Cypress PSoC 4 Manual de usuario

CY8CKIT-042

PSoC®4 Pioneer Kit Guide

Doc. # 001-86371 Rev. *D

Cypress Semiconductor

198 Champion Court

San Jose, CA 95134-1709

Phone (USA): 800.858.1810

Phone (Intnl): +1.408.943.2600

http://www.cypress.com

2 CY8CKIT-042 PSoC 4 Pioneer Kit Guide, Doc. # 001-86371 Rev. *D

Copyrights

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 of Cypress Semiconductor Corporation. PSoC Designer, PSoC Creator,

SmartSense, and CapSense Express are trademarks of Cypress Semiconductor Corporation. All other products and com-

pany names mentioned in this document may be the trademarks of their respective holders.

Purchase of I2C components from Cypress or one of its sublicensed Associated Companies conveys a license under the

Philips I2C Patent Rights to use these components in an I2C system, provided that the system conforms to the I2C Standard

Specification as defined by Philips. As from October 1st, 2006 Philips Semiconductors has a new trade name - NXP Semicon-

ductors.

Flash Code Protection

Cypress products meet the specifications contained in their particular Cypress Datasheets. Cypress believes that its family of

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 guarantee 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.

CY8CKIT-042 PSoC 4 Pioneer Kit Guide, Doc. # 001-86371 Rev. *D 3

Contents

Safety Information 5

1. Introduction 7

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

1.2 PSoC Creator™...........................................................................................................9

1.3 Getting Started.............................................................................................................9

1.4 Additional Learning Resources....................................................................................9

1.5 Technical Support........................................................................................................9

1.6 Document Revision History ......................................................................................10

1.7 Documentation Conventions .....................................................................................10

2. Software Installation 11

2.1 Install Kit Software.....................................................................................................11

2.2 Install Hardware.........................................................................................................12

2.3 Install Software ..........................................................................................................12

2.4 Uninstall Software......................................................................................................13

2.5 Develop Code Fast and Easy with Code Examples ..................................................13

2.6 Open an Example Project in PSoC Creator...............................................................15

3. Kit Operation 17

3.1 Pioneer Kit USB Connection......................................................................................18

3.2 Programming and Debugging PSoC 4 ......................................................................19

3.2.1 Using the Onboard PSoC 5LP Programmer and Debugger ..........................19

3.2.2 Using CY8CKIT-002 MiniProg3 Programmer and Debugger.........................21

3.3 USB-UART Bridge.....................................................................................................22

3.4 USB-I2C Bridge.........................................................................................................24

3.5 Updating the Onboard Programmer Firmware ..........................................................25

4. Hardware 27

4.1 Board Details .............................................................................................................27

4.2 Theory of Operation...................................................................................................29

4.3 Functional Description ...............................................................................................30

4.3.1 PSoC 4...........................................................................................................30

4.3.2 PSoC 5LP ......................................................................................................31

4.3.3 Power Supply System....................................................................................33

4.3.4 Programming Interface...................................................................................35

4.3.5 Arduino Compatible Headers (J1, J2, J3, J4, and J12 - unpopulated)...........36

4.3.6 Digilent Pmod Compatible Header (J5 - unpopulated)...................................38

4.3.7 PSoC 5LP GPIO Header (J8) ........................................................................39

4.3.8 CapSense Slider............................................................................................40

4.3.9 Pioneer Board LEDs ......................................................................................41

4.3.10 Push Buttons..................................................................................................42

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Contents

5. Code Examples 43

5.1 Project: Blinking LED.................................................................................................46

5.1.1 Project Description.........................................................................................46

5.1.2 Hardware Connections ..................................................................................46

5.1.3 Flow Chart .....................................................................................................47

5.1.4 Verify Output..................................................................................................47

5.2 Project: PWM.............................................................................................................49

5.2.1 Project Description.........................................................................................49

5.2.2 Hardware Connections ..................................................................................49

5.2.3 Flow Chart .....................................................................................................50

5.2.4 Verify Output..................................................................................................51

5.3 Project: Deep Sleep...................................................................................................51

5.3.1 Project Description.........................................................................................51

5.3.2 Hardware Connections ..................................................................................51

5.3.3 Flow Chart .....................................................................................................52

5.3.4 Verify Output..................................................................................................53

5.4 Project: CapSense.....................................................................................................53

5.4.1 CapSense (Without Tuning)...........................................................................53

5.4.2 CapSense (With Tuning)................................................................................55

6. Advanced Topics 63

6.1 Using PSoC 5LP as USB-UART Bridge....................................................................63

6.2 Using PSoC 5LP as USB-I2C Bridge........................................................................76

6.3 Developing Applications for PSoC 5LP.....................................................................84

6.3.1 Building a Bootloadable Project for PSoC 5LP..............................................84

6.3.2 Building a Normal Project for PSoC 5LP .......................................................92

6.4 PSoC 5LP Factory Program Restore Instructions.....................................................93

6.4.1 PSoC 5LP is Programmed with a Bootloadable Application..........................93

6.4.2 PSoC 5LP is Programmed with a Standard Application ................................98

A. Appendix 101

A.1 CY8CKIT-042 Schematics.......................................................................................101

A.2 Pin Assignment Table..............................................................................................104

A.3 Program and Debug Headers..................................................................................106

A.4 Use of Zero-ohm Resistors and No Load................................................................107

A.5 Error in Firmware/Status Indication in Status LED..................................................107

A.6 Bill of Materials (BOM).............................................................................................108

A.7 Regulatory Compliance Information........................................................................110

CY8CKIT-042 PSoC 4 Pioneer Kit Guide, Doc. # 001-86371 Rev. *D 5

Safety Information

Regulatory Compliance

The CY8CKIT-042 PSoC®4 Pioneer Kit 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. Due to this reason, the board may cause interference to other

electrical or electronic devices in close proximity. In a domestic environment, this product may cause

radio interference. In such cases, the user may be required to take adequate preventive measures.

