Cypress Universal CapSense CY3280-22x45 Manuale utente

CY3280-22x45 Universal CapSense®

Controller Development Kit Guide

Doc. # 001-51921 Rev. *H

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 CY3280-22x45 Universal CapSense® Controller Development Kit Guide, Doc. # 001-51921 Rev. *H

Copyrights

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.

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 MATE-

RIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A

PARTICULAR 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 reasonably be expected to result in significant injury to the user. The inclusion of Cypress’ product in a life-support sys-

tems application 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.

PSoC® and CapSense® are registered trademarks and PSoC Designer™, Programmable System-on-Chip™, and PSoC

Creator™ are trademarks of Cypress Semiconductor Corp. All other trademarks or registered trademarks referenced herein

are property of the respective corporations.

Flash Code Protection

Cypress products meet the specifications contained in their particular Cypress PSoC Data Sheets. Cypress believes that its

family of PSoC products is one of the most secure families of its kind on the market today, regardless of how they are used.

There may be methods, unknown to Cypress, that can breach the code protection features. Any of these methods, to our

knowledge, would be dishonest and possibly illegal. Neither Cypress nor any other semiconductor manufacturer can guaran-

tee the security of their code. Code protection does not mean that we are guaranteeing the product as "unbreakable."

Cypress is willing to work with the customer who is concerned about the integrity of their code. Code protection is constantly

evolving. We at Cypress are committed to continuously improving the code protection features of our products.

CY3280-22x45 Universal CapSense® Controller Development Kit Guide, Doc. # 001-51921 Rev. *H 3

Contents

Safety Information 5

1. Introduction 7

1.1 Kit Contents.................................................................................................................7

1.1.1 Prerequisites....................................................................................................7

1.1.2 MiniProg1 Programmer....................................................................................7

1.1.3 CY3240-I2USB Bridge.....................................................................................8

1.1.4 CY3280 Universal CapSense Module Boards.................................................8

1.2 PSoC Designer............................................................................................................8

1.3 PSoC Programmer ......................................................................................................8

1.4 Bridge Control Panel....................................................................................................8

1.5 Additional Learning Resources....................................................................................8

1.6 Documentation Conventions........................................................................................9

2. Getting Started 11

2.1 Kit Installation ............................................................................................................11

2.2 PSoC Designer..........................................................................................................16

2.3 PSoC Programmer ....................................................................................................17

3. Kit Operation 19

3.1 Introduction................................................................................................................19

3.2 CY3280-22x45 Universal CapSense Controller Board Features...............................19

3.3 Hardware Requirement..............................................................................................19

3.3.1 Connecting CapSense Module Board............................................................20

3.3.2 Test the Board................................................................................................21

3.3.3 Reset Board to Factory Settings....................................................................21

4. Hardware Design 23

4.1 System Block Diagram ..............................................................................................23

4.1.1 PSoC Power Supply.......................................................................................24

4.1.2 Dual-channel CSD Scanning .........................................................................25

4.1.3 External Crystal Oscillator of 32.768 k...........................................................25

4.2 Hardware Interface and Description ..........................................................................26

4.2.1 Connector and Hardware Descriptions .........................................................26

4.2.2 Potentiometer in Parallel with Cmod Selection Jumper (JP1, JP2) ...............26

4.2.3 PSoC VCC Selection Jumper (JP3)...............................................................26

4.2.4 XRES/INT Selection Jumper (JP4)................................................................27

4.2.5 External 9-V Battery Power Connector (BH1)................................................27

4.2.6 SPI/I2C Interface (J1).....................................................................................27

4.2.7 RS-232 Interface (J2).....................................................................................28

4.2.8 ISSP/I2CUSB Interface (J3)...........................................................................28

4.2.9 ICE Interface (J4)...........................................................................................29

4 CY3280-22x45 Universal CapSense® Controller Development Kit Guide, Doc. # 001-51921 Rev. *H

Contents

4.2.10 External Power Supply Interface (J5) ............................................................29

4.2.11 CY3280-SLM Board Connector (J6)..............................................................30

4.2.12 CapSense Plus Module Connector (J7).........................................................32

4.3 Test Point and Description .......................................................................................33

5. Code Examples 35

5.1 Create a CapSense Project Using PSoC Designer...................................................35

5.1.1 Flowchart .......................................................................................................35

