Atmel ATZB-EVB-24-SMA User manual

ZigBit Development Kits

ATZB-EVB-24-SMA, ATZB-EVB-900-SMA,

ATZB-EVB-A24-SMA, ATZB-EVB-24-PCB,

ATZB-EVB-24-A2

User Manual

ZigBit

Development Kits

User Manual

Rev. [0.5]-AVR-[09/11]

2 ATZB-EVB-XXX-XXX User Manual AVR-09-2011

1 Introduction

Intended Audience and Purpose

This document is intended for engineers and software developers working with the

ZigBit™ Development Kit (ZDK). The Kit is used to evaluate the performance and

features of ZigBit modules and the BitCloud software, and to implement custom

applications on top of BitCloud API.

Safety and Precautions

The product contains electronics, which are electrically sensitive. Please take

necessary precautions when using such devices. Atmel does its best to protect the

product components from electrostatic discharge phenomena, but we encourage our

users to follow common guidelines to avoid electrostatics by using proper grounding

etc.

The product complies with the FCC (Part 15), IC and ETSI (CE) rules applicable to

the devices radiating in the uncontrolled environment. Please find out if the product

complies with your local regulations.

Any modifications of the hardware, its components or improper use of the product can

cause an uncontrolled violation of the in-band or out-band radiation levels. It can

result in progressing violation of emission level limits, thus causing harmful

interference.

Precautions

The product radiates power in the microwave band. Although the levels are

considered to be low (less than 2 mW), it is reasonable to protect the operating

personnel from possible harmful impact of the electromagnetic field. When the parts

of the product are turned on, an operator should avoid touching the PCB antenna and

the board itself. The recommended distance between an operator and antenna

should be more than 20 centimeters.

AC/DC adapters which can be used with the product contain high voltage circuits.

General precautions should be taken against electric shock before the product

hardware is mains powered.

The ZigBit Development Kit contains fragile components. Please handle with care.

Related documents

[1] ZigBit™ OEM Modules. Product Datasheet. Atmel Doc.

M-251~01

[2] BitCloud™ IEEE802.15.4/ZigBee Software. Product Datasheet.

Atmel Doc. M-251~08

[3] BitCloud™ Software 1.0. SerialNet. Reference Manual. AT-

Command Set. Atmel Doc. P-ZBN-452~03

[4] BitCloud™ Software 1.0. BitCloud Stack Documentation.

Atmel Doc. P-ZBN-452~02

[5] BitCloud Developer's Guide. Atmel Doc. P-ZBN-452~01

3 ATZB-EVB-XXX-XXX User Manual AVR-09-2011

[6] ZigBit™ OEM Module. Application Note. ZigBit Power

Consumption Testing. Atmel Doc. AN-481~01

[7] BitCloud™ Software 1.0. Serial Bootloader User’s Guide.

Atmel Doc. P-ZBN-451~02

[8] ZigBit™ OEM Module. Application Note. Using ZigBit Module

with Analog Sensors. Atmel Doc. AN-481~06

[9] BitCloud™ Software 1.0. Range Measurement Tool User’s

Guide. Atmel Doc. P-ZBN-451~01

[10] ZigBee Specification. ZigBee Document 053474r17, October

19, 2007

[11] Serial asynchronous automatic dialing and control. ITU-T

Recommendation V.250, 05/99

[12] IEEE Std 802.15.4-2003 IEEE Standard for Information

technology – Part 15.4 Wireless Medium Access Control

(MAC) and Physical Layer (PHY) Specifications for Low-Rate

Wireless Personal Area Networks (LR-WPANs)

[13] TSL2550 Ambient Light Sensor With Smbus Interface. TAOS

Datasheet TAOS029E. February 2006

http://www.taosinc.com/images/product/document/tsl2550-

e67.pdf

[14] LM73 2.7V, SOT-23, 11-to-14 Bit Digital Temperature Sensor

with 2-Wire Interface. National Semiconductor Corporation

Datasheet DS201478. July 2006

http://www.national.com/pf/LM/LM73.html#Datasheet

[15] CP2102, Single-Chip USB to UART Bridge, Rev. 1.1 9/05.

www.silabs.com

[16] AVR Studio. User Guide. Available in HTML Help within the

product.

[17] JTAGICE mkII Quick Start Guide.

http://www.atmel.com/dyn/resources/prod_documents/doc2562

.pdf

[18] avr-libc Reference Manual 1.4.3

[19] WinAVR User Manual – 20070525/ By Eric B. Weddington

[20] Using the GNU Compiler Collection/ By Richard M. Stallman

and the GCC Developer Community

4 ATZB-EVB-XXX-XXX User Manual AVR-09-2011

Abbreviations and Acronyms

AC/DC Alternating Current / Direct Current converter

ADC Analog-to-Digital Converter

API Application Programming Interface

Channel Mask Channel mask is a number that defines the set of working channels

Coordinator Within ZigBee networks, the ZigBee coordinator is responsible for

starting the network and for choosing certain key network

parameters. The network may be extended through the use of

ZigBee router.

