Touch Sensing Solutions Prize Drawing Fill out your

Touch Sensing Solutions

Prize Drawing!! Fill out your Prize Drawing card for a chance to win a Sabrewing Evaluation Board! Check out a demonstration of this board at our Interactive Audio/Lighting/Gesture Showcase! © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 2

Prize Drawing!! • Enter to win a unique experience to ride in Nuvation’s Electric Racecar! • Sign-up times available at Microchip’s Registration Booth © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 3

Microchip Capacitive Technology Overview Solutions for a wide range of applications Access to algorithms for ease of design and more advanced options Easy integration and migration path via broad PIC® MCU portfolio Robust noise performance Low Power Performance Smallest Package Options © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 4

Agenda Keys, Sliders and Proximity Sensing Metal over Cap Software Solutions for Touch Screens Projected Capacitive Resistive © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 5

Capacitive Touch Principle Introduction of a finger produces a parallel capacitance (CF) CF Front Panel PCB Sensor Ground Trace Cs CP CP is the Parasitic capacitance Sensor Capacitance (CS) = CP + CF CF is the Finger capacitance Cs is the total Sensor capacitance © 2013 Microchip Technology Incorporated. All Rights Reserved. Touch Sense Technology © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 7

One-Stop Shop for Touch Sensing Industry’s broadest portfolio Turn Key solutions Micro based solutions Industry’s lowest power touch solution High robustness to noise & low emissions Works through most surfaces – glass, plastic, metal (stainless steel, aluminum) © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 8

Low Power Touch Sensing Increase your Battery Life Lower current in standby mode <5 µA touch-sensing with PIC® MCUs e. Xtreme Low Power (XLP) technology on many MCUs Sleep current down to 9 n. A Active current down to 30 µA/MHz Real-Time Clock current down to 400 n. A © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 9

General Guidelines Right. Touch® § § § § m. Touch™ Technology No firmware experience Analog design engineer No system integration value Lowest device cost Not low power focused Just want touch function 3 to 14 Channels Simple/Basic implementation § § § § Firmware experience Digital design engineer Wants to integrate other functions Lowest system cost Low power is important Want to customize Larger key count Complex interactions between proximity, sliders and keys © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 10

Right. Touch® Turnkey hardware solution Up to 14 capacitive touch inputs Up to 11 LED driver outputs Built-in noise filtering Re-calibration over time ESD Protection • CAP 11 xx 2 TM I C interface Small packages • CAP 12 xx • 3 -14 channel • Right. Touch® • Active Guard • 3 -14 channel • Right. Touch • LED Drive © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 11

m. Touch™ Technology Stand alone or with any MCU Dedicated proximity solutions Low Power down to less than 5 µA Small packages MTCH 112 I 2 CTM communication 2 channel Active Guard Digital MTCH 101 1 channel Low Cost Adj sensitivity © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 12

Product Positioning (cost vs flexibility) Flexibility to Customize PIC® Microcontroller Solutions m. Touch. TM Firmware Framework MTCH 112 MTCH 114 2 channel Active Guard 4 channel Active Guard m. Touch Tech. CAP 12 xx CAP 11 xx 3 -14 channel Right. Touch® Active Guard 3 -14 channel Right. Touch LED Drive MTCH 101 1 channel Low Cost m. Touch Tech. Cost © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 13

Product Positioning (Complexity vs Flexibility) PIC® Microcontroller Solutions Flexibility to Customize Firmware Framework MTCH 112 MTCH 114 2 channel Active Guard Digital 4 channel TBD Digital CAP 1166 CAP 1188 CAP 1114 6 channel 6 LED drivers Analog 8 channel 8 LED drivers Analog 14 channel 11 LED drivers Analog CAP 1133 CAP 1126 CAP 1128 3 channel 3 LED drivers Analog 6 channel 2 LED drivers Analog 8 channel 2 LED drivers Analog MTCH 101 CAP 1105/6 1 channel Low Cost Digital 5/6 channel Analog 1 2 4 6 © 2013 Microchip Technology Incorporated. All Rights Reserved. 8 16 Slide 14

