NXP Semiconductors JN516x Manuale utente

JN516x USB Dongle

Reference Manual

JN-RM-2065

Revision 1.0

14-Jan-2013

JN516x USB Dongle

Reference Manual

2 © NXP Laboratories UK 2013 JN-RM-2065 v1.0

Contents

About this Manual 3

Organisation 3

Conventions 3

Acronyms and Abbreviations 3

Related Documents

JN-DS-JN516x JN516x Data Sheet

JN-UG-3087 JN516x Integrated Peripherals API User Guide

JN-UG-3007 JN51xx Flash Programmer User Guide (JN-UG-3007)

Trademarks

All trademarks are the property of their respective owners.

“JenNet-IP” is a trademark of NXP B.V..

JN516x USB Dongle

Reference Manual

4 © NXP Laboratories UK 2013 JN-RM-2065 v1.0

1 Introduction

This chapter introduces the NXP JN516x USB Dongle (DR1198), which provides

a hardware development platform for wireless microcontroller applications with a

USB interface.

1.1 Overview

The JN516x USB Dongle features a JN516x wireless microcontroller and allows

communication with this JN516x device from a USB connection. The JN516x

device can act as a node of a wireless network. Thus, the dongle provides an

easy way of interfacing a host machine (such as a PC) to a wireless network

based on the IEEE802.15.4, JenNet-IP, ZigBee PRO (ZigBee Light Link or Smart

Energy) or ZigBee-RF4CE networking protocol. An FTDI device provides the

USB connection between the host machine and the JN516x device, which in turn

provides the radio interface to the wireless network.

Note: The JN516x device used in this USB dongle design can

be an NXP JN5168-001, JN5164-001 or JN5161-001 wireless

microcontroller. Full details of the JN516x range of devices

can be found in the JN516x Data Sheet (JN-DS-JN516x).

Typical uses of the dongle include:

•A complete and stable hardware environment for the development of

IEEE802.15.4, JenNet-IP, ZigBee PRO (ZigBee Light Link or Smart

Energy) and ZigBee-RF4CE networking applications, facilitating an

accelerated time-to-market for wireless network products

•The basis of a packet sniffer for IEEE 802.15.4-based wireless

communications

•A means of integrating the host machine into a wireless network, typically

as the network Co-ordinator

The small-footprint PCB of the dongle provides all the necessary components for

a wireless microcontroller with access to a USB connection. All RF layout and

decoupling issues are handled by the design of this dongle. Therefore, this

design is ready for application development without the necessity of hardware

development.

The JN5168 USB Dongle, shown below, is supplied in the JN516x-EK001

Evaluation Kit.

Figure 1: JN5168 USB Dongle (DR1198)

JN516x USB Dongle

Reference Manual

JN-RM-2065 v1.0 © NXP Laboratories UK 2013 5

1.2 Features

The dongle has the following features:

•USB 2.0 Full-Speed Compatible Interface

•IEEE 802.15.4-based wireless microcontroller (JN516x) with the following

radio characteristics:

Transmit Power: 2.5 dBm (typ.)

Transmit Current: 15mA (typ.)

Receive Sensitivity: –95dBm (typ.)

Receive Current: 17.5mA (typ.)

•Integrated printed RF antenna

•General-purpose LEDs (one green, one orange)

•Serial Flash memory device (4 Mbits)

•32-kHz crystal oscillator

1.3 Reference Design

The Reference Design JN-RD-6039 for the JN516x USB Dongle is available

from www.nxp.com/jennic/support.

This Reference Design comprises a ZIP file containing the following files:

•This Reference Manual

•The schematic diagram for the board

•The BOM (Bill Of Materials) for the board

•Gerbers for the board

Note: The PADS source file in the Reference Design does

not include the PCB antenna. This must be obtained from the

Gerber files.

JN516x USB Dongle

Reference Manual

6 © NXP Laboratories UK 2013 JN-RM-2065 v1.0

2 Hardware Overview

This chapter provides an overview of the hardware design and the main

hardware components of the JN516x USB Dongle.

2.1 Dongle Layout

16mm

30mm

USB

JN516xLEDs

FT232RL

Antenna

SPI Flash

Figure 2: DR1198 Board Layout

2.2 Dongle Block Diagram

The following block diagram illustrates the main hardware blocks of the dongle in

the case when a JN5168-001 device is fitted to the board.

