Cypress Cy8ckit-030 User manual

CY8CKIT-030

PSoC®3 Development Kit Guide

Doc. # 001-61038 Rev. *J

Cypress Semiconductor

198 Champion Court

San Jose, CA 95134-1709

Phone (USA): 800.858.1810

Phone (Intnl): 408.943.2600

http://www.cypress.com

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Copyrights

CY8CKIT-030 PSoC® 3 Development Kit Guide, Doc. # 001-61038 Rev. *J 2

Copyrights

Corporation and its subsidiaries, including Spansion LLC ("Cypress"). This document, including any software or

firmware included or referenced in this document ("Software"), is owned by Cypress under the intellectual prop-

erty laws and treaties of the United States and other countries worldwide. Cypress reserves all rights under

such laws and treaties and does not, except as specifically stated in this paragraph, grant any license under its

patents, copyrights, trademarks, or other intellectual property rights. If the Software is not accompanied by a

license agreement and you do not otherwise have a written agreement with Cypress governing the use of the

Software, then Cypress hereby grants you a personal, non-exclusive, nontransferable license (without the right

to sublicense) (1) under its copyright rights in the Software (a) for Software provided in source code form, to

modify and reproduce the Software solely for use with Cypress hardware products, only internally within your

organization, and (b) to distribute the Software in binary code form externally to end users (either directly or indi-

rectly through resellers and distributors), solely for use on Cypress hardware product units, and (2) under those

claims of Cypress's patents that are infringed by the Software (as provided by Cypress, unmodified) to make,

use, distribute, and import the Software solely for use with Cypress hardware products. Any other use, repro-

duction, modification, translation, or compilation of the Software is prohibited.

TO THE EXTENT PERMITTED BY APPLICABLE LAW, CYPRESS MAKES NO WARRANTY OF ANY KIND,

EXPRESS OR IMPLIED, WITH REGARD TO THIS DOCUMENT OR ANY SOFTWARE OR ACCOMPANYING

HARDWARE, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY

AND FITNESS FOR A PARTICULAR PURPOSE. To the extent permitted by applicable law, Cypress reserves

the right to make changes to this document without further notice. Cypress does not assume any liability arising

out of the application or use of any product or circuit described in this document. Any information provided in

this document, including any sample design information or programming code, is provided only for reference

purposes. It is the responsibility of the user of this document to properly design, program, and test the function-

ality and safety of any application made of this information and any resulting product. Cypress products are not

designed, intended, or authorized for use as critical components in systems designed or intended for the opera-

tion of weapons, weapons systems, nuclear installations, life-support devices or systems, other medical devices

or systems (including resuscitation equipment and surgical implants), pollution control or hazardous substances

management, or other uses where the failure of the device or system could cause personal injury, death, or

property damage ("Unintended Uses"). A critical component is any component of a device or system whose fail-

ure to perform can be reasonably expected to cause the failure of the device or system, or to affect its safety or

effectiveness. Cypress is not liable, in whole or in part, and you shall and hereby do release Cypress from any

claim, damage, or other liability arising from or related to all Unintended Uses of Cypress products. You shall

indemnify and hold Cypress harmless from and against all claims, costs, damages, and other liabilities, includ-

ing claims for personal injury or death, arising from or related to any Unintended Uses of Cypress products.

Cypress, the Cypress logo, Spansion, the Spansion logo, and combinations thereof, PSoC, CapSense, EZ-

USB, F-RAM, and Traveo are trademarks or registered trademarks of Cypress in the United States and other

countries. For a more complete list of Cypress trademarks, visit cypress.com. Other names and brands may be

claimed as property of their respective owners.