Capacitive Touch MCU m. Touch. TM Technology Portfolio Over 250 MCUs System Integration PIC 32 GP, USB, Graphics, Ethernet & CAN ≤ 16 Cap Touch Ch. PIC 24 H GP & CAN ≤ 32 Cap Touch Ch. PIC 24 F GP, USB & LCD/Graphics ≤ 24 Cap Touch Ch. PIC 18 GP, USB & LCD GP & LCD General Purpose (GP) ≤ 24 Cap Touch Ch. PIC 16 ≤ 24 Cap Touch Ch. PIC 10/12 ≤ 24 Cap Touch Ch. 32 -512 KB Flash 64 – 121 pins 80 MHz 12 – 256 KB Flash 18 – 100 pins 40 MIPS 4 – 256 KB Flash 14 – 100 pins 16 MIPS 16 – 128 KB Flash 18 – 80 pins 12 -16 MIPS 7 – 20 KB Flash 14 - 44 pins 8 MIPS 0. 75 - 2 KB Flash 6 – 8 pins 8 MHz Available now Performance © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 15

Fixed Location Buttons Low Cost Single Layer ITO Same SW as Buttons Easy implementation Single Micro PIC 16 F 19 XX for LCD PIC 24 FJXXXDA 2 XX © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 16

Metal over Cap

Metal-Over-Cap Technology In addition to plastic and glass, sense through stainless steel, aluminum, and more Completely waterproof Through thick gloves © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 18

Metal-over-Cap Applications Medical Cleanliness Industrial Appliance Aesthetics of Stainless Steel Finish Sealed and waterproof Automotive Aluminum Finish Tactile Feedback Vandal proof Robust for outdoor environments Works with Gloves Consumer Aesthetics Braille Low Cost Low Power © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 19

How does it work? Front Panel d = Printed Circuit Board Panel Deflects User Presses Front Panel C= e 0 er. A d (on the order of microns) Distance Between Plates Decrease System Detects the Change in Capacitance © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 20

Simple Mechanical Construction The only difference is the introduction of a spacer layer to allow the deflection of the front panel It needs to be non deformable Thickness must be between 50 um and 150 µm The most common materials are Glue, FR 4 or Mylar The Front panel can be metal, plastic with metal flash/coating… Spacer Layer Front Panel PCB © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 21

Design Options Achieve various effects IML (In Mold Labeling) IMD (In Mold Decoration) PVD (Physical Vapor Deposition) Braille Selective texture or gloss finish Emboss and Deboss Half-Tone effects Hot stamp foil effects 3 D graphics © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 22

Backlighting Options EL panel LED surface mount or rear mount with Diffuser film Silicone rubber Fiber optic Light pipes © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 23

Tactile Feedback Metal dome Poly-dome Emboss © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 24

Getting Started m. Touch™ Technology Capacitive Touch Evaluation Kit 4 PIC® MCU-specific Motherboards One each PIC 16, PIC 18, PIC 24 F and PIC 32 4 Sensor Daughter Boards • $99. 95 2 -Channel Slider 4 -Channel Slider 8 Keys Direct Sense 12 -Key Matrix PICkit™ Serial Analyzer Program & Debug m. Touch Diagnostic Utility Orderable PN: DM 183026 -2 © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 25

Metal Over Cap Accessory Kit Contains 2 Daughter boards Plastic Cover 0. 25 mm Polycarbonate with silver printing on the back Metal Cover 0. 5 mm Stainless Steel etched on the back Demo SW for m. Touch. TM Technology Eval Kit Included in Microchip Applications Library • $49. 99 P/N: AC 183026 © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 26

