Attention. For additional information, please contact Jim Beneke at Avnet Copyright Avnet, Inc. All rights reserved.

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1 Attention 1 The material contained in this presentation is the property of Avnet Electronics Marketing. Use of this material in it s whole or in part is restricted to Avnet s X-Fest program and Avnet employees. Any use by non-avnet employees outside of the X-Fest program is prohibited. For additional information, please contact Jim Beneke at Avnet (jim.beneke@avnet.com).

2 Designing Your Product for the Human Experience

3 What is The Human Experience.. 3 How do your customers interact with your product? How do they feel while they are using your product?

4 Objectives 4 See how the human-machine interface affects a product s Differentiation Ease of use Reliability Cost Learn how to start designing three popular humanmachine interfaces Show how to use a single device connected to the FPGA to enhance the human-machine interface

5 Agenda 5 Trends in Human-Machine Interfaces Human-Machine Interfaces on the Avnet Spartan-6 LX16 Evaluation Board Touch-sensing buttons Custom segment LCD USB to PC FPGA Design with Human-Machine Interfaces Getting Started

6 Agenda 6 Trends in Human-Machine Interfaces Human-Machine Interfaces on the Avnet Spartan-6 LX16 Evaluation Board Touch-sensing buttons Custom segment LCD USB to PC FPGA Design with Human-Machine Interfaces Getting Started

7 ... Human Machine Interfaces Trends 7 Fueled recently by extremely innovative products Customers prefer products with Elegant, durable industrial design Intuitive operator panels and controls Instant USB connectivity

8 Touch-sensing is Elegant and Durable 8 Touch interfaces are Elegant, modern, thin Inexpensive copper pad on PCB Hermetically sealed Easy to design in Lasts longer If mechanical switch, dial, or keypad fails, then product fails High durability mechanical buttons are expensive No extra cost for touch interface durability Laptop Air Cleaner

9 . Custom Displays and Controls are Intuitive 9 Custom segment LCDs Highly customizable Anything you can draw, you can build (fuel gauge, logo) Surprisingly inexpensive Integrate touch interfaces with a custom LCD for added intuitiveness

10 The PC Provides a Window to the Machine 10 PCs are commonly used as the user interface to a machine USB links the machine to the PC USB

11 .. Interfacing an FPGA to Humans 11 Touch, custom display, and USB interfaces are not native to the FPGA How could they be implemented? Implement each interface with an interface chip Multiple interfaces require multiple chips What about a single chip that adds touch, custom display, and USB interfaces? (And much more!)

12 Introducing Cypress PSoC 3? 12 PSoC = Programmable System-on-Chip Cypress 2nd generation platform Built around 8051 microprocessor User-programmable Drop-in programmable analog peripherals ADCs DACs TIAs Mixers PGAs OpAmps Drop-in programmable Drop-in digital programmable peripherals digital 8 to 32-bit timers PWMs Counters Cyclic Redundancy Check SPI Quadrature decoders UART USB 2.0 Full-speed Ultra low power with 0.5V to 5.5V voltage range Full-featured PSoC Creator Integrated Development Environment

13 Avnet Spartan-6 LX16 Evaluation Kit Xilinx Spartan-6 FPGA Cypress PSoC 3 Custom Segment LCD Full-Speed USB Touch-Sensing

14 ... Questions 14 Who has previously designed with an FPGA? Any with MicroBlaze? Who has previously designed with Cypress PSoC? Who is familiar with PSoC 3?

15 Agenda 15 Trends in Human-Machine Interfaces Human-Machine Interfaces on the Avnet Spartan-6 LX16 Evaluation Board Touch-sensing buttons Custom segment LCD USB to PC FPGA Design with Human-Machine Interfaces Getting Started

16 What is CapSense Touch-Sensing? 16 Projected capacitive technology Better reliability than surface capacitive or resistive Buttons Sliders Proximity Sensing Touch pads Detects presence/absence of a conductive object (specifically, a fingertip)

17 Where Can You Use CapSense? 17 CapSense touch sensing works everywhere CapSense Pads PCB PSoC Chip

18 Where Can You Use CapSense?. 18 CapSense touch sensing works everywhere Any surface such as glass or plastic Any environment such as rain or with gloves Gloves Overlay CapSense PSoC

19 How CapSense Works Sensor Total Capacitance = C X C X = C P + C F Overlay C F Copper Ground Sensor Copper Ground C P C P Dielectric * Diagram not to scale

20 Agenda 20 Trends in Human-Machine Interfaces Human-Machine Interfaces on the Avnet Spartan-6 LX16 Evaluation Board Touch-sensing buttons Custom segment LCD USB to PC FPGA Design with Human-Machine Interfaces Getting Started

21 LCD Requires an Analog Drive Chip FPGA cannot drive analog waveforms required by LCDs Driver chip required FPGAs commonly interface to off-the-shelf LCD modules Drive chips integrated onto module PSoC integrates analog capability to directly drive LCD CapSense can be placed underneath LCD glass FPGA LCD Module LCD Driver Analog Drive Waveforms Standard LCD Glass FPGA PSoC 3 LCD Driver Analog Drive Waveforms Custom LCD Glass

22 .. Questions 22 Has anyone designed a custom segment LCD? What was it for? For those who haven t, what would you expect: Pay for non-recurring engineering (NRE) cost? Minimum order quantity? Per unit cost for a small display?

