Cypress Semiconductor PSoC 1 FirstTouch CY3270 User manual

CY3270
PSoC® 1 FirstTouch™ Kit Guide
Document No. 001-15945 Rev. *D
Cypress Semiconductor
198 Champion Court
San Jose, CA 95134-1709
Phone (USA): 800.858.1810
Phone (Intnl): 408.943.2600
http://www.cypress.com

2 CY3270 PSoC® FirstTouch™ Kit Guide, Document No. 001-15945 Rev. *D
Copyrights
Copyrights
© Cypress Semiconductor Corporation, 2007-2011. The information contained herein is subject to change without notice.
Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a
Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted
nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an
express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use as critical components
in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user.
The inclusion of Cypress products in life-support systems application implies that the manufacturer assumes all risk of such
use and in doing so indemnifies Cypress against all charges.
PSoC Designer™ and Programmable System-on-Chip™ are trademarks and PSoC® is a registered trademark of Cypress
Semiconductor Corp. I²C is a registered trademark of Philips Electronics. All other trademarks or registered trademarks refer-
enced herein are property of the respective corporations.
Any Source Code (software and/or firmware) is owned by Cypress Semiconductor Corporation (Cypress) and is protected by
and subject to worldwide patent protection (United States and foreign), United States copyright laws and international treaty
provisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create
derivative works of and compile the Cypress Source Code and derivative works for the sole purpose of creating custom soft-
ware and or firmware in support of licensee product to be used only in conjunction with a Cypress integrated circuit as speci-
fied in the applicable agreement. Any reproduction, modification, translation, compilation or representation of this Source
Code except as specified above is prohibited without the express written permission of Cypress.
Disclaimer
CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS MATERIAL,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PAR-
TICULAR PURPOSE. Cypress reserves the right to make changes without further notice to the materials described herein.
Cypress does not assume any liability arising out of the application or use of any product or circuit described herein. Cypress
does not authorize its products for use as critical components in life-support systems where a malfunction or failure may rea-
sonably be expected to result in significant injury to the user. The inclusion of Cypress’ product in a life-support systems appli-
cation implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges.
Use may be limited by and subject to the applicable Cypress software license agreement.

CY3270 PSoC® FirstTouch™ Kit Guide, Document No. 001-15945 Rev. *D 3
Contents
1. Introduction 5
1.1 Kit Contents..............................................................................................................................6
1.2 Additional Learning Resources.................................................................................................6
1.2.1 Reference Documents ..................................................................................................6
1.3 Document History.....................................................................................................................7
1.4 Document Conventions ............................................................................................................7
2. Getting Started 9
2.1 Introduction...............................................................................................................................9
2.2 CD Installation ..........................................................................................................................9
2.3 PSoC Designer.......................................................................................................................14
2.4 PSoC Programmer .................................................................................................................15
2.5 Install Hardware......................................................................................................................15
2.6 Run CapSense Touch Sensing Design ..................................................................................16
3. Kit Operation 17
3.1 Introduction.............................................................................................................................17
3.1.1 MultiFunction Expansion Card (FTMF).......................................................................17
3.2 FTMF Expansion Card Demonstrations .................................................................................17
3.2.1 CapSense Touch Sensing Demonstration (Default)....................................................18
3.2.2 Temperature Sensing Demonstration..........................................................................18
3.2.3 Light Sensing Demonstration......................................................................................18
3.2.4 CapSense Proximity Sensing Demonstration.............................................................18
4. Hardware 19
4.1 System Block Diagram ...........................................................................................................19
4.2 FTPC Bridge (First Touch PC Bridge)....................................................................................20
4.2.1 LED Usage..................................................................................................................21
4.3 Expansion Card Overview......................................................................................................23
4.4 Expansion Card Details..........................................................................................................23
4.4.1 FirstTouch MultiFunction Expansion (FTMF) Card......................................................23
5. Code Examples 29
5.1 My First Code Example ..........................................................................................................29
5.1.1 Project Objective.........................................................................................................29
5.1.2 Flowchart.....................................................................................................................30
5.1.3 Creating My First PSoC 1 Project...............................................................................31
5.2 MultiFunction Expansion Card Light Sensor...........................................................................51
5.2.1 Device Configuration...................................................................................................52
5.2.2 Firmware Architecture.................................................................................................53
5.3 MultiFunction Expansion Card Proximity Sensor....................................................................54
5.3.1 Device Configuration...................................................................................................55