Keys/Slider Graphical User Interface (GUI) Package, allows engineer to: Use Evaluation Kit or Custom Boards UART or USB interface Supported Monitor Sensor’s data Real Time Data Max/Min Calculate Signal To Noise Ratio Easily set up Thresholds Record and Export data to CSV format for further analysis © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 27

Software

m. Touch™ Technology Cap Software Easily integrate touch into your application Capacitive Touch and Metal Over Cap Source Code Available Include Sliders and Wheels Proximity sensing Guard Rings Self and Mutual measurement Basic Gesture Supports 8, 16 and 32 -bit PIC® MCUs Interoperable with other libraries Graphics, USB Included in Microchip Application Libraries © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 29

m. Touch. TM Technology Software code size for PIC 12/16 F Code Size / Program Memory (words) Standard Midrange Enhanced Midrange Data Space / RAM (bytes) Standard Midrange Enhanced Midrange # Sensors PRO LITE 1 653 885 648 884 1 44 49 36 43 2 961 1367 937 1387 2 57 70 50 60 3 1025 1432 1032 1483 3 68 81 61 71 4 1089 1496 1112 1563 4 79 92 72 82 5 1153 1563 1192 1643 5 90 103 83 93 6 1221 1628 1272 1731 6 101 114 94 104 +1 +68 +65 +80 +88 +1 +11 +11 © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 30

m. Touch. TM Technology Software package Code Size Architecture Method Compiler Library Flash Bytes Each key Flash/RAM Bytes PIC 18 F CTMU C 18 2001 40/32 PIC 18 F CVD C 18 2679 40/32 PIC 18 F CTMU Hi. Tech PICC 18 1510 40/32 PIC 18 F CVD Hi. Tech PICC 18 1822 40/32 PIC 24 F CTMU C 30 1728 44/34 © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 31

Touch Screen Controllers

Touch Screen Technology Comparison Analog Resistive Projected Capacitive Cost for screen < 6” Lowest Low Cost for screen > 10” Lowest High Optics 75% 90% Screen Life Good Better Ease of Integration Easy Moderate Limited Yes Finger Stylus/Glove Finger Multi-Touch Activation Method © 2013 Microchip Technology Incorporated. All Rights Reserved. • Touch Sense Technology © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 33

Touch Screen Controller Portfolio <5” Sensor Size <10” >10” m. Touch. TM Technology AR 1100 Resistive Controller m. Touch Technology AR 1000 USB Mouse USB Digitzer, UART Resistive Controller, I 2 CTM, SPI, UART m. Touch Technology MTCH 6301 Projected Capacitive I 2 C Analog Resistive © 2013 Microchip Technology Incorporated. All Rights Reserved. Projected Capacitive Slide 34

m. Touch™ Technology Projected Capacitive Solutions

Projected Capacitive Example Applications § § § Control panels, keypads, automotive controls, gaming devices & remote controls Works with printed circuit boards (PCB) sensors, film and glass based sensors, and flexible printed circuits (FPC) Scalable solutions for sizes 1. 5” to 4. 3” with 3 mm plastic and 5 mm glass cover layers © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 36

Projected Capacitive Principle One or two thin optically-clear layers of glass patterned with ITO (Indium Tin Oxide) ITO is patterned to form “channels” or “electrodes” Overlay Front Panel y-axis Electrodes Adhesive x-axis Electrodes Back Panel Shield © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 37

Projected Capacitive Principle Channels are patterned in either rows or columns on each layer Channel configuration forms X-Y coordinate system © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 38

Projected Capacitive Principle Point of contact identified by change in capacitance of row and column cells © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 39