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Contents

1. Introduction 5

1.1 Kit Contents.................................................................................................................5

1.2 PSoC Creator ..............................................................................................................5

1.3 Additional Learning Resources....................................................................................6

1.3.1 Beginner Resources.........................................................................................6

1.3.2 Engineers Looking for More.............................................................................6

1.3.3 Learning from Peers.........................................................................................6

1.3.4 More Code Examples.......................................................................................6

1.4 Documentation Conventions........................................................................................8

2. Getting Started 9

2.1 DVD Installation...........................................................................................................9

2.2 Install Hardware.........................................................................................................10

2.3 Install Software ..........................................................................................................10

2.4 Uninstall Software......................................................................................................10

2.5 Verify Kit Version.......................................................................................................10

3. Kit Operation 11

3.1 Programming PSoC 3 Device....................................................................................11

4. Hardware 14

4.1 System Block Diagram ..............................................................................................14

4.2 Functional Description ...............................................................................................15

4.2.1 Power Supply.................................................................................................15

4.2.1.1 Power Supply Jumper Settings........................................................17

4.2.1.2 Grounding Scheme..........................................................................17

4.2.1.3 Low-Power Functionality..................................................................18

4.2.2 Programming Interface...................................................................................18

4.2.2.1 Onboard Programming Interface .....................................................18

4.2.2.2 JTAG/SWD Programming................................................................19

4.2.3 USB Communication......................................................................................20

4.2.4 Boost Convertor.............................................................................................21

4.2.5 32-kHz and 24-MHz Crystal...........................................................................22

4.2.6 Protection Circuit............................................................................................22

4.2.6.1 Functional Description .....................................................................23

4.2.7 PSoC 3 Development Kit Expansion Ports....................................................24

4.2.7.1 Port D...............................................................................................24

4.2.7.2 Port E...............................................................................................26

4.2.8 RS-232 Interface............................................................................................27

4.2.9 Prototyping Area ............................................................................................27

4.2.10 Character LCD...............................................................................................28

4.2.11 CapSense Sensors........................................................................................29

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Contents

5. Code Examples 30

5.1 Introduction................................................................................................................30

5.1.1 Programming the Code Examples.................................................................30

5.2 VoltageDisplay...........................................................................................................31

5.2.1 Project Description.........................................................................................31

5.2.2 Hardware Connections...................................................................................31

5.2.3 DelSig ADC Configuration..............................................................................31

5.2.4 Verify Output ..................................................................................................32

5.3 IntensityLED ..............................................................................................................33

5.3.1 Project Description.........................................................................................33

5.3.2 Hardware Connections...................................................................................33

5.3.3 Verify Output ..................................................................................................33

5.4 LowPowerDemo ........................................................................................................34

5.4.1 Project Description.........................................................................................34

5.4.2 Hardware Connections...................................................................................34

5.4.3 Verify Output ..................................................................................................34

5.5 CapSense Example...................................................................................................35

5.5.1 Project Description.........................................................................................35

5.5.2 Hardware Connections...................................................................................35

5.5.3 Verify Output ..................................................................................................35

5.6 ADC_DAC Example...................................................................................................37

5.6.1 Project Description.........................................................................................37

5.6.2 Hardware Connections...................................................................................37

5.6.3 Verify Output ..................................................................................................37

A. Appendix 38

A.1 Schematics ................................................................................................................38

A.2 Board Layout .............................................................................................................43

A.2.1 PDC-09589 Top.............................................................................................43

A.2.2 PDC-09589 Power.........................................................................................44

A.2.3 PDC-09589 Ground .......................................................................................45

A.2.4 PDC-09589 Bottom........................................................................................46

A.3 Bill of Materials (BOM)...............................................................................................47

A.4 Pin Assignment Table................................................................................................52

A.5 Using RBLEED Resistor for CapSense.....................................................................56

Revision History 57

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1. Introduction

Thank you for your interest in the CY8CKIT-030 PSoC®3 Development Kit. This kit allows you to

develop precision analog and low-power designs using PSoC 3. You can design your own projects

with PSoC Creator™ or alter the sample projects provided with this kit.

The CY8CKIT-030 PSoC 3 Development Kit is based on the PSoC 3 family of devices. PSoC 3 is a

Programmable System-on-Chip™ platform for 8-bit and 16-bit applications. It combines precision

analog and digital logic with a high-performance CPU. With PSoC, you can create the exact

combination of peripherals and integrated proprietary IP to meet your application requirements.

