007 2011: 23.8%*)
TAM: $10.7B
Growth Drivers:Portable Devices GrowthLow-cost Touch Screen/Panel MaterialManufacturabilityUser Interface Evolution - IPOD effect
SemiconductorRevenue$M
USD
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2007 2008 2009 2010 2011
Touch Sensing Semiconductor Demand
Resistive Capacitive Others
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3Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names arethe property of their respective owners. Freescale Semiconductor, Inc. 2009.
Freescale offers a broad portfolio of Touch Sensing Solutions:Stand alone sensors to highly flexible add-on software for 8-bit MCUs
Touch screensFront panels
Medical devices interfaces
Multi-media boardsFront panels
Touch screens
Instrumentation panelsBuilding control panelsHVAC controls
KeyboardsTouch screensTouchpadsMouse/peripheralsGaming controls
HVAC panelsCentral stacksLighting controlsSteering wheel sensorsDriver info and entertainment
Touch screensFront panels
Medical device interfaces
Factory
Automation
Standard &
Multi-Market
AutomotiveAppliances
Handhelds
Medical
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4Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names arethe property of their respective owners. Freescale Semiconductor, Inc. 2009. 4
Freescale Touch Sensing Software Suite enables any 8-Bit S08 MCU as a touchsensor, providing cost effective and flexible solutions for Human Machine Interfaces.
Quick and Easy
Touch Sensing Software Suite Key Advantages
TSS simplifies user interface designs, enabling customers to develop an application within 10minutes from scratch.
Innovative and Reliable
Complementary & Green
TSS is complementary software with low cost development tools, allowing the designer to choosethe best MCU device for their application, and saving them the cost of an extra IC sensor.
TSS provides an evolution in user interfaces that avoid mechanical wear and tear, increases thelife time of products, and gives greater flexibility to designers by using the awarded FreescaleMCU portfolio.
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5Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names arethe property of their respective owners. Freescale Semiconductor, Inc. 2009.
Touch Sensing Software
Enables 8-bit S08 MCUs as a touch sensor Supports up to 64 electrodes
1.8 V to 5.5 V operational voltage
Keypad, slider, rotary, matrix, touch-pads
Supports multiple communication protocols: I2C, LIN, CAN , SPI, USB
Have other peripherals working at the same time: LCD, LEDs, buzzer, ADC, other
sensors, and more
Freescale New Touch Sensing Solutions
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6Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names arethe property of their respective owners. Freescale Semiconductor, Inc. 2009.
Application Block Diagram
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7Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names arethe property of their respective owners. Freescale Semiconductor, Inc. 2009.
Touch Sensing Software Suite Solution
C u r r e n t l y a v a i la b l e
U n d e r d e v e lo p m e n t
T o u c h P a n e l
M a in M C U
T o u c h S e n s in g
S o f tw a r e S u i t e
L
C
D
LE
D
s
B
uzze
r
IIC
1 2 3
4 5 6
7 8 9
*0 #
Features: Configurable rotary, slider, keypad
decoders Full API set support Smart auto-calibration
mechanisms for environmenthassles
Noise rejection algorithms
Optimized buffer structureenabling any arrange of electrodes
Ability to enable and disable keyson runtime
Auto repeat, stuck-up key, gorillahand and other typical HMI
functions Capability to coexist with otherapplication code.
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8Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names arethe property of their respective owners. Freescale Semiconductor, Inc. 2009.
Key Benefits of SW vs IC specific
Flexibility
Allow for any electrode array combination on the same app.
Allow the user to configure the electrode GPIOs (any FSL MCU) in any way.
CPU Usage
Restrict the execution time to avoid interfering with other running tasks.
Peripherals Usage
Utilize the minimum peripherals needed for capacitive sensing
Allow the user to implement any desired feedback.
Scheduling Leave control of CPU timing and allocation to user
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9Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names arethe property of their respective owners. Freescale Semiconductor, Inc. 2009.
C&I Touch sensing products features
Touch Sensing Software (TSS)
TSS enable almost any Freescale MCU Sensor and application in the same MCU
Best flexibility: Users experience can be customized
Touch Capacitive Touch Sensor Controllers Independent IC that communicates through I2C with the main MCU
Low power device to improve battery life
The designer can setup touch configuration and behavior
The controller does everything for you
Noise rejection,Debounce,Auto Calibration,FIFO buffer,IRQ and Autorepeat.
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10Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names arethe property of their respective owners. Freescale Semiconductor, Inc. 2009.
Enable almost any Freescale MCU for proximity and touch sensing
capability on your projects Support the whole Freescale S08 family
Allow the use and configuration of any available GPIO pin as anelectrode input (up to 64 electrodes)
Basic digital signal processing already implemented
Programmable sampling period
Adjustable touch threshold setting
Low pass digital filter
Actual Touch behavior can be customized for each application
Touch Software Feature List
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11Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names arethe property of their respective owners. Freescale Semiconductor, Inc. 2009.
Touch Sensing Evaluation Board & Development Tools
TSSEVB Full evaluation and development (Resale Price: ~$79) Four demo applications included Rotary, slider, keypad, matrix, multiplexed, and backlighted LCD glass and buzzer Serial to USB converter and on board BDM Powered over USB or external power supply Different thickness overlays
Learn Quicker, Develop Faster right out of the box In box DVD enhances the experience including:
Touch Sensing Software Suite CodeWarrior 6.2 for microcontrollers Access to complimentary GUIs
Out of the box walkthroughs get up and running in minutes Application examples and application notes
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12Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names arethe property of their respective owners. Freescale Semiconductor, Inc. 2009.
Touch GUIs Tools
Compilation time configuration GUI
E x e c u t io n t im e T u n i n g G U Is
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13Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names arethe property of their respective owners. Freescale Semiconductor, Inc. 2009.
Freescale Touch Sensing Solutions Key Benefits
Allows buttons of various shapes and sizes using the same
device (Freescale owns patents for electrode footprint designs)
Simple design-in: Only one passive external component required
per electrode
Enhances reliability by eliminating physical wear and tear of
mechanical buttons
Gives greater flexibility to product designers
Reduces overall system cost
TSS allows any decoder array combination using the same
device among 8-bit portfolio
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14Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names arethe property of their respective owners. Freescale Semiconductor, Inc. 2009.
Summary
Strong and broad portfolio in sensors and microcontrollersolutions with more than 30 years of innovation
Portfolio balance for consumer, industrial and automotivewith ourcost effective touch sensing solutions
Higher integration from the smallest sensor in the industry(2 x 2 mm) to high end microcontrollers
IP ownership beyond capacitive touch sensing
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