5.1.2 Create New Project........................................................................................35

5.1.2.1 Add CSD2X, LED, and EzI2Cs User Module to Your Design .........37

5.1.2.2 Configure LED and EzI2Cs User Modules ......................................41

5.1.2.3 Configure Sensor CSD2X User Module ..........................................42

5.1.3 Program CY3280-22x45 Board......................................................................46

5.1.4 Test the Board................................................................................................48

5.1.5 Reading CapSense Data over I2C.................................................................48

A. Appendix 51

A.1 Schematics................................................................................................................51

A.2 Top Silk Screen.........................................................................................................52

A.3 Bill of Materials (BOM)...............................................................................................53

A.4 Regulatory Compliance Information..........................................................................54

Revision History 55

CY3280-22x45 Universal CapSense® Controller Development Kit Guide, Doc. # 001-51921 Rev. *H 5

Safety Information

Regulatory Compliance

The CY3280-22x45 is intended for use as a development platform for hardware or software in a

laboratory environment. The board is an open system design, which does not include a shielded

enclosure. This may cause interference to other electrical or electronic devices in close proximity. In

a domestic environment, this product may cause radio interference. In this case, the user may be

required to take adequate prevention measures. Also, the board should not be used near any

medical equipment or RF devices.

Attaching additional wiring to this product or modifying the product operation from the factory default

may affect its performance and cause interference with other apparatus in the immediate vicinity. If

such interference is detected, suitable mitigating measures should be taken.

The CY3280-22x45 as shipped from the factory has been verified to meet with requirements of CE

as a Class A product..

The CY3280-22x45 contains electrostatic discharge (ESD) sensitive

devices. Electrostatic charges readily accumulate on the human body

and any equipment, and can discharge without detection. Permanent

damage may occur on devices subjected to high-energy discharges.

Proper ESD precautions are recommended to avoid performance

degradation or loss of functionality. Store unused CY3280-22x45

boards in the protective shipping package.

End-of-Life / Product Recycling

This Kit has end-of life after 5 years of date of manufactured

mentioned on the back side of the Box. Please contact your nearest

recycler for dispositioning the kit.

6 CY3280-22x45 Universal CapSense® Controller Development Kit Guide, Doc. # 001-51921 Rev. *H

Safety Information

General Safety Instructions

ESD Protection

ESD can damage boards and associated components. Cypress recommends that you perform

procedures only at an ESD workstation. If one is not available, use appropriate ESD protection by

wearing an antistatic wrist strap attached to chassis ground (any unpainted metal surface) on your

board when handling parts.

Handling Boards

CY3280-22x45 boards are sensitive to ESD. Hold the board only by its edges. After removing the

board from its box, place it on a grounded, static free surface. Use a conductive foam pad if

available. Do not slide board over any surface.

CY3280-22x45 Universal CapSense® Controller Development Kit Guide, Doc. # 001-51921 Rev. *H 7

1. Introduction

Thank you for your interest in the CY3280-22x45 Universal CapSense®Controller Development Kit.

This kit showcases the features of CY8C22x45 chip. The CY8C22x45 family of PSoC®includes the

following devices: CY8C21345-24SXI, CY8C22345-24SXI, and CY8C22545-24AXI. The 56-pin on-

chip debug (OCD) part is assembled in the CY3280-22x45 Universal CapSense Controller (UCC)

board. This part is used only for in-circuit debugging.

Note OCD parts are not available for production.

The CapSense feature of CY8C22x45 can be implemented with the CY3280-SLM Universal

CapSense Linear Slider Module. The two boards are connected by a 44-pin connector. The

CapSense plus features of CY3280-22x45 can be implemented using a board designed to mate with

the 40-pin CapSense plus connector.

1.1 Kit Contents

The following items are included in the kit:

■CY3280-22x45 UCC board

■Printed documents

■CY3280-22x45 UCC DVD

■CY3240-I2USB board

■CY3217-MiniProg1 programmer

■USB A to Mini B cable

1.1.1 Prerequisites

The following are required for the functioning of the kit:

■CY3280-Universal CapSense Module board or user custom board similar to CY3280 module

boards (see 1.1.4 CY3280 Universal CapSense Module Boards)

■12 V DC adapter (optional)

■CY3215-DK (optional, required to debug programs in PSoC Designer™). For more information,

visit http://www.cypress.com/go/CY3215-DK.