1.1 Kit Contents

The PSoC 3 Development Kit contains:

■Development board

■Kit DVD

■Quick start guide

■USB A to mini-B cable

■3.3-V LCD module

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

for help.

1.2 PSoC Creator

Cypress's PSoC Creator software is a state-of-the-art, easy-to-use integrated development

environment (IDE) that introduces a hardware and software design environment based on classic

schematic entry and revolutionary embedded design methodology.

With PSoC Creator, you can:

■Create and share user-defined, custom peripherals using hierarchical schematic design.

■Automatically place and route select components and integrate simple glue logic, normally

located in discrete muxes.

■Trade off hardware and software design considerations allowing you to focus on what matters

and getting to market faster.

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

chains, RTOS solutions, and production programmers to support both PSoC 3 and PSoC 5LP.

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CY8CKIT-030 PSoC® 3 Development Kit Guide, Doc. # 001-61038 Rev. *J 6

Introduction

1.3 Additional Learning Resources

Visit http://www.cypress.com for additional learning resources in the form of datasheets, application

notes, and technical reference manual.

1.3.1 Beginner Resources

AN54181 - Getting Started with PSoC® 3

PSoC Creator Training

1.3.2 Engineers Looking for More

AN54460 - PSoC 3®, PSoC 4, and PSoC 5LP Interrupts

AN52705 - PSoC 3® and PSoC 5LP - Getting Started with DMA

AN52701 - PSoC 3® and PSoC 5LP - Getting Started with Controller Area Network (CAN)

AN54439 - PSoC 3® and PSoC 5LP External Crystal Oscillators

AN52927 - PSoC 3® and PSoC 5LP - Segment LCD Direct Drive

Cypress continually strives to provide the best support. Click here to view a growing list of

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

1.3.3 Learning from Peers

Cypress Developer Community Forums

1.3.4 More Code Examples

PSoC Creator provides several example projects that make code development fast and easy. To

access these example projects, click on Find Example Project… under the Example and Kits sec-

tion in the Start Page of PSoC Creator or navigate to File > Open > Example Project….

Figure 1-1. Find Example Project

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Introduction

The Find Example Project section has various filters that help you locate the most relevant project.

PSoC Creator provides several starter designs. These designs highlight features that are unique to

PSoC devices. They allow you to create a design with various components, instead of creating an

empty design; the code is also provided. To use a starter design for your project, navigate to File >

New > Project and select the design required.

Figure 1-2. New Project

The starter designs and the example project contain a PDF within the project that explains the fea-

tures of the project and its configuration.

Figure 1-3. Project PDF Location

The example projects and starter designs are designed for the CY8CKIT-001 PSoC Development

Kit. However, these projects can be converted for use with the CY8CKIT-030 PSoC 3 Development

Kit or CY8CKIT-050 PSoC 5 Development Kit by following the procedure in the knowledge base arti-

cle Migrating Project from CY8CKIT-001 to CY8CKIT-030 or CY8CKIT-050.

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Introduction

1.4 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.

CY8CKIT-030 PSoC® 3 Development Kit Guide, Doc. # 001-61038 Rev. *J 9

2. Getting Started

This chapter describes how to install and configure the PSoC 3 Development Kit. The Kit

Operation chapter on page 11 explains how to program a PSoC 3 device with PSoC Programmer

and use the kit with the help of a code example. To reprogram the PSoC device with PSoC Creator,

see the installation instructions for PSoC Creator. The Hardware chapter on page 14 details the

hardware operation. The Code Examples chapter on page 30 provides instructions to create a

simple code example. The Appendix section provides the Schematics, Board Layout, Bill of

Materials (BOM) and other useful information regarding the PSoC 3 Development Kit.

2.1 DVD Installation

Follow these steps to install the PSoC 3 Development Kit software:

1. Insert the kit DVD into the DVD drive of your PC. The DVD is designed to auto-run and the kit

menu appears.

Figure 2-1. Kit Menu

Note If auto-run does not execute, double-click cyautorun.exe on the root directory of the DVD.