23 .. Creating a Custom Segment LCD 23 Create a drawing Visio, Paint, PPT Specify module parameters Commons, segments Operating voltage Connection type Pin or ribbon $2000 NRE Design drawings Five prototypes 1000-piece pricing is $2.13

24 How LCDs Work. 24 No Voltage Applied Voltage Applied

25 LCD- Working Principle.. 25 Side View Top View Mirror Segment Liquid Crystal Common

26 LCD- Working Principle Side View Top View Mirror Segment Liquid Crystal Common

27 LCD Driving 27 Commons/segments driven with analog waveforms Waveforms must maintain 0V DC average Prolonged DC voltage damages the display PSoC 3 LCD drive Designed to maintain 0V DC average Delivers short bursts of potential to turn elements on Two Types of Drive methods Static Multiplexed

28 Multiplexed LCDs 28 Multiplexed LCDs are driven with more than one common Static LCDs have only one common Each segment and common drive multiple pixels Each pixel tied to a unique common/segment pair Reduces pin count, but driving is more complicated Example: 4 elements using 4 pins instead of 5 Static Drive Seg 1 Seg 2 Multiplexed Drive Seg 1 Seg 2 Common 1 Common Common 2 Seg 3 Seg 4

29 PSoC 3 Segment LCD Drive Supports either static or multiplexed drive with built-in analog features Up to 16 Commons Maximum of 736 elements Drive complex displays without an external driver Drive displays with fewer pins More pins for peripheral integration Option for low pin count packages Configurable LCD Pin Location Shorter traces Fewer PCB layers: no crossovers Pin selection does not limit functionality 36seg x 4com = 144 elements = 12seg x 12com Driver FPGA Save 16 pins! PSoC 3 FPGA

30 LCD Direct Drive 30 PSoC Creator LCD Direct Drive Software Demo

31 PSoC Creator Segment LCD Customizer 31

32 PSoC Creator 14 Segment Helper 32

33 PSoC Creator Bar Graph Helper 33

34 Helper Function APIs 34 7 Segment SegLCD_Write7SegDigit(uint8 Digit, uint8 Position); SegLCD_Write7SegNumber(uint16 Value, uint8 Position, uint8 Mode); 14 Segment SegLCD_PutChar14Seg_3(uint8 Character, uint8 Position); SegLCD_WriteString14Seg_3(uint8* Character, uint8 Position); Bar Graph SegLCD_WriteBargraph(uint16 Location, uint8 Mode);

35 Agenda 35 Trends in Human-Machine Interfaces Human-Machine Interfaces on the Avnet Spartan-6 LX16 Evaluation Board Touch-sensing buttons Custom segment LCD USB to PC FPGA Design with Human-Machine Interfaces Getting Started

36 Instant USB Connectivity.. 36 RS232 was standard, but Electrically slow Mechanically large Not supported on many modern PCs USB benefits Plug & play Driver native in Windows, Linux, Mac Communications Device Class enables COM port Bus-power option Small form-factor connectors Data rate of 480 Mbps high-speed SuperSpeed USB 3.0 at 5Gbps coming PSoC supports 12Mbps full-speed Options available for simplifying USB design Discrete USB-UART bridge chip USB-equipped PSoC or MCU

37 FPGA USB-UART Implementations. 37 Bridge chips are simple USB Bridge Chip UART Spartan-6 PSoC is a bridge, plus much more! PC USB PSoC 3 UART SPI Config Spartan-6 Power

38 PSoC Creator Makes USB Bridging Easy 38 Built-in USBUART Macro Includes USBFS and UART Example C code provided

39 USB-UART on the PC 39 Simple driver installation Install file automatically generated by PSoC Creator Uses built-in Windows driver Looks like a COM port

40 Virtual COM Port 40 Set any terminal emulator to the virtual COM port Write application software the same as if using RS232 Simple Serial Port Applications Windows Application Serial Port Xilinx FPGA MicroBlaze UART Windows Virtual COM Port USB Driver Windows PC USB Cable PSoC USB-UART Spartan LX16 Board

41 Application Development Example: AvProg 41 Simple Visual Basic program Controls USB communication through built-in serial port calls USB data used for FPGA configuration Flash programming and readback UART bridge terminal