Projected Capacitive Multi-Touch §Two simultaneous touches are shown below. © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 40

m. Touch. TM Technology Projected Capacitive Touch Advantages Sophisticated combination of Self & Mutual Capacitive Scanning Supports “n” number of touches (only limited by RAM) Proprietary Touch Identification and Tracking Access to firmware library to further optimize, improve and customize Source Code available for PIC 16, PIC 18, PIC 24 and PIC 32 Gesture capable Easily expandable Implementations as small as 5 x 5 mm u. QFN © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 41

m. Touch. TM Technology MTCH 6301 PCap Controller Turnkey XY multi touch and gestures for projected capacitive touch Allows fast, low cost integration of multi touch and gestures to create a rich user interface Scalable solutions for sizes 1. 5” to 4. 3” Supports PCB, FPC, film & glass sensors with 3 mm plastic and 5 mm glass cover layers 44 -pin QFN & TQFP packages available now MTCH 6301 -I/PT & MTCH 6301 -I/ML © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 42

m. Touch. TM Technology MTCH 6301 Features Multi-touch (up to 10 touches) Self/Mutual signal Acquisition Built in Noise Detection and Filtering Single and Dual touch drawing Gesture Detection and Reporting © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 43

Projected Capacitive Implementation Example §No external components required §Valid, filtered touch locations transmitted to host §No additional data processing needed by host 9 I/O for Column Drive Projected Touch Firmware 16 k. B Flash used, 2. 6 k. B RAM supports up to 10 touches X 01 - - - x 11 x 12 y 01 - I 2 CTM, UART - Application Code such as Comms etc. ADC CTMU or CVD Acquisition y 08 y 09 12 ADC Channels for Row Sensing © 2013 Microchip Technology Incorporated. All Rights Reserved. Diamond Pattern (alternative patterns types also supported) Slide 44

m. Touch™ Technology Projected Capacitive Development Kit m. Touch Technology Projected Capacitive Royalty Free Source Code Solution – Low Cost – Low Power Features and Specifications Demo & Dev Tool Turnkey Pcap MTCH 6301 controller with 3. 5” diamond-pattern opaque touchpad Gestures Single- and Dual-Touch Drawing Up to 7 Simultaneous Activations Turnkey Pcap MTCH 6301 controller with 4. 3” diamond-patterned transparent sensor Up to 3 activations Uses the Microchip graphics library PIC 32 GUI PCap 4. 3” Dev Tool #DM 320015 © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 45

PCap Touch Modules Touch Partner AMT Taiwan http: //www. amtouch. com. tw/ Offer Standard PCap Modules for 3. 5” – 15. 6” Combine electronics, sensor and LCD’s Top glass options – décor, thickness, chemical strengthening Time & money savings, risk reduction Easy selection of matched components Optimized performance for sensor, electronics and LCD Reduced integration variables, minimize noise © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 46

Analog Resistive Controllers

Analog Resistive Applications Universal Touch-Screen Controllers Provide Fully Processed, Reliable Touch Coordinates for a Variety of Consumer, Industrial and Medical Applications Appliance/Home Medical Kitchen Recipe Reader HVAC controls Security systems Consumer & Automotive Fitness Equipment Remote controls Mobile communication GPS & Navigation Systems Glucose monitors Patient monitoring equipment Industrial Automation & Office Industrial controls Printers Retail Point-of-Sale Cash registers ATM Kiosks Commercial Scales © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 48

How Analog Resistive Works Two layers of Indium Tin Oxide (ITO) on polyester separated by a spacer layer When touched, top (flex) layer moves past spacer layer and contacts bottom (stable) layer Point of contact creates voltage divider in the X and Y directions Flex Layer Stable Layer © 2013 Microchip Technology Incorporated. All Rights Reserved. Touch Sense Technology © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 49

Analog Resistive Sensor Guide 4 Wire 5 Wire 8 Wire Linearity Very Good Least Linear Very Good Power Low Medium Low Bus Bar Size Thin Medium Wide Drift Susceptibility Susceptible Senses & Compensates ♦ Durability Medium High ♦ Medium Cost Low ♦ Medium Suppliers Many Fewest 4 -wire is the low cost/ high volume solution 5 -wire improves durability 8 -wire helps adjust for environmental drift conditions © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 50

