Cypress CY3274 Manual de usuario

CY3274

Cypress High Voltage

Programmable Powerline Communication

Development Kit Guide

Doc. # 001-53598 Rev. *G

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 CY3274 Cypress High Voltage Programmable PLC Development Kit Guide, Doc. # 001-53598 Rev. *G

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® is a registered trademark of Cypress Semiconductor Corporation. All products and company 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 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.

CY3274 Cypress High Voltage Programmable PLC Development Kit Guide, Doc. # 001-53598 Rev. *G 3

Contents

Safety Information 5

1. Introduction 7

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

1.2 Using the PLC Kit ........................................................................................................8

1.3 The Cypress PLC Solution ..........................................................................................8

1.4 Additional Learning Resources..................................................................................10

1.5 Acronyms...................................................................................................................11

1.6 Documentation Conventions......................................................................................12

1.7 Technical Reference..................................................................................................12

1.8 Technical Support......................................................................................................12

2. Getting Started 13

2.1 Software Installation ..................................................................................................13

2.1.1 Before You Begin ...........................................................................................13

2.1.2 Prerequisites ..................................................................................................13

2.1.3 Installing PLC Control Panel Independently...................................................14

2.2 Kit Installation ............................................................................................................17

2.3 PSoC Designer ..........................................................................................................21

2.4 PSoC Programmer ....................................................................................................22

2.5 Uninstall Software......................................................................................................22

2.5.1 Uninstalling the PLC Control Panel Software.................................................22

3. Kit Operation and PLC Control Panel GUI 23

3.1 Theory of Operation...................................................................................................23

3.1.1 CY8CPLC20 Device Description....................................................................23

3.2 Functional Description ...............................................................................................25

3.2.1 Operating Conditions .....................................................................................25

3.3 PLC Control Panel GUI..............................................................................................25

3.3.1 Program CY3274 Boards with I2C-PLC Interface..........................................25

3.3.2 PLC Control Panel Quick Start.......................................................................27

3.3.3 PLC Control Panel Tabs.................................................................................30

4. PLC Development Board 41

4.1 Board Details .............................................................................................................41

4.2 CY3274 PLC Development Board Functional Overview ...........................................41

4.2.1 Operating Conditions .....................................................................................41

4.3 Hardware Description ................................................................................................42

4.3.1 Development ..................................................................................................43

4.3.2 LCD Daughter Card .......................................................................................46

4.3.3 RJ45 Connector for Debugging......................................................................47

4.3.4 RS232 COM Port ...........................................................................................47

4 CY3274 Cypress High Voltage Programmable PLC Development Kit Guide, Doc. # 001-53598 Rev. *G

Contents

4.3.5 High Voltage with Switched Mode Power Supply (SMPS)............................. 48

4.3.6 Transmit Filter, Transmit Amplifier, and Receive Filter...................................48

4.3.7 High Voltage Coupling Circuit ........................................................................49

5. Code Examples 51

5.1 Code Example ........................................................................................................... 51

5.2 PLC Demo ................................................................................................................. 51

5.2.1 Software Requirements ................................................................................. 51

5.2.2 Using the PLT User Module in an Example Project .......................................52

5.2.3 Evaluating the Example Project on Hardware ...............................................59

5.2.4 Hardware Setup.............................................................................................62

5.3 Using CY3274 with PLC Control Panel using CY3240 I2USB Bridge.......................64

5.3.1 Software Requirements ................................................................................. 65

5.3.2 PLT Configuration ..........................................................................................65

5.3.3 I2C Interface Write Packet Structure.............................................................. 67

5.3.4 I2C Interface Read Packet Structure .............................................................67

5.3.5 I2C Application...............................................................................................67

5.3.6 I2C Host Example .......................................................................................... 68

5.3.7 Evaluating the Example Project on Hardware with PLC Control Panel GUI..68

A. Appendix 69

A.1 Schematics ................................................................................................................ 69

A.1.1 Board Overview ............................................................................................. 69

A.1.2 User Interface ................................................................................................70

A.1.3 Transmit and Receive Filters and Coupling ................................................... 71

