Cypress公司的CY3275是采用CY8CPLC20 PSoC的可編程低壓動力線通信開發(fā)套件,用于低帶寬的動力線通信.CY3275能進(jìn)行系統(tǒng)設(shè)計,在低壓(12-24V AC/DC)動力線上發(fā)送數(shù)據(jù)高達(dá)2400 bps.本文介紹了CY8CPLC20主要特性,PSoC核方框圖,PLC 解決方案框圖,兩個節(jié)點的PLC 系統(tǒng)級方框圖以及CY3275可編低壓PLC開發(fā)套件主要特性,電路圖,材料廠清單和PCB元件布局圖.

CY8CPLC20: Powerline Communication Solution

The CY8CPLC20 is an integrated powerline communication (PLC) chip with the powerline modem PHY and network protocol stack running on the same device. Apart from the PLC core, the CY8CPLC20 also offers Cypress’s revolutionary PSoC technology that enables system designers to integrate multiple functions on the same chip.

CY8CPLC20主要特性:

■ Powerline communication solution

? Integrated powerline modem PHY

? Frequency shift keying modulation

? Configurable baud rates up to 2400 bps

? Powerline optimized network protocol

? Integrates data link, transport, and network layers

? Supports bidirectional half duplex communication

? 8-bit CRC error detection to minimize data loss

? I2C enabled powerline application layer

? Supports I2C frequencies of 50, 100, and 400 kHz

? Reference designs for 110 V/240 V AC and 12 V/24 V AC/DC Powerlines

? Reference designs comply with CENELEC EN 50065-1:2001 and FCC Part 15

■ Powerful Harvard-architecture Processor

? M8C processor speeds to 24 MHz

? Two 8x8 multiply, 32-bit accumulate

■ Programmable system resources (PSoC® Blocks)

? 12 Rail-to-Rail Analog PSoC Blocks provide:

• Up to 14-bit ADCs

• Up to 9-bit DACs

• Programmable gain amplifiers

• Programmable filters and comparators

? 16 Digital PSoC Blocks provide:

• 8 to 32-bit Timers, Counters, and PWMs

• CRC and PRS Modules

• Up to four full duplex UARTs

• Multiple SPI™ masters or slaves

• Connectable to all GPIO Pins

? Complex peripherals by combining blocks

■ Flexible on-chip memory

? 32 KB flash program storage 50,000 erase or write cycles

? 2 KB SRAM data storage

? EEPROM emulation in flash

■ Programmable pin configurations

? 25 mA sink, 10 mA source on all GPIOs

? Pull-up, Pull-down, high Z, strong, or open drain drive Modes on all GPIO

? Up to 12 analog inputs on all GPIOs

? Configurable interrupt on all GPIOs

■ Additional system resources

? I2C slave, master, and multi-master to 400 kHz

? Watchdog and sleep timers

? User-configurable low-voltage detection

? Integrated supervisory circuit

? On-chip precision voltage reference

■ Complete development tools

? Free development software (PSoC Designer™)

? Full-featured in-circuit emulator (ICE) and programmer

? Full-speed emulation

? Complex breakpoint structure

? 128 KB trace memory

? Complex events

? C Compilers, assembler, and linker

圖1.Cypress PLC 解決方案框圖

圖2.CY8CPLC20 PSoC核框圖

CY3275可編低壓PLC開發(fā)套件

Cypress’s Powerline Communication (PLC) solution makes it possible to transmit command and control data over high-voltage and low-voltage powerlines. This solution is developed for low bandwidth powerline communication.

The CY3275 Programmable Low Voltage Powerline Communication Development Kit is a tool to do system design using the ability of the CY8CPLC20 devices to transmit data up to 2400 bps over Low Voltage (12-24V AC/DC) Powerlines.

CY3275可編低壓PLC開發(fā)套件主要特性:

User friendly PLC Control Panel application available on the kit CD-ROM

Chip power supply derived from 12V to 24V AC/DC

CY8CPLC20-OCD chip -- 100-pin TQFP on chip debug (OCD) device that allows for the quick design and debug of PLC applications

User configurable general purpose LEDs

General purpose 8-bit DIP switch

RJ45 connector to use ICE debugger

RS232 COM port for communication

Header to attach LCD card

I2C header for communicating to external devices

ISSP header for programming the CY8CPLC20 chip

CY3275可編低壓PLC開發(fā)套件包括:

CY3275 PLC LV development board

CY3275 Quick start guide

CD-ROM containing:

Packet Test software – PLC Control Panel application

CY8CPLC20 data sheet

User guide

Application note – Using CY8CPLC20 in Powerline Communication (PLC) Applications

CY3275 board schematics

CY3275 board Gerbers

PSoC Designer

PSoC Programmer

12V DC power supply

MiniProg1 for programming the CY8CPLC20 device

25 Jumper wires

LCD module

USB-I2C Bridge

Retractable USB cable

Daisy chain cable

Five CY8CPLC20-28PVXI Device Samples

圖3.PLC 系統(tǒng)級方框圖-兩個節(jié)點

圖4.CY3275可編低壓PLC開發(fā)板外形圖

圖5.CY3275可編低壓PLC開發(fā)板電路圖:用戶接口

圖6.CY3275可編低壓PLC開發(fā)板電路圖:發(fā)送和接收濾波器耦合

圖7.CY3275可編低壓PLC開發(fā)板電路圖:電源

CY3275可編低壓PLC開發(fā)板材料清單:




圖8.CY3275可編低壓PLC開發(fā)板元件布局圖
詳情請見:
http://www.cypress.com/?docID=30115
和
http://www.cypress.com/?docID=32000