Why m. Touch™ Technology AR Series? AR 1000 Series X-Y Data Filtering Touch Decoding Data Calibration & Correction HOST • I 2 C™ • SPI • UART USB Receives complete processed data from m. Touch Technology AR controller Free ! ers v i r D • Drivers for: ü I 2 C, SPI, UART or USB output to host controller ü ü ü Windows® CE Windows XP Windows 7 Linux Android™ ü On-chip calibration so no touch code to write ü Universal support of all 4, 5 or 8 wire sensors for flexibility ü Highly accurate touch for small buttons ü External wake-up to save power ü Free Drivers for most major platforms Faster Development, Lower Risk and Lower Power © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 51

m. Touch™ Technology AR 1000 Series Product Family AR 1011 AR 1021 Markets/Applications Features and Specifications Embedded systems UART output - AR 1011 Game Consoles, Consumer Electronics, Mobile devices SPI or I 2 C™ output - AR 1021 Automotive, Medical Equipment Office Automation, Printers Universal Support for 4, 5 & 8 Wire Sensors Internal Calibration & Filtering Eliminates All Host Processing of Touch Data Universal Support for 4, 5 & 8 Wire Sensors Larger size touch screens > 7” AR 1100 ed vanc d A & USB libration Ca AR 1100 BRD OS Based & Embedded Systems Chip - Auto detect USB or UART USB Communication to attach peripherals Board - Auto detect USB or RS-232 Perfect for touch screen monitors, kiosks, POS, industrial controls, medical and consumer markets USB Mouse or Single Touch Win 7 Digitizer Board product for fast integration Eliminates All Host Processing of Touch Data USB & Advanced 9 & 25 point Calibration Universal Support for 4, 5 & 8 Wire Sensors Internal Calibration & Filtering © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 52

Getting Started Everything needed to easily evaluate resistive touch screen controllers 7” touch screen sensor & all necessary cables Easy-to-use configuration utility with GUI • USB © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 53

Summary Broad portfolio includes solutions for Keys, Sliders & Proximity Sensing Works through Metal Touch Screen Controllers Analog Resistive & Projected Capacitive Lowest Power Award-winning XLP technology High System Integration Touch integrated with Display, USB, CAN High Flexibility www. microchip. com/mtouch © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 54

This presentation was brought to you by Visit www. digikey. com/microchipdiscount for Design West 2013 Special Discounts Digi-Key Coupon also included in training bag © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 55

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Trademarks The Microchip name and logo, the Microchip logo, ds. PIC, Kee. Loq logo, MPLAB, PICmicro, PICSTART, PIC 32 logo, rf. PIC and UNI/O are registered trademarks of Microchip Technology Incorporated in the U. S. A. and other countries. Filter. Lab, Hampshire, HI-TECH C, Linear Active Thermistor, MXDEV, MXLAB, SEEVAL and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U. S. A. Analog-for-the-Digital Age, Application Maestro, chip. KIT logo, Code. Guard, ds. PICDEM. net, ds. PICworks, ds. SPEAK, ECAN, ECONOMONITOR, Fan. Sense, HI-TIDE, In‑Circuit Serial Programming, ICSP, Mindi, Mi. Wi, MPASM, MPLAB Certified logo, MPLIB, MPLINK, m. Touch, Omniscient Code Generation, PICC -18, PICDEM. net, PICkit, PICtail, REAL ICE, rf. LAB, Select Mode, Total Endurance, TSHARC, Uni. Win. Driver, Wiper. Lock and ZENA are trademarks of Microchip Technology Incorporated in the U. S. A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U. S. A. All other trademarks mentioned herein are property of their respective companies. © 2013, Microchip Technology Incorporated, All Rights Reserved. © 2013 Microchip Technology Incorporated. All Rights Reserved. Slide 58