A.1.4 Power Supply................................................................................................. 72

A.2 Layout........................................................................................................................73

A.2.1 Top Layer.......................................................................................................73

A.2.2 Ground Layer.................................................................................................74

A.2.3 Power Layer................................................................................................... 75

A.2.4 Bottom Layer .................................................................................................76

A.2.5 Top Silkscreen ............................................................................................... 77

A.2.6 Bottom Silkscreen ..........................................................................................78

A.3 Bill of Materials ..........................................................................................................79

Revision History 85

CY3274 Cypress High Voltage Programmable PLC Development Kit Guide, Doc. # 001-53598 Rev. *G 5

Safety Information

The “High Voltage Programmable Power Line Communication Development Kit” CY3274 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.

6 CY3274 Cypress High Voltage Programmable PLC Development Kit Guide, Doc. # 001-53598 Rev. *G

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 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

CY3274 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.

CAUTION: High Voltage (Risk of Electric Shock)

Extreme care is necessary when you work with powerline communication

equipment.

Use caution when using power supplies or power related equipment.

Use the board with expert technical supervision. There is high voltage (110-V, 240-

V AC) power on the board.

■Accidental human contact with high voltage is dangerous.

■The capacitors on the board can be energized even after disconnecting the board

from the main power supply. Be careful not to touch any parts on the board

immediately after you disconnect the main power supply.

■Safety plastic casing is provided on the top of the high voltage section. Do not

touch the protected area during live operation for debugging, probing, or for any

other purpose.

Cypress bears no responsibility for any consequences that may result from the

improper or hazardous use of this board.

The kit CY3274 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 CY3274

boards in the protective shipping package.

End-of-Life / Product Recycling

This Kit has an end-of-life cycle after five years from the date of manufacturing

mentioned on the back side of the box. Please contact your nearest recycler for

discarding the kit.

CY3274 Cypress High Voltage Programmable PLC Development Kit Guide, Doc. # 001-53598 Rev. *G 7

1. Introduction

1.1 Kit Contents

Figure 1-1. Kit Contents

The CY3274 PLC HV development kit contains:

■CY3274 quick start guide

■CY3274 PLC HV development board

■AC power cable

■MiniProg1 to program CY8CPLC20

■25 jumper wires

■LCD module

■USB-I2C bridge

■USB A to mini B cable

■Five CY8CPLC20-28PVXI Device Samples

8 CY3274 Cypress High Voltage Programmable PLC Development Kit Guide, Doc. # 001-53598 Rev. *G

Introduction

1.2 Using the PLC Kit

Cypress’s Powerline Communication Solution (PLC) makes it possible to transmit and receive data

and control data over high voltage and low voltage powerlines. This solution is developed for low

bandwidth powerline communication.

The CY3274 PLC high voltage (HV) PLC development kit provides the capability to develop an

application on the Cypress CY8CPLC20 device that can transmit and receive data over high voltage

(110 V to 240 V AC) powerlines.

■Introduction chapter on page 7 provides a brief overview of the Cypress PLC solution. It

describes the contents of the CY3274 development kits and lists special features of the kit.

■Getting Started chapter on page 13 provides information on kit software and process for its

installation as well as hardware connections.

■PLC Development Board chapter on page 41 gives the functional overview of the PLC board and

describes the operating procedure of PLC HV board. It provides a high level hardware

description of the board.

■Code Examples chapter on page 51 provides explanation on the example projects and working.

■Appendix chapter on page 69 contains the schematics, layout, and bill of materials.

1.3 The Cypress PLC Solution

Powerlines are available everywhere in the world. This makes them one of the most widely available

communication media. The pervasiveness of powerlines also makes it difficult to predict their

characteristics and noise. Because of the variability of powerline quality, implementing robust

communication over powerline has been an engineering challenge for years. With this in mind, the

Cypress PLC solution is designed to enable secure, reliable, and robust communication over

powerlines.