Timers

UART

Temp Sensor

SPI

RAM

32KB

128-bit AES

Encryption

Accelerator

2.4GHz

Radio

Flash

256KB

RISC CPU

Power

Management

XTAL

32.768 kHz

O-QPSK

Modem

IEEE802.15.4

MAC

Accelerator

4Mbit

Serial Flash

Memory

JN5168 Chip

Integrated Antenna

32kHz ext XTAL

Sleep Counters

4KB

EEPROM

Watchdog Timer

Time of Flight

Engine

USB

FT232RL

XTAL

32 MHz

XTAL

12 MHz

Matching

Figure 3: JN5168 USB Dongle Hardware Blocks

JN516x USB Dongle

Reference Manual

JN-RM-2065 v1.0 © NXP Laboratories UK 2013 7

2.3 Hardware Components

The following hardware components on the board are described in the sub-

sections below.

•JN516x wireless microcontroller – see Section 2.3.1

•FTDI FT232RL driver device – see Section 2.3.2

•LEDs – see Section 2.3.3

•32-kHz crystal oscillator – see Section 2.3.4

2.3.1 JN516x Device

The JN516x wireless microcontroller used in the dongle design can be an NXP

JN5168-001, JN5164-001 or JN5161-001 device. The JN516x range of wireless

microcontrollers is detailed in the JN516x Data Sheet (JN-DS-JN516x).

The JN516x circuit on the board is based around the standard JN516x Module

Reference Design (JN-RD-6038). However, it is built on a 2-layer board, as the

DIOs do not need to be externally available.

The JN516x device uses an integrated antenna on the PCB of the dongle. Note

that in the Reference Design JN-RD-6039, the PADS source file does not include

the PCB antenna - it must be obtained from the Gerber files.

2.3.2 FT232RL Device

The FT232RL device is connected to the USB connector and acts as an

interface between the PC and the JN516x device. The FT232RL will enumerate

on the PC as a virtual COM port connected directly to UART0 on the JN516x

device.

The IO controls C2 and C3 in the FT232RL device need to be set to ’I/O Mode’

to allow the RESET and PGM signals to operate correctly. To do this, follow the

instructions below.

1. Download the application FT_Prog from the FTDI website

(www.ftdichip.com).

2. Insert the JN516x USB Dongle into a USB port of your computer and wait

for the device to enumerate.

3. Start FT_Prog and click Scan and Parse ( the magnifying glass button).

4. Update the IO controls C2 and C3 to I/O MODE – see screenshot below.

JN516x USB Dongle

Reference Manual

8 © NXP Laboratories UK 2013 JN-RM-2065 v1.0

5. Click Program Devices (the lightning button).

6. On the resulting screen, click Program – see screenshot below.

JN516x USB Dongle

Reference Manual

JN-RM-2065 v1.0 © NXP Laboratories UK 2013 9

2.3.3 LEDs

There are two surface-mounted LEDs that can be controlled by the JN516x

wireless microcontroller (see Figure 2 for locations):

•LED D1 (green)

•LED D2 (orange)

Both LEDs are connected to DIO16 and DIO17. These DIOs can be used to

control the LEDs as indicated in the table below.

DIO 17

Low High

DIO16

Low D1: Off D1: Off

D2: Off D2: On

High D1: On D1: Off

D2: Off D2: Off

Table 1: DIO Control of LEDs

2.3.4 32-kHz Crystal Oscillator

The JN516x device has an internal 32-kHz RC oscillator. In order to provide

more accurate system timings, an external 32-kHz crystal can be used with the

device. This is provided on the JN516x USB Dongle and can be enabled from

the JN516x application using the JN516x Integrated Peripherals API - refer to the

JN516x Integrated Peripherals API User Guide (JN-UG-3087).

JN516x USB Dongle

Reference Manual

10 © NXP Laboratories UK 2013 JN-RM-2065 v1.0

3 Flash Programming

When the JN516x USB Dongle is powered up, it attempts to run an application

from the internal Flash memory of the JN516x device. This may be a self-

contained application that sends and receives wireless data, and which does not

need to communicate with the host. Alternatively, it may communicate via the

USB with an application running on the host, such as a Windows program, and

also communicate with a wireless device or network.

In order to program an application binary into Flash memory, the JN51xx Flash

Programmer can be used, which is described in the JN51xx Flash Programmer

User Guide (JN-UG-3007). This programming utility will place the JN516x into its

programming mode. It will then download the program to the Flash memory and

reset the JN516x device, causing the application to be executed.

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