1.1.2 MiniProg1 Programmer

The PSoC MiniProg1 allows you to program PSoC parts quickly and easily. It is small, compact, and

connects to your PC using the provided USB 2.0 cable. During prototyping, the MiniProg1 can be

used as an in-system serial programmer (ISSP) to program PSoC devices on your PCB.

When the MiniProg1 is connected, you can use PSoC Programmer to program. PSoC Programmer

is a free software, which can either be launched from within PSoC Designer or run as a standalone

program. For details, refer to MiniProg1's web page – http://www.cypress.com/?rID=37459.

8 CY3280-22x45 Universal CapSense® Controller Development Kit Guide, Doc. # 001-51921 Rev. *H

Introduction

1.1.3 CY3240-I2USB Bridge

The I2USB bridge allows you to test, tune, and debug hardware and software of a PSoC application

by bridging the USB port to I2C. Populated with the CY8C24894 PSoC device, the I2USB bridge can

be connected through the ISSP pins on the controller board. For details, refer to the CY3240 kit web

page – http://www.cypress.com/?rID=3421.

1.1.4 CY3280 Universal CapSense Module Boards

CY3280 Universal CapSense Module boards are available for purchase separately or as part of the

combination kits. The CY3280-22x45 Universal CapSense Controller can be connected to CY3280-

SLM, CY3280-SRM, CY3280-BMM, and CY3280-BSM CapSense boards.

1.2 PSoC Designer

PSoC Designer is the integrated development environment (IDE) used to customize your PSoC

application. More information about PSoC Designer is available in the PSoC Designer IDE Guide; go

to: <Install_directory>\PSoC Designer\<version>\Documentation. The default

<Install_directory> is "C:\Program Files\Cypress."

1.3 PSoC Programmer

PSoC Programmer offers a simple GUI to configure and program PSoC devices. For more informa-

tion about PSoC Programmer, go to the following location:

<Install_directory>\Programmer\<version>\Documents.

The default <Install_directory> is "C:\Program Files\Cypress."

1.4 Bridge Control Panel

The Bridge Control Panel GUI is used with CY3240-I2USB bridge to enable communication with I2C

slave devices; here, it is used with the CY3280-22x45 Universal CapSense Controller. This software

is used to configure I2C devices as well as acquire and process data received from I2C slave

devices. The Bridge Control Panel helps in optimizing, debugging, and tuning the target devices. For

details on using the Bridge Control Panel for CapSense debug, refer to the application note,

AN2397 or refer to the CY3240 kit documentation.

1.5 Additional Learning Resources

Visit http://www.cypress.com for additional learning resources in the form of data sheets, technical

reference manual, and application notes.

■PSoC CY8C22x45 data sheet contains pin descriptions and other specifications of CY8C22545:

http://www.cypress.com/?mpn=CY8C22545-24AXI

■PSoC CY8C22545 Technical Reference Manual: http://www.cypress.com/?rID=37728

■Schematics and Board Layouts of CY3280-22x45: http://www.cypress.com/?rID=36805

■CY3240-I2USB Bridge Guide: http://www.cypress.com/?rID=3421

■CY3280-SLM Linear Slider Module Kit: http://www.cypress.com/go/CY3280-SLM

■CY3280-SRM Radial Slider Module Kit: http://www.cypress.com/go/CY3280-SRM

■CY3280-BSM Simple Button Module Kit: http://www.cypress.com/go/CY3280-BSM

■CY3280-BMM Matrix Button Module Kit: http://www.cypress.com/go/CY3280-BMM

■MiniProg Users Guide and Code Examples: http://www.cypress.com/?rID=37459

CY3280-22x45 Universal CapSense® Controller Development Kit Guide, Doc. # 001-51921 Rev. *H 9

Introduction

■PSoC Designer Training: http://www.cypress.com/?rID=40543. This is a web-based course that

provides an overview of PSoC and its design tool.

■Getting started with CapSense: http://www.cypress.com/?rID=48787

1.6 Documentation Conventions

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 unique functionality of the product.

10 CY3280-22x45 Universal CapSense® Controller Development Kit Guide, Doc. # 001-51921 Rev. *H

Introduction

Note: Intentionally left blank.

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