Microchip Technology PL360G55CB-EK Manual de usuario

PL360G55CB-EK

PL360G55CB-EK User Guide

Introduction

PL360G55CB-EK is an evaluation kit for the PL360 modem. PL360 is a programmable modem for

narrow-band Power Line Communication (PLC) from Microchip Technology Inc, able to run any PLC

protocol in the frequency band below 500 kHz. The PL360 has been conceived to be driven by external

Microchip host controller devices; in this case a SAMG55 ARM® Cortex®-M4 RISC processor is used. The

Microchip host device loads the corresponding PLC-protocol firmware and then controls the PL360

modem operation.

The PL360G55CB-EK board has been conceived to communicate in CENELEC B-Band (95 kHz to 125

kHz) and it complies with CENELEC standard EN 50065 regulations and Smart Energy applications. It

can be connected directly to AC mains or DC power rails.

Contents

• Welcome letter

• Board:

– One PL360G55CB-EKv2 board

• Cable:

– One Micro A/B-type USB cable

• Jumpers:

– Two jumpers with pitch 1.27 mm

• Pin Headers:

– Two 8-pin headers with pitch 2.54 mm

Features

• PL360G55CB-EK board mounts a PL360 PLC transceiver and a SAMG55J19 ARM Cortex M4

microcontroller.

• PL360G55CB-EK board provides a full featured platform to develop a complete communications

system based on PLC technology working in CENELEC B-Band.

• PL360 is a compact and highly efficient device for a wide range of Smart Grid applications such as

lighting control, industrial/home automation and renewable-energy management, among others.

• PL360G55CB-EK board provides support for:

– PLC band characterization and noise level measurement

– PLC sensitivity level measurement

– Power consumption

– Power fail detection

• PL360G55CB-EK board includes a SWD/JTAG interface for MCU debugging and programming

purposes. Firmware is also upgradable via USB/serial interface

• USB 2.0 full-speed interface

• mikroBUS™ add-on connectors to integrate the board itself as a module for interfacing with other

microcontrollers or microprocessors (mikroBUS main board).

• PL360G55CB-EK board can be externally supplied by:

– mikroBUS connector

– Micro-B USB connector

– DC Jack connector

PL360G55CB-EK

Table of Contents

Introduction......................................................................................................................1

Contents.......................................................................................................................... 1

Features.......................................................................................................................... 1

1. Evaluation Kit Specifications..................................................................................... 4

1.1. Safety Recommendations............................................................................................................ 4

1.2. Electrical Specifications................................................................................................................4

2. Getting Started.......................................................................................................... 6

2.1. Powering-Up the Board................................................................................................................ 6

2.2. Running Preloaded Firmware.......................................................................................................7

2.3. Code and Technical Support........................................................................................................ 7

3. PL360G55CB-EK Board............................................................................................9

3.1. Overview...................................................................................................................................... 9

3.2. Features List.................................................................................................................................9

3.3. Hardware Description – System.................................................................................................16

3.4. Hardware Description – MCU Peripherals................................................................................. 26

3.5. Hardware Description – MCU Interface Ports............................................................................ 28

3.6. PL360G55CB-EK Schematics....................................................................................................30

3.7. PL360G55CB-EK Layout........................................................................................................... 34

4. Compliance for Specific Standards......................................................................... 40

5. References.............................................................................................................. 41

6. Revision History.......................................................................................................42

6.1. Rev A - 04/2019......................................................................................................................... 42

The Microchip Web Site................................................................................................ 43

Customer Change Notification Service..........................................................................43

Customer Support......................................................................................................... 43

Microchip Devices Code Protection Feature................................................................. 43

Legal Notice...................................................................................................................44

Trademarks................................................................................................................... 44

Quality Management System Certified by DNV.............................................................45

Worldwide Sales and Service........................................................................................46

PL360G55CB-EK

1. Evaluation Kit Specifications

1.1 Safety Recommendations

This evaluation board must only be used by expert technicians. The PL360G55CB-EK board is powered

from a DC power source, so only the PLC coupling stage could have a hazardous voltage when is

connected to mains. The risk of electric shock is minimized since all required connectors and

configuration jumpers are galvanically isolated from the coupling stage.