DIP Dual In-line Package

EEPROM Electrically Erasable Programmable Read-Only Memory

End device In ZigBee networks, the ZigBee end device provides sensor data

sent to a router. End device is often subject to power management

restrictions, so it may be in sleeping mode most of the time.

ESD Electrostatic Discharge

GPIO General Purpose Input/Output

GUI Graphical User Interface

HAL Hardware Abstraction Layer

I2C Inter-Integrated Circuit

IDE Integrated Development Environment

IEEE Institute of Electrical and Electronics Engineers

IRQ Interrupt Request

JTAG Digital interface for debugging of embedded devices, also known as

IEEE 1149.1 standard interface

LED Light Emitting Diode

LQI Link Quality Indicator

MAC Medium Access Control layer

MCU Microcontroller Unit. In this document, it also means the processor,

which is the core of ZigBit Amp module

MIPS Million Instructions per Second

NWK Network layer

5 ATZB-EVB-XXX-XXX User Manual AVR-09-2011

OEM Original Equipment Manufacturer

OTA Over-The-Air upgrade

PAN ID Personal Area Network Identifier. In ZigBee, it is 16-bit number which

must be unique for each one of multiple networks working on the

same frequency channel

PCB Printed Circuit Board

PHY Physical layer

RAM Random Access Memory

RF Radio Frequency

RISC Reduced Instruction Set Computing microprocessor

Router In ZigBee networks, routers transfer data and control messages

through the network using a hierarchical routing strategy. The ZigBee

coordinator is also responsible for routing.

RP-SMA Reversed Polarity Surface Mount Assembly

RS-232 Serial binary data interconnection interface, which is commonly used

in computer serial ports (COM ports)

RSSI Received Signal Strength Indicator

RTS/CTS Request to Send / Clear to Send

RX Receiver

SMA Surface Mount Assembly

SPI Serial Peripheral Interface bus

TTM Time To Market

TX Transmitter

UART Universal Asynchronous Receiver/Transmitter

UID Unique Identifier

USART Universal Synchronous/Asynchronous Receiver/Transmitter

USB Universal Serial Bus

VCP Virtual Com Port

WSN Wireless Sensor Network

ZDK ZigBit Development Kit

ZigBee,

ZigBee PRO

Wireless networking standards targeted at low-power sensor

applications [10]

6 ATZB-EVB-XXX-XXX User Manual AVR-09-2011

802.15.4 The IEEE 802.15.4-2003 standard applicable to low-rate wireless

Personal Area Networks [12]

2 Development Kit Overview

ZigBit™ Development Kit (ZDK) is a simple, out-of-the-box solution designed for full

range of WSN prototyping and development. It comes complete with ATZB-EVB

(MeshBean) development boards containing ZigBit modules and a variety of tools to

test the wireless network features and performance and to develop customized

wireless solutions based on BitCloud Software.

ZigBit Development Kit includes:

1. Any one type of ATZB-EVB (MeshBean) board (1 item) –

ATZB-EVB-24-SMA/ ATZB-EVB-900-SMA/ ATZB-EVB-24-

A2/ ATZB-EVB-A24-SMA/ ATZB-EVB-24-PCB

2. USB 2.0 A/mini-B cable (3 items)

3. Swivel antenna (1/2 wave antenna)

4. Software & Documentation Distribution CD (1 item).

3 Hardware General Specifications

ATZB-EVB (MeshBean) board is intended to evaluate the performance of a ZigBit

module. In turn, a ZigBit module with the embedded BitCloud software provides

wireless connectivity for ATZB-EVB (MeshBean) board, enabling it as a node in a

ZigBee network. MeshBeans also serve as a reference hardware platform for the

customer’s target devices utilizing ZigBit modules for wireless communication.

The ATZB-EVB (MeshBean) board can be configured to operate as a network

coordinator, a router or an end device, by setting of DIP switches (see Section 0)

and/or sending AT-commands. The node’s role is defined by the embedded

application.

The boards are delivered with ZigBit preprogrammed with Serial Bootloader and

WSNDemo application firmware. For full list of demo applications see Section 3.2.

Gerber files are available with Complete Support Package only.The ATZB-EVB

(MeshBean) basic parameters are presented in Table 1.