CY8CKIT-030 PSoC® 3 Development Kit Guide, Doc. # 001-61038 Rev. *J 10

Getting Started

After the installation is complete, the kit contents are available at the following location:

<Install_Directory>\Cypress\PSoC 3 Development Kit\<version>

2.2 Install Hardware

No hardware installation is required for this kit.

2.3 Install Software

When installing the PSoC 3 Development Kit, the installer checks if your system has the required

software. These include PSoC Creator, PSoC Programmer, Windows Installer, .NET, and Keil Com-

plier. If these applications are not installed, the installer installs them in your PC before installing the

kit. If the Acrobat Reader application is not installed in your PC, then the installer provides the link to

install the same; this does not prevent kit installation. Note that Acrobat Reader is required to view

the kit documents. Install the following software from the kit DVD:

■PSoC Creator 3.0 or later

■PSoC Programmer 3.19.1 or later

Note When installing PSoC Programmer, select Typical on the Installation Type page.

■Code examples (provided in the Firmware folder)

Important for Win7 and Vista Users: Rename the _tools.ini file in <Install_Directory>:\

PSoC Creator\<version>\PSoC Creator\import\keil\pk51\<version> to tools.ini for

the Keil registration to be successful.

2.4 Uninstall Software

The software can be uninstalled using one of the following methods:

■Go to Start > Control Panel > Programs > Uninstall a program; select the Uninstall button in

Windows 7.

■Go to Start > All Programs > Cypress > Cypress Update Manager > Cypress Update Man-

ager; select the Uninstall button next to the software to be uninstalled.

■Insert the installation DVD and click Install PSoC 3 Development Kit button. In the CyInstaller

for PSoC 3 Development Kit 1.0 window, select Remove from the Installation Type drop-down

menu. Follow the instructions to uninstall.

2.5 Verify Kit Version

To know the kit revision, look for the white sticker on the bottom left, on the reverse of the kit box. If

the revision reads CY8CKIT-030A, then, you own the latest version.

To upgrade CY8CKIT-030 to CY8CKIT-030A, you can purchase our latest kits at:

http://www.cypress.com/go/CY8CKIT-030

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3. Kit Operation

The code examples in the PSoC 3 Development Kit help you develop precision analog applications

using the PSoC 3 family of devices. The board also has hooks to enable low-power measurements

for low-power application development and evaluation.

3.1 Programming PSoC 3 Device

The default programming interface for the board is a USB-based onboard programming interface. To

program the device, plug the USB cable to the programming USB connector J1, as shown in

Figure 3-1.

Figure 3-1. Connect USB Cable to J1

When plugged in, the board enumerates as DVKProg (unconfigured). The DVKProg is configured

after opening either the PSoC Creator or PSoC Programmer application. If either of these

applications are opened before connecting the DVK to the PC, the DVKProg configuration happens

instantaneously.

After enumeration, initiate a build of the code example and program using PSoC Creator.

When using onboard programming, it is not necessary to power the board from the 12-V or 9-V DC

supply or a battery. You can use the USB power to the programming section.

If the board is already powered from another source, plugging in the programming USB does not

damage the board.

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Kit Operation

The PSoC 3 device on the board can also be programmed using a MiniProg3 (CY8CKIT-002). To

use MiniProg3 for programming, use the connector J3 on the board, as shown in Figure 3-2.

Note The MiniProg3 (CY8CKIT-002) is not part of the PSoC 3 Development Kit contents. It can be

purchased from the Cypress Online Store.

Figure 3-2. Connect MiniProg3

With the MiniProg3, programming is similar to the onboard programmer; however, the setup

enumerates as a MiniProg3.

The Select Debug Target window may be displayed, as shown in Figure 3-3.

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Kit Operation

Figure 3-3. Select Debug Target Window

Click Port Acquire. The window appears as follows. Click Connect to start programming.