4 CY3270 PSoC® FirstTouch™ Kit Guide, Document No. 001-15945 Rev. *D
Contents
5.3.2 Firmware Architecture.................................................................................................56
5.4 Multifunction Expansion Card Temperature Sensor...............................................................57
5.4.1 Device Configuration ..................................................................................................58
5.4.2 Firmware Architecture.................................................................................................59
A. Appendix 61
A.1 Schematic...............................................................................................................................61
A.1.1 First Touch PC Bridge Schematic...............................................................................61
A.1.2 First Touch Multifunction Card Schematic ..................................................................62
A.2 Board Layout..........................................................................................................................63
A.2.1 PDCR-9402 Primary side ...........................................................................................63
A.2.2 PDCR-9402 Secondary Side......................................................................................63
A.2.3 Assembly Drawing of First touch Multifunction Card (Primary side)...........................63
A.2.4 Assembly Drawing of First touch Multifunction Card (Secondary Side) .....................64
A.2.5 PDCR-9403 Primary Side...........................................................................................64
A.2.6 PDCR-9403 Secondary Side......................................................................................64
A.2.7 Assembly Drawing for FirstTouch PC Bridge..............................................................65
A.3 BOM .......................................................................................................................................66
A.3.1 FirstTouch Multifunction Board ...................................................................................66
A.3.2 FirstTouch PC Bridge..................................................................................................67

CY3270 PSoC® FirstTouch™ Kit Guide, Document No. 001-15945 Rev. *D 5
1. Introduction
Thank you for your interest in the CY3270 PSoC®1 FirstTouch™ Kit (FTK). You can design your
own projects with Cypress's easy-to-use Integrated Development Environment (IDE), PSoC
Designer™, or by altering sample projects provided along with this kit. The CY3270 PSoC 1 FTK is
described in the Help guides and examples projects that are available. The project “MF_CS_SLIDE”
is programmed on the CY3270 PSoC 1 FTK as the default project for demonstration purposes. For
more information on the default project, refer to Chapter 5.
The CY3270 PSoC 1 FTK includes a USB interface dongle, referred to as the FTPC bridge, and a
multifunction expansion card, referred to as the FTMF Expansion Card. The FTMF Expansion Card
demonstrates a variety of applications using ‘PSoC Powered Peripherals’. The FTMF Expansion
Card connects to the bridge through the bridge’s built-in 8×2 pin expansion port. As the name
implies, the FTPC bridge forms the connection between the FTMF Expansion Card and the various
PC applications that control and communicate with the FTMF Expansion Card.
The FTPC bridge portion of the kit contains a programmed Cypress CY8C24894 PSoC that
performs all of the USB and expansion card interface functions. The firmware that is run by this
PSoC performs the following primary functions:
■Functions as a USB physical and logical interface
■Provides PSoC MiniProg emulation for in system serial programming (ISSP) of the expansion
cards
■Provides communications with the PSoC programming utility
■Performs HID data channel communications
■Performs expansion card I2C communications
■Performs expansion card SPI communications
There are no other active components inside of the FTPC bridge. All of these interfaces run on a sin-
gle PSoC device. Future projects for the FirstTouch kit allow you to modify the FTPC firmware and
try some USB Interface designs of your own.
The FirstTouch expansion card connects to the FTPC bridge through the bridge’s 8×2 pin expansion
port. This expansion port provides all of the necessary signals to program the host PSoC on the
expansion card. The expansion port also provides power, ground, and I2C or SPI communications to
and from the expansion card host PSoC and PC.
The FirstTouch expansion card has a dedicated host PSoC. Therefore, when it is programmed with
your design, the expansion cards can operate either detached from the FTPC bridge in standalone
mode or connected to your system hardware. It is necessary to provide power and ground for the
expansion card to operate in either of these two arrangements.
There are four unused analog or digital GPIO pins on the FTPC port and four unused analog or
digital GPIO pins on the expansion card. This allows you to create custom designs and connect the
signals you want to the FTPC bridge or the FirstTouch expansion cards. These GPIO pins on the
PSoC are not connected to the header by default; zero ohm resistors (R9-R12) must be placed to
use these GPIOs.