7 ATZB-EVB-XXX-XXX User Manual AVR-09-2011

Table 1. ATZB-EVB (MeshBean) Board Specifications

Parameter Value

Compliance 2.4 GHz IEEE 802.15.4-2003 [12]

Operating Band 2400–2483.5 MHz

TX Output Power from -17 dBm to +3 dBm

RX Sensitivity -101 dBm

RF Transceiver AT86RF230

Antenna versions 2.4 GHz (PCB on-board antenna,

external 50 Ohm unbalanced

antenna or dual chip antenna)

MCU

Microcontroller ATmega1281V

RAM 8K Bytes

Flash Memory 128K Bytes

EEPROM 4K Bytes

Performance Up to 4 MIPS throughput at 4 MHz

Clock

Power

Power Supply Dual AA type Battery, automatically

switched to USB or AC/DC adapter

Over-Voltage Protection Yes

Reverse Polarity Protection Yes

Operating Voltage Range 1.8...3.6 V

Voltage Supervisor Yes

Miscellaneous

Sensors Digital: Ambient Light/ Ambient Air

Temperature

8 ATZB-EVB-XXX-XXX User Manual AVR-09-2011

3 programmable color status LEDs

LED Indicators external power supply status LED

Switches 3 DIP switches

Buttons 2 programmable buttons

Size 60 x 63 x 24[1] mm

Operating Temperature

Range -40°C to 85°C. Minor degradation of

clock stability may occur beyond the

-20°C to +70°C range.

3.1 ATZB-EVB (MeshBean) Featured Components

ZigBit Module

ZigBit module is an ultra-compact, low-power, high sensitivity 2.4GHz

802.15.4/ZigBee OEM module from Atmel. ZigBit module is based on Atmel’s Z-Link

2.4GHz platform. It includes ATmega1281V Microcontroller and AT86RF230 RF

Transceiver.

In ZDK, every ZigBit module is delivered installed on a ATZB-EVB (MeshBean)

board. Two different versions of ZigBit modules are available [1]: a version with

balanced RF port for applications where the benefits of PCB or external antenna can

be utilized, and a version with dual chip antenna satisfying the needs of size-sensitive

applications.

Detailed specifications of the ZigBit module, including the module interfaces, voltage

levels, power consumption, are available in the ZigBit datasheet [1].

Sensors

The board incorporates light sensor TSL2550T from TAOS and temperature sensor

LM73CIMK from National Semiconductors. Both sensors are connected in parallel to

the I2C bus. For more information on the sensors see their datasheets [13], [14]

available from the corresponding manufacturers’ websites.

NOTE:

In addition to the built-in, onboard sensors, external sensors selected

by developer can be used. An external sensor can be connected to

the terminals of External interface cable leading to the onboard

Expansion slot. See the corresponding pinout in Table 2. As an

example, connection of an external sensor is illustrated in Application

Note [7].

USB to UART Bridge

CP2102, the USB to UART Bridge controller from Silicon Labs [15], is installed on the

board. It provides seamless USB interface to any RS-232 legacy device. If the

controller’s driver has been installed on PC during the deployment of the whole

Development Kit (see Section 4.3) the onboard USB port is visible on the PC as

generic COM port with a particular number.

Silicon Serial for UID storage

9 ATZB-EVB-XXX-XXX User Manual AVR-09-2011

UID (Unique Identifier) is HEX value, 8 bytes long. UID is used for setting unique

MAC address of the node.

UID is hardware defined value. It is programmed into a chip (Silicon Serial Number

DS2411R+ by Maxim/Dallas) at the factory.

UID is unique, and cannot be overwritten. In order to ensure the presence of UID on

the board it is required to execute Hardware Test application (see Section 4.7 for

details).

ATZB-EVB (MeshBean) Board Design

The ATZB-EVB (MeshBean) board contains the ZigBit module, which operates as

ZigBee/802.15.4 transceiver. It also includes sensors, buttons, DIP switches, and a

set of interfaces.

The board provides the following interfaces:

USB 2.0 port

Light and temperature sensors

2 push buttons controlling the software

Reset button

3 DIP switches

3 software-controlled LEDs

Symmetrical dipole PCB antenna (only for ATZB-EVB

(MeshBean) with PCB antenna)

SMA connector (only for ATZB-EVB (MeshBean) with

external antenna)

JTAG connector for software upload and debugging

Power connector (3 V) to use an AC/DC adapter (not

supplied with ZDK)

20-pin Expansion slot containing external ZigBit’s interfaces

(see Table ), including:

Serial port interface (RS-232)

USART

Buffered I2C interface with ESD protection and voltage

level translation

ADC/GPIO

Battery compartment for AA-size batteries

3 configuration jumpers

3 clamps for power consumption measurements.

Also, the board contains an internal voltage regulator to supply most of the

components with 3.6 V. This is needed if ZigBit’s MCU is to be run at 8 MHz.1.

NOTE:

Normally ZigBit module is powered directly by the batteries, USB or

AC/DC adapter (via protection circuitry); however, Jumper J2 (see

Table ) can switch ZigBit to 3.6 V supply.

See Figure 1 for the layout of ATZB-EVB (MeshBean) version with integrated PCB

antenna and the board’s functional diagram.

18MHz requires changes in the BitCloud Software that normally runs at 4 MHz in

order to extend the voltage range and decrease power consumption.

10 ATZB-EVB-XXX-XXX User Manual AVR-09-2011

Figure 1. ATZB-EVB (MeshBean) functional diagram

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