Ebyte E18 Series User manual

E18 V1.2 ZigBee Ad Hoc Module Chengdu Ebyte Electronic Technology Co., Ltd.

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E18 V1.2 Datasheet

( ZigBee Ad Hoc Module )

1. Module introduction……………..……………………………….....……………………………2

1.1 ZigBee introduction…………………………...……….....……..……….………………2

1.2 Feature………………….........………………………………......……………......……...2

1.3 Compatible products………………………..……........…………….…………………...4

1.4 Basic communication usage……………………………………………...………………4

2. Function introduction...…………………………………………………………………………..5

2.1 Pin diagram….........……………………………………………………………………...5

3. Quick start…................…………………………………………………………………………..6

3.1Network construction and comminication…….......……………...………………………6

4. User instruction………………………………...………………………………….…………....13

4.1 Networking part and notice……………………………………………….…………….13

4.2 Network structure………………………........………………………………………….14

5. About us…...........................……………………………………………………………………15

E18 V1.2 ZigBee Ad Hoc Module Chengdu Ebyte Electronic Technology Co., Ltd.

ALIBABA Store: www.cdebyte.en.alibaba.com Website：www.cdebyte.com/en

Focused &Professional! R&D for 2.4G, 915M, 868M, 780M, 490M, 433M, 315M, 230M and 170M Wireless module

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1. Module introduction ZigBee

1.1 ZigBee introduction ZigBee

ZigBee technology is a two-way wireless communication technology that features short range, low complexity,

low power, low speed and low cost.

There are three types of logical devices in the ZigBee network: Coordinator, Router, and End-Device. The ZigBee

network consists of a Coordinator and multiple routers and End-Devices.

These devices own the following functions:

（1）Coordinator

As the first device in the network, the coordinator is responsible for starting the entire network. . The

coordinator selects a channel and a network ID (also known as the PAN ID, the Personal Area Network ID), and then

starts the entire network.

Coordinators can also be used to help establish bindings between security layer and application layer in the

network.

Note that the role of the coordinator mainly involves the network startup and configuration. Once these are

done, the coordinator works like a router (or disappears /go away). Due to the distribution characteristics of the

ZigBee network itself, the operation of the entire network is not dependent on the existence of the coordinator.

（2）Router

The main functions of the router: to allow other devices to join the network, multi-hop routing and to assist

communication of its own battery-powered son node end-devices.

Typically, the router is expected to remain active, so it must use the main power supply. However, when using

the tree group network mode, it allows the routing operate once at an interval of a certain cycle, so battery can be

used for power supply.

（3）End-Device

The end-device does not have a specific responsibility for maintaining the network structure, it can sleep or

wake up, so it can be a battery-powered device.

1.2 Feature ZigBee

No.

Feature

Description

Role switch

Users can switch freely between the coordinator, router and end device via UART

command.

Automatic

networking

Support power-on automatic networking. The coordinator automatically sets up

the network, the end device and the router automatically searches and joins the

network.

Network

self-healing

Automatically reconnect when losing network. When intermediate node in

network is lost, other networks automatically join or maintain the original

network. (Isolated nodes automatically join the original network, non-isolated

nodes maintain the original network.)

When the coordinator is lost and non-isolated nodes exist in the original

network, the coordinator can join the network again or coordinator of the

original network PAN_ID set by the same user join the original network.

E18 V1.2 ZigBee Ad Hoc Module Chengdu Ebyte Electronic Technology Co., Ltd.

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Ultra low power

consumption

The device can be set as low power mode in the end state. Sleep time of the

device can be changed according to the user's using time. The standby power

consumption in the low power mode is less than 2uA. In the father node data

storage time, all messages can be received within the time set by users.

Configuration for

data storage time

When device is in the coordinator and router state, the user can set their own

data storage time, and work with end device in sleep mode to save data for the

end device, and sent data to the end device when it wakes up.

Data saved is up to 3 data packets, if exceeded, it will automatically clear the first

data! After the data is saved, the data heap is automatically cleared.

Automatic

retransmission

In unicast mode, the device will automatically retransmit when failed to send to

next node, and the number of retransmission per message is three.