6 CY3270 PSoC® FirstTouch™ Kit Guide, Document No. 001-15945 Rev. *D
Introduction
Chapter 2 describes the installation and configuration of the CY3270 PSoC 1 FTK. Chapter 3
describes the kit operation. It explains the programming of a PSoC 1 device with the PSoC
Programmer, and the usage of the kit with the help of an example project. Chapter 4 describes the
hardware operation. Chapter 5 provides information about the firmware and example project.
The Appendix A section provides the schematics and BOM associated with the PSoC Designer 5.1.
You can evaluate the included sample projects and then experiment with the included hardware and
software to create your own designs.
1.1 Kit Contents
The CY3270 PSoC 1 FTK contains:
■FirstTouch PC bridge.
■FirstTouch multifunction card
■CY8C21434-24LTXI sample
■Single strand wire (for proximity)
■CY3270-FTK Kit CD
❐PSoC Designer installation file
❐PSoC Programmer installation file
❐Bridge control panel installation file (packaged along with PSoC Programmer)
❐Code examples
❐Hardware files
❐Kit guide
❐Quick start guide
❐Release notes
Inspect the contents of the kit. If any parts are missing, contact your nearest Cypress sales office for
further assistance.
1.2 Additional Learning Resources
Visit www.cypress.com for additional learning resources in the form of data sheets, technical
reference manual, and application notes.
1.2.1 Reference Documents
■Application note - AN2216 - PSoC®1 - Estimating PSoC Power Consumption
http://www.cypress.com/?rID=2913
■PSoC CY8C21434 - Chip features and related documents:
http://www.cypress.com/?mpn=CY8C21434-24LQXI
■PSoC CY8C27443- Chip features and related documents:
http://www.cypress.com/?mpn=CY8C27443-24SXI
■FIRST TOUCH MF_Board Schematic.pdf
http://www.cypress.com/?docID=22557
■For more information regarding PSoC Designer functionality and releases:
www.cypress.com/go/psocdesigner
■For more information regarding PSoC Programmer, supported hardware and COM layer:
www.cypress.com/go/psocprogrammer
■For a list of PSoC Designer-related trainings, see http://www.cypress.com/?rID=40543

CY3270 PSoC® FirstTouch™ Kit Guide, Document No. 001-15945 Rev. *D 7
Introduction
1.3 Document History
1.4 Document Conventions
Revision PDF Creation
Date Origin of Change Description of Change
** 08/17/2007 SXF New document
*A 02/08/2011 RKPM Updated template.
*B 02/16/2011 GNKK Formatted page layout in TOC.
*C 02/22/2011 RKPM
Updated link in CD Installation section.
Removed reference to PSoC Express from
Copyright information.
Removed references to PSoC Designer version
in Chapter 2.
*D 05/25/2011 RKPM
Changed document title to CY3270 PSoC®1
FirstTouch™ Kit Guide.
Code Examples chapter: Added ‘My First Code
Example’ section; updated all flowcharts.
Table 1-1. Document Conventions for Guides
Convention Usage
Courier New Displays file locations, User entered text, and source code:
C:\ ...cd\icc\
Italics Displays file names and reference documentation:
Read about the sourcefile.hex file in the PSoC Designer User Guide.
[Bracketed,Bold]Displays keyboard commands in procedures:
[Enter] or [Ctrl][C]
File > Open Represents menu paths:
File > Open >New Project
Bold Displays commands, menu paths, and icon names in procedures:
Click the File icon and then click Open.
Times New Roman Displays an equation:
2 + 2 = 4
Text in gray boxes Describes cautions or uniwue functionality of the product.