42 Agenda 42 Trends in Human-Machine Interfaces Human-Machine Interfaces on the Avnet Spartan-6 LX16 Evaluation Board Touch-sensing buttons Custom segment LCD USB to PC FPGA Design with Human-Machine Interfaces Getting Started

43 The Programmable Advantage 43 Spartan and PSoC are both programmable Choose the interconnecting interface that Meets performance Provides greatest ease of implementation Has the fewest pins Avnet Spartan-6 LX16 Evaluation board provides CapSense via GPIO LCD via SPI USB via UART

44 Easy Interfacing in Spartan-6 44 Use MicroBlaze to connect PSoC Xilinx ISE Design Suite Embedded Edition Built-in interface IP UART, I2C, SPI, GPIO

45 CapSense Touch-Sensing 45 PSoC 3 senses touch of PCB copper pad Xilinx FPGA Cypress PSoC PSoC drives the GPIO button logic MicroBlaze GPIO GPIO GPIO up CapSense MicroBlaze reads the GPIO peripheral to register button pushes

46 Custom-segment LCDs 46 FPGA sends LCD display commands via SPI (or UART or I2C or GPIO or ) Xilinx FPGA MicroBlaze SPI SPI SPI Cypress PSoC up LCD Drive PSoC receives commands over digital bus PSoC drives analog waveforms to LCD

47 USB-UART Bridge 47 MicroBlaze communicates over UART PSoC translates UART data to USB UART UART USB-FS PC communicates over USB via a Virtual COM Port

48 Tools for MicroBlaze Design - BSB 48 Base System Builder Wizard for generating MicroBlaze designs BSB can provide a system customized for the Spartan-6 LX16 Evaluation board

49 Tools for MicroBlaze Design - TDP 49 Targeted Design Platforms Development boards with proven design examples Targeted reference designs Fully verified and supported reference designs Infrastructure building blocks connected together Immediately start designing Start with a TDP, then customize Look for the Avnet Spartan-6 LX16 Evaluation kit TDP

50 Agenda 50 Trends in Human-Machine Interfaces Human-Machine Interfaces on the Avnet Spartan-6 LX16 Evaluation Board Touch-sensing buttons Custom segment LCD USB to PC FPGA Design with Human-Machine Interfaces Getting Started

51 Getting Started See the Demos 51 Avnet S6-LX16 board with CapSense, LCD, and USB Cypress PSoC 3 Development Kits Touch-sensing Analog sensors LCD Xilinx SP605 Targeted Design Platform Extendable MicroBlaze embedded processor plus processor sub-system implemented in Spartan-6

52 Getting Started Get Hardware 52 Avnet Spartan-6 LX16 Kit ( Cypress MiniProg3 (CY8CKIT Xilinx JTAG Cable for advanced debug

53 Getting Started Install the Tools 53 Avnet AvProg utility for Spartan-6 LX16 Evaluation Kit Xilinx ISE Design Suite, WebPack Edition EDK Evaluation Cypress PSoC Creator PSoC Programmer

54 Getting Started Create Your Own Design 54 Download Tutorials from the Avnet Design Resource Center Look for trainings from Avnet Get one-on-one help from your local Avnet FAE

55 Interfaces from the 20 th Century 55 FPGA Transceiver

56 Interfaces of Yesterday Multi-chip 56 Touch- Sensing Controller FPGA USB-UART Bridge

57 The Modern, Single Chip, Custom Solution 57 FPGA UART SPI I2C GPIO PSoC USB

58 Feedback 58 Are you interested in attending a workshop to learn more? Which topics?

59 Thanks for coming! Please Visit the Demo Area! X-fest Attendee Site:

60 LCD Construction 60

61 LCD Types- Based on Light Source 61 Transmissive Reflective Transflective

62 PSoC 3 Drives Multiple LCDs at Once 62 Multiple LCDs, One PSoC Plenty of commons, segments and I/Os to drive multiple displays Add more product functionality, reduce even more BOM PSoC 3 PSoC Creator Glucose Meter with (1) Segment and (1) Character LCD Display FPGA

63 PSoC 3/5 LCD PLUS Functionality 63 Glucose Meter Pedometer Light Meter Segment LCD Precision Analog Capsense Segment LCD Precision Analog Capsense Capsense Instrumentation Segment LCD High Performance Digital Segment LCD Precision Analog Capsense Blood Pressure Monitor Motor Control Segment LCD Precision Analog

64 Custom LCDs Differentiate Products 64 Glucose Meter Air Quality Monitor Blood Pressure Monitor ph Meter MultiMeter Standard segment Light Meter Coffee Maker Flow Transmitter Exercise Machines Custom segment

65 PSoC UART to USB Block Diagram 65 RTS Tx Rx CTS PSoC s flexible GPIOs allow user to assign dedicated RTS/CTS (Request to send/clear to send) pins for the purpose of hardware handshaking and data flow control