CAUTION

Be careful, there is risk of electric shock in the PLC coupling stage. A normal use of the

PL360G55CB-EK board is for indoor use only.

This evaluation board does not have any switch on mains connection to switch it on or off.

To avoid damage of measurement instruments, do not connect any probe to the high voltage sections if

the board is not isolated from the mains supply.

Temperature operating range should be from 0ºC to +85ºC. Running extended periods at minimum and

maximum values may cause permanent damage to the board. Quartz crystal components could not cover

previous temperature range with desired performance due to aging.

The evaluation board is intended for further engineering, development, demonstration, or evaluation

purposes only. It is not a finished product, unless otherwise noted on the board/kit.

Important: Microchip does not assume any responsibility for the consequences arising from

any improper use of this board.

1.2 Electrical Specifications

This section shows the electrical characteristics of the PL360G55CB-EK board.

Table 1-1. Power Supply Requirements

Parameter Condition Min. Typ. Max. Unit

DC Mains Voltage Range DC Jack Connector, J8 6 - 30 VDC

Maximum Input Current DC Jack Connector, J8 5901mA

Isolation Voltage PLC coupling transformer 3000 VAC

Note that the PL360G55CB-EK can be supplied with several power sources. For more information about

the power supply system, see section 3.3.6 Power Supply System.

Note:

1. Board supplied with 6 VDC, transmission against very low impedance (2Ω) and all peripherals are

on.

PL360G55CB-EK

Evaluation Kit Specifications

Table 1-2. Power Consumption

Parameter Condition Consumption Unit

TX Power Consumption

FW: G3 CEN-B PHY TX Test Console

Application.

Low Impedance Load (2Ω LISN, see Figure C.1

of ITU-T G.9901).

Measured on 12V DC/DC output.

19321mW

FW: G3 CEN-B PHY TX Test Console

Application.

High Impedance Load (CISPR LISN, see Figure

5 of EN 50065-1).

Measured on 12V DC/DC output.

3221mW

RX Power Consumption Measured on 3.3V DC/DC output 2641mW

Notes:

1. These measurements were taken running the PHY TX Test Console project with a default

configuration in TX and RX modes, and correspond to the whole PCBA design and not only to

PL360 and SAMG55J19 devices. All PCB is supplied in the worst consumption conditions (board is

supplied with a minimum input voltage, 6 VDC) and emitting in CENELEC B-band. Refer to PL360

and SAMG55 datasheets for their respective power consumption.

PL360G55CB-EK

Evaluation Kit Specifications

2. Getting Started

2.1 Powering-Up the Board

Unpack and inspect the kit carefully.

Figure 2-1. Unpacked PL360G55CB-EK

Kit contents are covered by anti-static foam. The PL360G55CB-EK board is shipped in an anti-static

shielding bag.

WARNING

The board must not be subject to high electrostatic discharge. We recommend using a

grounding strap or similar ESD protective device when handling the board in hostile ESD

environments. Avoid touching the components’ pins or any other metallic elements on the

board.

PL360G55CB-EK

Getting Started

Figure 2-2. PL360G55CB-EKv2 Board Top View

Take into account that the connectors to supply the board are different than the one for PLC signals. The

board can be supplied by three different ways:

• +5V from USB Micro-B connector (J4)

• +5V from mikroBUS connector (J6)

• DC voltage (from +6V to +30V) from DC Jack connector (J8)

2.2 Running Preloaded Firmware

Once the board is supplied, LEDs will show activity. The PL360G55CB-EK board is delivered with a pre-

programmed application in SAMG55 Flash memory: the G3-PLC PHY Tester for CENELEC B-Band. PLC

communications are developed for CENELEC B-Band in AC or DC voltage grid.