Figure 3-4. Port Acquire > Connect

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4. Hardware

4.1 System Block Diagram

The PSoC 3 Development Kit has the following sections:

■Power supply system

■Programming interface

■USB communications

■Boost convertor

■PSoC 3 and related circuitry

■32-kHz crystal

■24-MHz crystal

■Port E (analog performance port) and port D (CapSense® or generic port)

■RS-232 communications interface

■Prototyping area

■Character LCD interface

■CapSense buttons and sliders

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Hardware

Figure 4-1. PSoC 3 Development Kit Details

4.2 Functional Description

4.2.1 Power Supply

The power supply system on this board is versatile; input supply can be from the following sources:

■9-V or 12-V wall wart supply using connector J4

■9-V battery connector using connectors BH1 and BH2

■USB power from communications section using connector J2

■USB power from the onboard programming section using connector J1

■Power from JTAG/SWD programming interface using connector J3

■Power through boost convertor that uses the input test points VBAT and GND

Power Adapter 9-V Battery Boost Converter

Input

Communication USB

10-Pin JTAG/SWD/SWO

Debug and Prog Header

On-board

Programming

USB

24-MHz Crystal

Port D

(CapSense/

Miscellaneous

Port)

32-kHz Crystal

Port E

(Analog Port)

Variable

Resistor/

Potentiometer

RS-232

Interface

Character LCD Interface Switches/LEDs Prototyping Area (Contact points in

a row are electrically connected.

Rows on the left and right of the

notch are isolated)

CapSense

Reset Button

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Hardware

The board power domain has five rails:

■Vin rail: This is where the input of the onboard regulators are connected. This domain is powered

through protection diodes.

■5-V rail: This is the output of the 5-V regulator U2. The rail has a fixed 5-V output regardless of

jumper settings. The voltage in this rail can be less than 5 V only when the board is powered by

the USB. This 5-V rail powers the circuits that require fixed 5-V supply.

■3.3-V rail: This is the output of the 3.3-V regulator U4. This rail remains 3.3 V regardless of

jumper settings or power source changes. It powers the circuits requiring fixed 3.3-V supply such

as the onboard programming section.

■Vddd rail: This rail provides power to the digital supply for the PSoC device. It can be derived

from either the 5-V or 3.3-V rail. The selection is made using J10 (3-pin jumper).

■Vdda rail: This rail provides power to the analog supply of the PSoC device. It is the output of a

low-noise regulator U1. The regulator is a variable output voltage and can be either 3.3 V or 5 V.

This is done by changing the position on J11 (3-pin jumper).

The following block diagram shows the structure of the power system on the board.

Figure 4-2. Power System Structure

3.3-V Regulator

5-V Regulator

5-V/3.3-V Analog

Regulator

USB

Communication

Power

9-V Battery

12-V/9-V Wall

wart

Vin

Vddd

Selection

(J10)

Vdda

Selection

(J11)

3.3 V

Vddd

5 V

Vdda

USB

Programming 5 V

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Hardware

4.2.1.1 Power Supply Jumper Settings

Figure 4-3. Jumper Settings

Two jumpers govern the power rails on the board. J10 is responsible for the selection of Vddd (digital

power) and J11 selects Vdda (analog power).

The jumper settings for each power scheme are as follows.

Warning

■Ensure that the Vdda is always higher than Vddd–J11 should not be set to 3.3-V position when

J10 is at 5-V position.

■The power supply of the I/Os, Vddio, is connected to Vddd. Therefore, any input voltage to the

PSoC I/Os must not exceed the Vddd.

■When USB power is used, ensure a 3.3-V setting on both J10 and J11. This is because the 5-V

rail of the USB power is not accurate and is not recommended. If you require 5-V operation, it is

recommended to use an external power supply adapter or a 9-V battery

4.2.1.2 Grounding Scheme

The board design considers analog designs as major target applications. Therefore, the grounding

scheme in the board is unique to ensure precision analog performance.

The board has three types of ground:

■GND - This is the universal ground where all the regulators are referred. Both Vssd and Vssa

connect to this ground through a star connection.

■Vssd - This is the digital ground and covers the digital circuitry on the board, such as RS-232 and

LCD.

■Vssa - This is the analog ground and covers the grounding for analog circuitry present on the

board, such as the reference block.

When creating custom circuitry in the prototyping area provided on the board, remember to use the

Vssa for the sensitive analog circuits and Vssd for the digital ones.