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Introduction

CY3270 PSoC® FirstTouch™ Kit Guide, Document No. 001-15945 Rev. *D 9
2. Getting Started
2.1 Introduction
This chapter describes how to install and configure the CY3270 PSoC 1 FTK.
2.2 CD Installation
To install the CY3270 PSoC 1 FTK, follow these steps:
1. Insert the kit CD into the CD drive of your PC. The CD is designed to auto-run and the kit installer
menu appears.
Note You can also download the latest kit installer from http://www.cypress.com/go/CY3270-FTK.
Three different types of installers are available for download.
■CY3270-FTK_ISO: This file (ISO image) is an archive file of the optical disc provided with the kit.
You can use this to create an installer CD or extract information using WinRar or similar tools.
■CY3270-FTK_ Single Package: This executable file installs the contents of the kit CD, which
includes PSoC Programmer, PSoC Designer, kit code examples, kit hardware files, and user doc-
uments.
■CY3270-FTK_Single Package (without prerequisites): This executable file installs only the kit
contents, which includes kit code examples, hardware files, and user documents.
Download the kit installer ISO file and create an installer CD, or extract the ISO using WinRar and
install the executables.
2. Click Install CY3270-FTK to start the installation as shown in Figure 2-1.

10 CY3270 PSoC® FirstTouch™ Kit Guide, Document No. 001-15945 Rev. *D
Getting Started
Figure 2-1. Kit Installer Menu
Note If auto-run does not execute, double-click cyautorun.exe file on the root directory of the CD as
shown in Figure 2-2.
Figure 2-2. Root Directory of the CD
3. The InstallShield Wizard screen appears. On this screen, choose the folder location to install
the setup files. You can change the location of the folder for the setup files using Change as
shown in Figure 2-3.
4. Click Next to launch the kit installer.

CY3270 PSoC® FirstTouch™ Kit Guide, Document No. 001-15945 Rev. *D 11
Getting Started
Figure 2-3. InstallShield Wizard
5. On the Product Installation Overview screen, select the installation type that best suits your
requirement.
The drop-down menu has three options - Typical, Complete,and Custom, as shown in
Figure 2-4.
6. Click Next to start the installation.
Figure 2-4. Installation Type Options
7. After the installation begins, a list of all packages appears on the Installation Page.

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Getting Started
8. A green check mark appears next to each package as it is downloaded and installed (see
Figure 2-5.
9. Wait until all the packages are downloaded and installed successfully.
Figure 2-5. Installation Page

CY3270 PSoC® FirstTouch™ Kit Guide, Document No. 001-15945 Rev. *D 13
Getting Started
10.Click Finish to complete the installation of the kit installer as shown in Figure 2-6.
Figure 2-6. Installation Completion Page
After installing the software, verify that you have all hardware and drivers setup for the CY3270
PSoC 1 FTK by connecting the kit to your PC through its USB interface. As this is the first time you
connect the board to this PC, initial drivers get installed. Follow the on-screen dialogs for USB detec-
tion to complete the installation process. Verify your installation and setup by opening PSoC Pro-
grammer with the kit board attached.
Note Advanced users can skip to the Code Examples chapter.

