Cypress CY3275 Programmable Low Voltage Power Line Communication Development Solution

Cypress’s CY3275 is a programmable low-voltage power line communication development kit using CY8CPLC20 PSoC for low-bandwidth power line communication. CY3275 can perform system design and send data up to 2400 ON low-Voltage (12-24V AC/DC) power lines. bps. This paper introduces the main features of CY8CPLC20, PSoC core block diagram, PLC solution block diagram, two-node PLC system-level block diagram and the main features of CY3275 programmable low-voltage PLC development kit, circuit diagram, material factory list and PCB component layout diagram.

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.

Main features of CY8CPLC20:

■ 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 8×8 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

❐ 2KB 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

❐ 128KB trace memory

❐ Complex events

❐ C Compilers, assemblers, and linkers
Cypress CY3275 Programmable Low Voltage Power Line Communication Development Solution
Figure 1. Cypress PLC solution block diagram
Cypress CY3275 Programmable Low Voltage Power Line Communication Development Solution
Figure 2. CY8CPLC20 PSoC core block diagram

CY3275 Programmable Low Voltage PLC Development Kit

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.

Main features of CY3275 programmable low-voltage PLC development kit:

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

The CY3275 Programmable Low Voltage PLC Development Kit includes:

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
Cypress CY3275 Programmable Low Voltage Power Line Communication Development Solution
Figure 3. PLC system level block diagram – two nodes
Cypress CY3275 Programmable Low Voltage Power Line Communication Development Solution
Figure 4. Outline drawing of CY3275 programmable low-voltage PLC development board
Cypress CY3275 Programmable Low Voltage Power Line Communication Development Solution
Figure 5. CY3275 Programmable Low Voltage PLC Development Board Circuit Diagram: User Interface
Cypress CY3275 Programmable Low Voltage Power Line Communication Development Solution
Figure 6. CY3275 Programmable Low Voltage PLC Development Board Circuit Diagram: Transmit and Receive Filter Coupling
Cypress CY3275 Programmable Low Voltage Power Line Communication Development Solution
Figure 7. CY3275 Programmable Low Voltage PLC Development Board Circuit Diagram: Power Supply

CY3275 Programmable Low Voltage PLC Development Board Bill of Materials:
Cypress CY3275 Programmable Low Voltage Power Line Communication Development Solution
Cypress CY3275 Programmable Low Voltage Power Line Communication Development Solution

Figure 8. CY3275 programmable low-voltage PLC development board component layout
For details, see:
http://www.cypress.com/?docID=30115
and
http://www.cypress.com/?docID=32000

The Links:   7MBR75U4B120 LM150X08-B3