The kit includes a USB 2.0 type A to Micro-B cable that can be used to connect the board to a computer.

Connect a suitable cable in the PLC connector (J1) and plug it to an AC/DC voltage grid to communicate.

By means of the PLC PHY Tester PC application, it is possible to send and receive PLC messages using

the PHY layer in the CENELEC B-Band according to the binary flashed in PL360G55CB-EK board.

2.3 Code and Technical Support

Firmware developers can not only run the given example code, but also implement their own applications

based on the provided firmware stacks.

PL360G55CB-EK

Getting Started

Please note that the latest software code, documentation and support materials are available online.

Follow instructions described in the welcome letter for more information.

For any technical support requests, please visit http://support.microchip.com.

PL360G55CB-EK

Getting Started

3. PL360G55CB-EK Board

3.1 Overview

This section summarizes the PL360G55CB-EK board design. It introduces system-level concepts, such

as power supply, MCU, PLC coupling, peripherals and interface board.

PL360G55CB-EK is a PLC modem board based on the PL360 transceiver and on the SAMG55 ARM

Cortex-M4 RISC processor. This evaluation board can be used as a PLC modem reference design for

modular architectures; or, in any case to provide a platform to develop a complete communications

system over PLC technology.

Figure 3-1. PL360G55CB-EKv2 Board Description

JTAG/SWD

Connector (J7)

mikroBUS

Connectors

(J5 & J6)

USB Device

Connector (J4)

ERASE Pin

Header (J3)

Test Point

12V Voltage

(TP6)

Test Point

3V3 Voltage

(TP10)

PROG Pin

Header (J2)

RESET

Button (SW1)

PLC

Connector (J1)

Test Point

PLC signal

(TP107)

DC Input

Connector

(J8)

PL360 (U1)

3V3 Buck

Converter

(U5)

12V Buck-Boost

Converter (U3)

User LEDs

(D1 & D2)

SAMG55J19

(U2)

PLC

COUPLING

Test Point

GND Voltage

(TP16)

High Voltage

Area (AC/DC)

3.2 Features List

The PL360G55CB-EK board includes the following features:

• PL360 PLC Transceiver:

– Multi-protocol PLC modem:

• G3-PLC

• PRIME 1.3 and PRIME 1.4

PL360G55CB-EK

PL360G55CB-EK Board

– One SPI peripheral to external MCU

– Zero-Cross Detection

– Embedded PLC Analog Front End (AFE)

– Low-power consumption in transmission and reception

• SAMG55 MCU:

– Core:

• ARM Cortex-M4 running at up to 120 MHz

• Memory Protection Unit (MPU)

• DSP instruction set

• Floating-Point Unit (FPU)

• Thumb®-2 instruction set

• Instruction and Data Cache Controller with 2 Kbytes cache memory

• Up to 512 Kbytes of embedded Flash, 176 Kbytes of embedded SRAM, 8 Kbytes of ROM

– Memories:

• Up to 512 Kbytes of embedded Flash

• Up to 176 Kbytes of embedded SRAM

• Up to 8 Kbytes of ROM with embedded bootloader, single-cycle access at full speed

• PLC Coupling designed to communicate in CENELEC B-Band (95 kHz to 125 kHz)

• A 3.3V buck converter for the digital circuitry and a 12V Buck-Boost converter for supplying the PLC

Power Amplifier. It allows supply of the board with any of the three different power sources

• Mains Zero-Crossing Detector Circuit

• Peripherals:

– Supply monitor

– User LEDs

– Reset button

– Chip Erase jumper

– Chip Programming jumper

• Interfaces:

– USB Device

– mikroBUS add-on connectors

– SWD/JTAG debugging port

3.2.1 PL360G55CB-EK Block Diagram

The following figure shows the block diagram of the PL360G55CB-EK board.

PL360G55CB-EK

PL360G55CB-EK Board

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