Renesas RZ/N1D Series Manuale utente

Quick Start Guide

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RZ/N1D Group

CONNECT IT! ETHERNET RZ/N1D-DB

Introduction

RZ/N1 is a family of scalable ARM® based industrial Ethernet switches. Due to the integrated performant

ARM® Cortex®-A7 CPU, they are ideal choice for building products such as Programmable Logic Controllers

(PLC), complex remote-IO slaves, industrial switches, gateways or operator terminals.

RZ/N1 Family consists of three devices, out of which the RZ/N1D, is an industrial ethernet communication

System on Chip with 5-ports, in a 400BGA package.

This guide shall assist you to quickly start with your evaluation of the RZ/N1D device on the related Solution

Kit board(s) and the Solution Kit software and documentation. It represents a short guide for the first time users

with the instructions for the first startup of the board.

In addition to this document, please be aware of the extensive documentation on RZ/N1 devices, evaluation

boards and software that you may find in the Solution Kit Documentation directory.

The Solution Kit boards can solely be used for evaluation purposes. It is not allowed to use the boards for

commercial purposes.

List of reference documents

Document name

User’s Manual: System Introduction, Multiplexing, Electrical and Mechanical Information

User’s Manual: System Control and Peripheral

User’s Manual: Peripherals

User’s Manual: R-IN Engine and Ethernet Peripherals

User’s Manual: Generic Open Abstraction Layer

RZ/N1D Development Board Schematic

RZ/N1D Development Board Setup Notes

RZ/N1 U-Boot User Manual

RZ/N1 Linux User Manual

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List of Abbreviations and Acronyms

Abbreviation

Full Form

API

Application Programming Interface

BSP

Board Support Package

CANopen Bus Protocol

DLR

Device Level Ring Protocol

EtherCAT / ECAT

EtherCAT Network Protocol

EtherNet/IP / EIP

EtherNet/IP Network Protocol

EPL

Ethernet POWERLINK Network Protocol

PNIO

PROFINET IO Protocol

PROFINET

Process Field Network Protocol

lwIP

Lightweight IP Protocol

GOAL

Generic OS Abstraction Layer, Communication Framework on RZ/N1x

LLDP

Link Layer Discovery Protocol

NVM

Non-volatile memory

Operating System

Real-Time

API

Application Programming Interface

Hardware

Software

HSR

High-Availability Seamless Redundancy Protocol

PRP

Parallel Redundancy Protocol

IBIS

I/O Buffer Information Specification for pin signal simulation

EtherCAT is registered trademark and patented technology, licensed by Beckhoff Automation GmbH, Germany.

Sercos is a registered trademark of Sercos International e.V.

Ethernet POWERLINK is the registered trademark of Ethernet POWERLINK Standardization Group (EPSG).

CAN(Controller Area Network)：An automotive network specification developed by Robert Bosch GmbH of Germany

All registered trademarks or trademarks are the property of their respective owners.

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1. Overview

The following chapters will help you setup the hardware and software environment and run a sample

application on your RZ/N1L evaluation board.

•The Solution Kit is being actively updated and new versions of it are iteratively released

•Current version of Solution Kit is providing a snapshot of the latest software and documentation

versions at the release time

The CONNECT IT! ETHERNET RZ/N1D Solution Kit is based on the RZ/N1D, a 5-port, industrial Ethernet

communication SoC in a 400BGA package. The device features two independent blocks integrated in a single

package –a communication block based on the proven multi-protocol R-IN Engine, as well as an application

block with a dual ARM® Cortex®-A7 and a variety of peripherals, including a DDR memory interface required

for rich operating systems like Linux. Along this external memory the RZ/N1D additionally includes 2 MB

internal SRAM. The RZ/N1D Solution Kit contains everything you need for fast evaluation and rapid prototyping

of multiple industrial Ethernet protocols.

The RZ/N1D Solution Kit contains

•RZ/N1D CPU Development Board

•IAR I-jet Lite debugger (incl. 20pin flat ribbon and USB-micro/A cable)

•USB Cable Micro / Type-A

•DVD RZ/N1x-DB Solution Kit for all RZ/N1x devices / boards

Additionally, one can order the RZ/N1-EB Expansion Board separately, that provides the user with the

possibility to use an expanded range of functionalities and RZ/N1D interfaces. RZ/N1-EB kit contains:

•RZ/N1-EB Expansion Board

•Power Supply 24V/750mA

•Power Supply Primary Adapters Euro/UK/JPN-US

The expansion board has no stand-alone capability and requires an RZ/N1D or RZ/N1S CPU board.

Figure 1-1: RZ/N1D Functional and HW overview

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2. Hardware Setup

2.1 CPU Demo Board Setup

To get started quickly with the board, please identify the connectors on the RZ/N1D-DB CPU Board.

Figure 2-1: Board connectors overview

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1. Switches and Jumpers

Please take care that the following switches are set according to the tables below.