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Getting Started
2.3 PSoC Designer
1. Click Start > All Programs > Cypress > PSoC Designer <version> > PSoC Designer <ver-
sion> (Figure 2-7)
2. Click File > New Project to create a new project on the PSoC Designer <version> menu or click
File > Open to work with an existing project on the PSoC Designer <version> menu
Figure 2-7. PSoC Designer Interconnect View
3. To experiment with the example projects, go to Chapter 5.
Note For more details on PSoC Designer go to the PSoC Designer IDE Guide at the following loca-
tion:
<InstallDirectory>:\Program Files\Cypress\PSoC Designer\<version>\Documentation
See Additional Learning Resources on page 6 for links to PSoC Designer training. The PSoC
Designer quick start guide is available at http://www.cypress.com/?rID=47954.

CY3270 PSoC® FirstTouch™ Kit Guide, Document No. 001-15945 Rev. *D 15
Getting Started
2.4 PSoC Programmer
1. Click Start > All Programs > Cypress > PSoC Programmer <version>> PSoC Programmer
<version>
(Figure 2-8).
2. Select the MiniProg from the port selection as shown in Figure 2-8.
Figure 2-8. PSoC Programmer Window
3. Click File Load to load the hex file.
4. Use the Program button to program the hex file on to the chip.
5. After programming is successful, Programming Succeeded appears in the Action Pane.
6. Close PSoC Programmer.
Note For more details on PSoC Programmer go to the Programmer user guide at:
<InstallDirectory>:\Program Files\Cypress\Programmer\<version>\Documents.
2.5 Install Hardware
Insert the PSoC FirstTouch Starter Kit (FTPC Bridge and FTMF Expansion Card connected) into
your computer’s USB port. In the ‘Found New Hardware Wizard’ window, select No, not this time. In
the second ‘Found New Hardware Wizard’ window, select Install the software automatically. Alterna-
tively, direct the New Hardware wizard to
\..\Program Files\Cypress\PSoC Programmer\drivers\ on your computer. If prompted
with a 'Driver Verification' message, click Continue Anyway.

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Getting Started
2.6 Run CapSense Touch Sensing Design
To install the kit hardware and run the CapSense touch sensing design, continue as follows:
1. Remove both end caps from the FTPC Bridge and then connect the FTMF Expansion Card into
the header of the FTPC Bridge such that ‘Cypress Perform’ is visible on both boards. Insert the
assembled kit in your computer’s USB port. Select Cancel in the ‘Found New Hardware Wizard’
window that appears.
2. Slide your finger along the CapSense touch sensing slider found on the furthest point away from
your computer. Notice the LED variation based on the position of your finger on the slider. This is
the CapSense touch sensing design working right out of the box.

CY3270 PSoC® FirstTouch™ Kit Guide, Document No. 001-15945 Rev. *D 17
3. Kit Operation
3.1 Introduction
The CY3270 PSoC 1 FTK examples help you develop applications using the PSoC 1 family of
devices. The kit is designed to showcase how PSoC 1 can be used to easily develop temperature,
CapSense, light, and proximity sensing applications.
3.1.1 MultiFunction Expansion Card (FTMF)
The FTMF card is connected to the PC bridge as shown in Figure 3-1.
Figure 3-1. FTMF Card connected to PC Bridge
3.1.1.1 Programming FTMF
FTMF is programmed using the PC bridge and power is supplied through USB to the card. PSoC
Programmer is used to program the .hex file on to the FTMF card.
3.2 FTMF Expansion Card Demonstrations
The FTMF expansion card provided in your kit is capable of supporting a variety of demonstrations.
Each demonstration has an associated PSoC Designer project and a datasheet that describes the
operation and usage of each of the demonstrations in detail. Since the FTMF expansion card has its
own PSoC, you can remove it from the FTPC bridge and insert it into your target hardware or
another development platform. To observe each of the various FTMF demonstrations, it is necessary
to reprogram the FTMF card with the appropriate demonstration firmware. A short description of this
follows. See Chapter 5 for more information.