Also, this 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 CY8CKIT-042 as shipped from the factory has been verified to meet with requirements of CE as

a Class A product.

The CY8CKIT-042 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 CY8CKIT-042

boards in the protective shipping package.

End-of-Life/Product Recycling

This kit has an end-of-life cycle five years from the date of

manufacturing mentioned on the back of the box. Contact your nearest

recycler for discarding the kit.

6 CY8CKIT-042 PSoC 4 Pioneer Kit Guide, Doc. # 001-86371 Rev. *D

Safety Information

General Safety Instructions

ESD Protection

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

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

protection by wearing an antistatic wrist strap attached to the chassis ground (any unpainted metal

surface) on the board when handling parts.

Handling Boards

CY8CKIT-042 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.

CY8CKIT-042 PSoC 4 Pioneer Kit Guide, Doc. # 001-86371 Rev. *D 7

1. Introduction

Thank you for your interest in the PSoC®4 Pioneer Kit. The kit is designed as an easy-to-use and

inexpensive development kit, showcasing the unique flexibility of the PSoC 4 architecture. Designed

for flexibility, this kit offers footprint-compatibility with several third-party Arduino™ shields. This kit

has a provision to populate an extra header to support Digilent®Pmod™ peripheral modules. In

addition, the board features a CapSense®slider, an RGB LED, a push button switch, an integrated

USB programmer, a program and debug header, and USB-UART/I2C bridges. This kit supports

either 5 V or 3.3 V as power supply voltages.

The PSoC 4 Pioneer Kit is based on the PSoC 4200 device family, delivering a programmable

platform for a wide range of embedded applications. The PSoC 4 is a scalable and reconfigurable

platform architecture for a family of mixed-signal programmable embedded system controllers with

an ARM®Cortex™-M0 CPU. It combines programmable and reconfigurable analog and digital

blocks with flexible automatic routing.

1.1 Kit Contents

The PSoC 4 Pioneer kit contains:

■PSoC 4 Pioneer board

■Quick start guide

■USB standard A to mini-B cable

■Jumper wires

8 CY8CKIT-042 PSoC 4 Pioneer Kit Guide, Doc. # 001-86371 Rev. *D

Introduction

Figure 1-1. Kit Contents

Inspect the contents of the kit; if you find any part missing, contact your nearest Cypress sales office

for help: www.cypress.com/go/support.

CY8CKIT-042 PSoC 4 Pioneer Kit Guide, Doc. # 001-86371 Rev. *D 9

Introduction

1.2 PSoC Creator™

PSoC Creator is a state-of-the-art, easy-to-use integrated design environment (IDE). It introduces

revolutionary hardware and software co-design, powered by a library of pre-verified and pre-

characterized PSoC Components™.

With PSoC Creator, you can:

■Drag and drop PSoC components to build a schematic of your custom design

■Automatically place and route components and configure GPIOs

■Develop and debug firmware using the included component APIs

PSoC Creator also enables you to tap into an entire tools ecosystem with integrated compiler chains

and production programmers for PSoC devices.

For more information, visit www.cypress.com/Creator.

1.3 Getting Started

This guide helps you to get acquainted with the PSoC 4 Pioneer Kit. The Software Installation

chapter on page 11 describes the installation of the kit software. The Kit Operation chapter on

page 17 explains how to program the PSoC 4 with a programmer and debugger – either the onboard

PSoC 5LP or the external MiniProg3 (CY8CKIT-002). The Hardware chapter on page 27 details the

hardware operation. The Code Examples chapter on page 43 describes the code examples. The

Advanced Topics chapter on page 63 deals with topics such as building projects for PSoC 5LP, USB-

UART functionality, and USB-I2C functionality of PSoC 5LP. The Appendix on page 101 provides the

schematics, pin assignment, use of zero-ohm resistors, troubleshooting, and the bill of materials

(BOM).

1.4 Additional Learning Resources

Visit www.cypress.com/PSoC4 for additional learning resources in the form of datasheets, technical

reference manual, and application notes.

■Beginner resources – PSoC Creator Training: www.cypress.com/go/creatorstart/creatortraining

■Engineers looking for more – Visit www.cypress.com/appnotes to view a growing list of applica-

tion notes for PSoC 3, PSoC 4, and PSoC 5LP.

■Learning from peers – Cypress Developer Community Forums: www.cypress.com/forums

1.5 Technical Support

For assistance, go to our support web page, www.cypress.com/support, or contact our customer

support at +1 (800) 541-4736 Ext. 8 (in the USA) or +1 (408) 943-2600 Ext. 8 (International).

10 CY8CKIT-042 PSoC 4 Pioneer Kit Guide, Doc. # 001-86371 Rev. *D

Introduction

1.6 Document Revision History

1.7 Documentation Conventions

Table 1-1. Revision History

Revision Issue Date Origin of

Change Description of Change

** 04/23/2013 ANCY Initial version of kit guide.

*A 04/25/2013 ANCY Minor changes across the guide.

*B 05/23/2013 RKAD Updated Figure 1-1 and minor changes across the guide.

Added PSoC 5LP Factory Program Restore Instructions on page 93.

*C 08/23/2013 SASH Updated Figure 5-2 and Figure 5-3. Minor changes across the guide.

*D 11/26/2013 SASH Updated PSoC Creator training web link.

Updated PSoC Creator images; added figure captions.

Modified the CapSense code example.

Table 1-2. 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.

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