Table 1: RZ/N1D GPIO Multiplexer DIP-Switch SW2

Number

SW ON (low)

SW OFF (high)

Setting

RMII/MII

LCD

OFF

CAT/S3

PMOD

MSEBI

Mixed

OFF

RMII2

SPI5

OFF

USB 1x Host 1x Device

USB 2 x Host

ARM Debug

FTDI Debug

Segger Debugger

No connection

OFF

I-Jet Debugger

No connection

OFF

Table 2: RZ/N1D Config DIP-Switch

Switch

SW ON (white bar)

SW OFF

Setting

JTAG Mode

ARM Coresight Mode

OFF

RXCLK4 from PHY

RXCLK4 from GPIO61

Boot Mode NAND

Boot Mode QSPI/USB

OFF

RXCLK5 from PHY

RXCLK5 from GPIO61

LCD pull up

LCD pull down

LCD pull up

LCD pull down

Table 3: Jumper Settings RZ/N1D-DB

USB Power

Jumper

On Setting (default)

Off Setting

CN6

Power from USB

Power from ext. Supply

SRESET from Debugger to RZ/N1D

Jumper

On Setting (default)

Off Setting

CN7

RZ/N1D is connected with the

SRESET from the Debugger

Debugger cannot reset the CPU

MRESETout

Jumper

On Setting

Off Setting (default)

CN8

MRESETOUT is connected to

the Debugger

Debugger cannot detect any

internal CPU reset

USB Host/Device Mode

Jumper

On Setting

Off Setting (default)

CN2

OTG mode ID

Device Mode ID

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Table 4: Boot config dip switches

The single dip switches are used to select the power on setup.

Boot Mode

Switch

On Setting (white bar) (default)

Off Setting

Boot Mode NAND

Boot Mode QSPI / USB

Debug Mode

Switch

On Setting (white bar)

Off Setting (default)

JTAG Mode

ARM Coresight Mode

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GPIO Pull up

Switch

On Setting (white bar) (default)

Off Setting

LCD [145:127,73:62] pull up

LCD [145:127,73:62] pull down

GPIO Pull up

Switch

On Setting (white bar) (default)

Off Setting

LCD [111:105,59:36] pull up

LCD [111:105,59:36] pull down

Table 5: Ethernet RX Clock

ETH4: RX_CLK

Switch

On Setting (white bar) (default)

Off Setting

RXCLK4 from Phy

RXCLK4 from GPIO61

ETH5: RX_CLK

Switch

On Setting (white bar) (default)

Off Setting

RXCLK5 from Phy

RXCLK5 from GPIO61

Instead of QSPI it is possible to boot from USB, if SW5 is pressed down during the RESET.

Table 6: Push buttons

SW5:

Boot Mode Select

Switch

On Setting

Off Setting

SW5

Boot from USB

Boot from QSPI

Table 7: Reset and NMI switches

SW3:

Power On Clear

Switch

On Setting

Off Setting

SW3

POR Reset

Release POR Reset

SW4:

Soft Reset

Switch

On Setting

Off Setting

SW4

Soft Reset

Release Soft Reset

SW6:

NMI

Switch

On Setting

Off Setting

SW6

Generate CM3 NMI

Release CM3 NMI

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If you are using the expansion board together with RZ/N1D CPU Board, please remove the jumper

CN6.

1. JTAG Debug Connector

This connection is required for software development purposes, to be able to run and debug the

software on the target. The IAR Debugger cable has one unused key pin, therefore pin 7 of the J2

connector should be cut or bent, as shown below. After this step, you can attach your I-jet debugger

to the board via JTAG cable to the PC via USB.

Figure 2-2: Connector J2 with removed pin 7

Figure 2-3: I-Jet Debugger Connector

2. Power connector and serial-over-USB

The board is powered via USB connector CN10, if not attached to the expansion board. If you use

the CPU board standalone, please make sure that the jumper CN6 is ON, otherwise OFF. Please

connect the board to your PC via USB cable to the connector CN10. The same interface is used for

serial UART communication with the board, so if you have a windows PC, after connecting the

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board via USB, you should be able to see a new device registered 4 new USB Serial COM ports.

You may use any of the terminal emulator on your PC to open a serial port connection to the board.

The board uses the 3rd port for UART output at 115200,8,n,1. On Linux PCs, if you have no other

serial-over-USB devices attached, this is accessed using /dev/ttyUSB2, provided you do not have

any other USB devices attached.

Figure 2-4: Power connector and serial over USB

If the board is not recognized by Windows, please install the FTDI driver that you may find under

…\YCONNECT-IT-RZN_V1.x\Tools\FTDI.

You can perform a soft-reset of the board by pressing SW4.

3. Ethernet Interface

The Ethernet connection to the PC or a PLC can be prepared using one of the two RJ-45 connectors

CN4 or CN1 (for an overview of connectors please check Figure 2-1). For running any Ethernet

fieldbus sample program, you can use any of the two connectors. There are two PHY Micrel chips

connected to these RJ-45 connectors.

If you are using the expansion board, Ports J23 and J24 can be used of real-time Ethernet and port

J22 is reserved for Linux. You can connect J22 to a dedicated Network Interface Card (NIC) on your

PC to open a secure shell to Linux. Linux accesses GMAC1 on the RZ/N1 device.

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2.2 Expansion Board Setup

If you are using the expansion board together with your RZ/N1D CPU Board, here you may find some setup

notes for it. The expansion board comes with an external power supply to drive the expansion board and the

RZ/N1x CPU board plugged onto the connectors J1 and J2. Please note the position of the power supply

selection jumper below and ensure that the 12…24V position is chosen. This board expands the RZ/N1D or

RZ/N1S CPU boards with 3 Gbit PHY ports, an SD-Card slot, a USB Host as well as CAN, RS232, RS485,

PMODs, LCD display interface with integrated touch screen, etc.

Figure 2-5: RZ/N1-EB Expansion Board Overview

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