Automatic

routing

The module supports network routing. Router and coordinator have network

data routing function, users can conduct multi-hopping networking.

Support

encryption

protocol

The module uses AES 128 bit encryption function, can change the network

encryption and prevent monitoring. Users can change the network key by

themselves. Only devices with the same network key can start normal

networking communication.

Support UART

configuration

Module has built-in UART commands, the user can configure (view) the

parameters and functions of module via UART command .

Communication

for various types

of data

Support broadcasting, multicasting and unicasting in the entire network. In the

broadcast and unicast mode, it also supports several transmission methods,

please refer to <E18 v1.2 communication protocol> for the details.

Change channel

It supports change of 16 channels ranging from 11 to 26（2405~2480MHZ ）,

different channels have different frequency.

Change network

PAN_ID

Free switch of network PAN_ID. Users can define PAN_ID to join the

corresponding network by themselves or automatically select PAN-ID to join the

network.

Change UART

baud rate

Users can set baud rate by themselves which can be as high as 1M, it is 8 bits by

default without parity bit.

Search short

address

Users can find out corresponding short address according to the (unique and

fixed) MAC address of module that already joined network.

Gpio control

Local/remote gpio control function，there are 10 gpio for users to select.

Pwm control

Local/remote pwm control function ， there are 5 pwm channels for users to

select.

Adc control

Read local/remote adc，there are 7 adc channels for users to select.

Command format

switch

The module supports AT command and HEX command for users’ easy

configuration and switch. The physical location is P1.6.

Module restore

Users can restore the module via UART commands.

Onekey recovery

of baud rate

The module supports onekey recovery of baud rate when users forget the baud

rate. The baud rate is 115200(default), physical location is P1.7.

Recover factory

setting

Users recover the factory setting via UART commands.

Notes：see more in <E18 v1.2 communication protocol>

E18 V1.2 ZigBee Ad Hoc Module Chengdu Ebyte Electronic Technology Co., Ltd.

ALIBABA Store: www.cdebyte.en.alibaba.com Website：www.cdebyte.com/en

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1.3 Compatible products ZigBee

No.

Model

RF IC

Frequency

（Hz）

Air data

rate（bps）

Power

（dBm）

Antenna type

E18-MD0-PCB

CC2530

2.4G

250K

PCB

E18-MD0-IPX

CC2530

2.4G

250K

IPEX

E18-MS1-PCB

CC2530

2.4G

250K

PCB

E18-MS1- IPX

CC2530

2.4G

250K

IPEX

E18-MS1PA1-PCB

CC2530

2.4G

250K

PCB

E18-MS1PA-IPX

CC2530

2.4G

250K

IPEX

★ E18 modules are compatible with each other with different power when software debugging is completed ★

1.4 Basic communication usage Zigbee

No.

Using mode

Description

Broadcast

When joining the network, the user can broadcast according to the commands

in the whole network (which can be divided into three broadcast modes)

1, Broadcast Mode 1 - The message is broadcasted to all devices in the entire

network.

2, broadcast mode 2 - the message is broadcasted only to receiving devices

(except sleep mode).

3, broadcast mode 3 - the message is broadcasted to all full-functional devices

(router and coordinator).

Multicast

When joining the network, the user can multicast all the devices (not in sleep)

in the entire network .

Unicast

When joining the network, the user can independently communicate with the

devices in the network in a short address mode according to the commands

(which can be divided into three broadcast modes)

1, transparent transmission mode - (no carrying information)

2, short address mode - (carry information for the short address)

3, MAC address mode - (carry information for the MAC address)

Notes：see more in <E18 v1.2 communication protocol>

E18 V1.2 ZigBee Ad Hoc Module Chengdu Ebyte Electronic Technology Co., Ltd.

ALIBABA Store: www.cdebyte.en.alibaba.com Website：www.cdebyte.com/en

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2. Function description ZigBee

2.1 Pin diagram ZigBee

Peripheral function pin table

Pin No.