Powering Scheme Jumper Settings

Vdda = 5 V, Vddd = 5 V J10 in 5-V setting and J11 in 5-V setting.

Vdda = 3.3 V, Vddd = 3.3 V J10 in 3.3-V setting and J11 in 3.3-V setting.

Vdda = 5 V, Vddd = 3.3 V J10 in 3.3-V setting and J11 in 5-V setting.

Vdda = 3.3 V, Vddd = 5 V Can be achieved, but is an invalid condition because the PSoC 3 silicon

performance cannot be guaranteed.

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Hardware

Port E on the board is the designated analog expansion connector. This connector brings out

ports 0, 3, and 4, which are the best performing analog ports on PSoC 3 and PSoC 5 devices. Port E

has two types of grounds. One is the analog ground (GND_A in the silkscreen, Vssa in the

schematic), which connects directly to the analog ground on the board. The other ground, known as

GND, is used for the digital and high-current circuitry on the expansion board. This differentiation on

the connector grounds helps the expansion board designer to separate the analog and digital ground

on any high-precision analog boards being designed for port E.

4.2.1.3 Low-Power Functionality

The kit also facilitates application development, which requires low power consumption. Low-power

functions require a power measurement capability, also available in this kit.

The analog supply is connected to the device through the 0-resistor (R23). By removing this

resistor and connecting an ammeter in series using the test points, Vdda_p and Vdda, you can

measure the analog power used by the system.

The digital supply can be monitored by removing the connection on jumper J10 and connecting an

ammeter in place of the short. This allows to measure the digital power used by the system.

The board provides the ability to measure analog and digital power separately. To measure power at

a single point, rather than at analog and digital separately, remove resistor R23 to disconnect the

analog regulator from powering the Vdda and short Vdda and Vddd through R30. The net power can

now be measured at jumper J10 similar to the digital power measurement. To switch repeatedly

between R23 and R30, moving around the 0-resistors can be discomforting. Hence, a J38

(unpopulated) is provided to populate a male 3-pin header and have a shorting jumper in the place of

R23/R30.

While measuring device power, make the following changes in the board to avoid leakage through

other components that are connected to the device power rails.

■Disconnect the RS-232 power by disconnecting R58. An additional jumper capability is available

as J37 if you populate it with a 2-pin male header.

■Disconnect the potentiometer by disconnecting J30.

■Ground the boost pins if boost operation is not used by populating R1, R28, and R29. Also, make

sure R25 and R31 are not populated.

4.2.2 Programming Interface

This kit allows programming in two modes:

■Using the onboard programming interface

■Using the JTAG/SWD programming interface with a MiniProg3

4.2.2.1 Onboard Programming Interface

The onboard programmer interfaces with your PC through a USB connector, as shown in Figure 4-4.

CY8CKIT-030 PSoC® 3 Development Kit Guide, Doc. # 001-61038 Rev. *J 19

Hardware

Figure 4-4. Onboard Programming Interface

When the USB programming is plugged into the PC, it enumerates as DVKProg and you can use the

normal programming interface from PSoC Creator to program this board through the onboard

programmer. Pins P1[0] and P1[1] are connected to the onboard programmer. If you are using the

onboard programmer, these pins should not be used for any other function.

A 0-resistor R9 is provided on the board to disconnect power to the onboard programmer.

4.2.2.2 JTAG/SWD Programming

Apart from the onboard programming interface, the board also provides the option of using the

MiniProg3. This interface is much faster than the onboard program interface. The JTAG/SWD

programming is done through the 10-pin connector, J3.

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Hardware

Figure 4-5. JTAG/SWD Programming

The JTAG/SWD programming using J3 requires the MiniProg3 programmer, which can be

purchased from http://www.cypress.com/go/CY8CKIT-002.

4.2.3 USB Communication

The board has a USB communications interface that uses the connector, as shown in Figure 4-6.

The USB connector connects to the D+ and D– lines on the PSoC to enable development of USB

applications using the board. This USB interface can also supply power to the board, as discussed in

Power Supply on page 15.

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