The key features of the Cypress PLC solution are:

■An integrated powerline PHY modem with optimized filters and amplifiers that work with rugged

high and low voltage powerlines

■Powerline optimized network protocol that supports bidirectional communication with

acknowledgement based signaling and multiple retries

■Support for 8-bit packet CRC and 4-bit header CRC for error detection and data packet

retransmission

■Carrier Sense Multiple Access (CSMA) scheme that minimizes collisions between packet

transmissions on the powerline

CY3274 Cypress High Voltage Programmable PLC Development Kit Guide, Doc. # 001-53598 Rev. *G 9

Introduction

The Cypress PLC solution consists of three key elements as shown in Figure 1-2.

■Powerline network protocol layer

■Physical layer FSK modem

■Power amplification and coupling circuits

Figure 1-2. Cypress PLC Solution Block Diagram

The powerline network protocol layer and the physical layer FSK modem are implemented on the

CY8CPLC20 chip. The chip also contains a PSoC core in addition to the PLC core. The CY3274

board contains the CY8CPLC20 device along with the power amplification and coupling circuit for

communicating on high voltage (110-240 V AC) powerlines. For a detailed description of the design

parameters for the circuit, refer to the application note Cypress Powerline Communication Board

Design Analysis - AN55427.

The network protocol layer allows for the addressing of multiple nodes on the network. This enables

point-to-multipoint communication. The protocol layer also provides a defined packet structure for

transmitting data packets from one node to the other as well as error detection and packet retransmit

functionalities. The chip contains a PSoC core in addition to the PLC core. The PSoC core includes

configurable blocks of analog and digital logic, and programmable interconnects. This architecture

enables you to create customized peripheral configurations that match the requirements of each

individual application. A fast CPU, flash program memory, SRAM data memory, and configurable

I/Os are also included.

Powerline Communication Solution

CY8CPLC20

PLC Core

Embedded Application

PSoC Core

Powerline

Network Protocol

Physical Layer

FSK Modem

Programmable

System Resources

Digital and Analog

Peripherals

Additional System

Resources

MAC, Decimator,

I2C, SPI, UART etc.

AC Powerline Coupling Circuitry

Powerline

10 CY3274 Cypress High Voltage Programmable PLC Development Kit Guide, Doc. # 001-53598 Rev. *G

Introduction

A two-node system level diagram is shown in Figure 1-3. To evaluate this kit, follow the steps in the

quick start guide, which is provided in the kit.

Note To evaluate this kit, a second high voltage PLC kit is required. The compatible kit is CY3274,

with EZ-Color. For information on this kit, visit http://www.cypress.com/go/CY3274.

Figure 1-3. PLC System Level Block Diagram – Two Nodes

1.4 Additional Learning Resources

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

technical reference manuals, and application notes.

■CY3274 Schematic.pdf

■CY3274 Board Layout.zip

■CY3274 Kit documentation

http://www.cypress.com/go/CY3274

■For a list of PSoC Designer-related trainings, see

http://www.cypress.com/?rID=40543

■CY8CPLC20 data sheet

http://www.cypress.com/?rID=38201

■For more information regarding PSoC Designer functionality and releases, refer to the user guide

and release notes on the PSoC Designer web page:

www.cypress.com/go/psocdesigner

■For more information regarding PSoC Programmer, supported hardware, and COM layer, go to

the PSoC Programmer web page:

www.cypress.com/go/psocprogrammer

■AN54416, Using CY8CPLC20 in Powerline Communication (PLC) Applications

http://www.cypress.com/?rID=37951

Powerline Communication Solution

CY8CPLC20

PLC Core

Embedded Application

PSoC Core

Powerline

Network Protocol

Physical Layer

FSK Modem

Programmable

System Resources

Digital and Analog

Peripherals

Additional System

Resources

MAC, Decimator,

I2C, SPI, UART etc.

AC Powerline Coupling Circuitry

Powerline Communication Solution

CY8CPLC20

PLC Core

Embedded Application

PSoC Core

Powerline

Network Protocol

Physical Layer

FSK Modem

Programmable

System Resources

Digital and Analog

Peripherals

Additional System

Resources

MAC, Decimator,

I2C, SPI, UART etc.

AC Powerline Coupling Circuitry

Powerline

Local Node Remote Node

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