Function indication

Description (reuse function pin can only be defined as the

function rectified for the last time)

Input/Output

P0_0

GPIO0/ADC0

User controlled function pin GPIO0/ADC0

I/O

P0_1

GPIO1/ADC1

User controlled function pin GPIO1/ADC1

I/O

P0_2

GPIO2/ADC2/PWM0

User controlled function pin GPIO2/ADC2/PWM0

I/O

P0_3

GPIO3/ADC3/PWM1

User controlled function pin GPIO3/ADC3/PWM1

I/O

P0_4

GPIO4/ADC4/PWM2

User controlled function pin GPIO4/ADC4/PWM2

I/O

P0_5

GPIO5/ADC5/PWM3

User controlled function pin GPIO5/ADC5/PWM3

I/O

E18 V1.2 ZigBee Ad Hoc Module Chengdu Ebyte Electronic Technology Co., Ltd.

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P0_6

GPIO6/ADC6/PWM4

User controlled function pin GPIO6/ADC6/PWM4

I/O

P2_0

GPIO7

User controlled function pin GPIO7

I/O

P2_1

GPIO8

User controlled function pin GPIO8

I/O

P2_2

GPIO9

User controlled function pin GPIO9

I/O

P1_2

NWK_LED

To indicate module network joining state, low level

means that module joins network, high level means

no network.

P1_3

RUN_LED

To indicate module works normally, low level means

that module works normally, high level means module

does not work.

P1_6

AT_HEX_KEY

To switch AT command and HEX command, low level

means HEX command mode, high level means AT

command mode（default）.

P1_7

UART_BAUD_RESET

To reset baud rate, when users forget or do not know

the baud rate use this button to restore factory setting

（115200）（valid for falling edge）.

P1_4

UART0_RX

UART RX pin

P1_5

UART0_TX

UART TX pin

3.Quick start ZigBee

The ZigBee ad hoc network module is easy to use. In order to allow users to be quickly familiar with modules,

this section will guide users to achieve configuration and communication in various modes via a simple configuration.

The user can pull down the P1.6 pin and conduct the HEX instruction set. In order to facilitate observation of the

host computer , the experiment will use HEX command format, AT command users do not test in this test. (AT

command can not be used for the configuration of host computer. )

In addition, the user can use the external microcontroller (MCU) instead of test board directly to connect with

module for UART command communication to achieve secondary development.

3.1 Network construction and communication ZigBee

No.

Notes

【Construct network】：

①.Connect Zigbee ad hoc module via USB to UART converter.

② .Open host computer software “ Zigbee_Setting_V1.1 ” , select Com port and set baud rate as

115200(default), then open port;

E18 V1.2 ZigBee Ad Hoc Module Chengdu Ebyte Electronic Technology Co., Ltd.

ALIBABA Store: www.cdebyte.en.alibaba.com Website：www.cdebyte.com/en

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③.Click read parameter to read corresponding module parameter.

④.Select node type as coordinator, write in parameter. Wait the coordinator to start constructing

network and users can check module parameter.

Set network parameter：（when PAN ID is FFFF, it is automatic PAN ID）

E18 V1.2 ZigBee Ad Hoc Module Chengdu Ebyte Electronic Technology Co., Ltd.

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Read parameter when network is constructed：

⑤.Select another module, set it as the router or end device following the same steps (module is set as

end device when leave factory (default),no need to set again, in this experiment it is end device )。

E18 V1.2 ZigBee Ad Hoc Module Chengdu Ebyte Electronic Technology Co., Ltd.

ALIBABA Store: www.cdebyte.en.alibaba.com Website：www.cdebyte.com/en

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【Communication test】：

①.Click “fixed networking”of the coordinator and end device of the host computer. Corresponding

info. is available to be viewed.

Coordinator：

End device：

E18 V1.2 ZigBee Ad Hoc Module Chengdu Ebyte Electronic Technology Co., Ltd.

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②. For users’ convenience to observe, in this experiment it is HEX transmitting mode.

If the device address is unknown, please input corresponding mac address and click get network

address. The short address of coordinator is 0.

③.Input random content in these 3 modes, click start.

Transparent transmission：

From coordinator to end device：

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