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Kit Operation
Figure 3-2. FTMF Expansion Card
3.2.1 CapSense Touch Sensing Demonstration (Default)
The pre-programmed CapSense touch sensing demonstration shows how to use the CapSense
touch sensing slider at the end of the board to control LED color. Run your finger across the
CapSense touch sensing slider and notice how the color of the LED changes. The CY8C21434
PSoC that resides on the FTMF expansion card detects your finger’s position on the CapSense
touch sensing slider and controls the LED’s output.
3.2.2 Temperature Sensing Demonstration
The temperature sensing demonstration shows how to use a temperature sensor to control LED
color. Touch the temperature sensor and notice how the LED color changes. Removing your finger
leads to the LED color slowly reverting back to its initial state. PSoC detects the temperature and
controls the LED’s output.
3.2.3 Light Sensing Demonstration
The light sensing demonstration shows how to use an ambient light sensor to control LED intensity.
Cover the light sensor with the palm of your hand and notice how the intensity of the LED changes.
Removing your palm leads to the LED intensity reverting back to its initial state. PSoC detects the
ambient light and controls the LED’s output.
3.2.4 CapSense Proximity Sensing Demonstration
The CapSense proximity sensing demonstration shows how to use a proximity sensor to control
LED color. The proximity detector requires a proximity antenna and can sense an object with approx-
imately 2 to 3 inches of range. In the FirstTouch Kit, this sense antenna is formed by attaching the
provided wire into the pin socket labeled PRX1 as shown in Figure 3-2.
Note how the shape and position of the wire affects the demonstration operation and the proximity
sensing distance. Approach the CapSense proximity sensor slowly with your fingers and notice how
the color of the LED changes. Removing your fingers leads to the LED color slowly reverting back to
its initial state. The CY8C21434 PSoC that resides on the FTMF expansion card detects the relative
proximity of your fingers to the FTMF expansion card and controls the LED’s output.

CY3270 PSoC® FirstTouch™ Kit Guide, Document No. 001-15945 Rev. *D 19
4. Hardware
4.1 System Block Diagram
The CY3270 PSoC 1 FTK has the following sections.
■PC bridge (FTPC bridge)
■Multifunction card
Figure 4-1. System Block Diagram for FirstTouch PC Bridge (FTPC Bridge)
USB Port
Blue LED
PSoC
CY8C24894
Programming
and Interface
Connector

20 CY3270 PSoC® FirstTouch™ Kit Guide, Document No. 001-15945 Rev. *D
Hardware
Figure 4-2. System Block Diagram for First Touch Multifunction Card
4.2 FTPC Bridge (First Touch PC Bridge)
The PC bridge consists of the CY8C24894 Hub. It contains a 16-pin connector to connect to the
MultiFunction Board for application data exchange.The FTPC Bridge is the interface bridge between
the expansion card, your PC, and the various applications.
Since the FTPC Bridge enumerates as a special type of 'composite device' that contains a PSoC
Mini-Prog interface, the standard PSoC Programmer utility can identify and communicate with the
FTPC bridge.
Universal Serial Bus (USB) is used to establish communication between the FTPC Bridge and a host
controller (usually personal computers).The FTPC Bridge acts as the interface bridge between the
expansion cards, your PC, and various applications such as PSoC Designer and the PSoC
Programmer utility. The master CY8C24894 also acts as a PSoC programmer and downloads the
firmware hex file on to the application.
The ISSP programmer programs PSoC ICs with .hex files created with the Cypress PSoC Designer
software. The programmer programs a PSoC chip mounted on your PCB, one at a time. It connects
to your PCB with a 5-wire cable and to your PC with a USB cable. Programming operation can be
automated by incorporating the programmer into a PC-based test system. The tester software
communicates with the programmer-control software through a command-line interface.
Ambient Light
Detector
Blue LED
PSoC
CY8C21434
Programming
and Interface
Connector
RGB Clusters
CapSense Slider
CapSense
Proximity Sensor
Thermistor