Ebyte E22-230T30D Manuale utente

E22-230T30D User Manual

SX1262 230MHz 1W LoRa Wireless Module

Chengdu Ebyte Electronic Technology Co.,Ltd. E22-230T30D User Manual

Contents

Disclaimer............................................................................................................................................................. 3

1 Introduction........................................................................................................................................................4

1.1 Brief Introduction........................................................................................................................................4

1.2 Features.......................................................................................................................................................4

1.3 Application Scenarios................................................................................................................................. 5

2 Specifications.....................................................................................................................................................5

2.1 Limit Parameters.........................................................................................................................................5

2.2 Working Parameters....................................................................................................................................5

3 Mechanical Dimensions and Pin Definitions.....................................................................................................7

4Recommended Connecting Diagram................................................................................................................8

5Function Details............................................................................................................................................9

5.1 Fixed Point Launch................................................................................................................................9

5.2 Broadcast Transmission.........................................................................................................................9

5.3 Broadcast Address............................................................................................................................... 10

5.4 Listening Address................................................................................................................................ 10

5.5 Module Reset.......................................................................................................................................10

5.6 AUX Explained................................................................................................................................... 10

5.6.1 Serial data output indication.................................................................................................................. 10

5.6.2 Wireless transmitting indication............................................................................................................ 11

5.6.3 Modules are in the process of being configured.................................................................................... 11

5.6.4 Cautions................................................................................................................................................. 11

6 Working mode................................................................................................................................................. 12

6.1 Mode Switching...................................................................................................................................13

6.2 General Mode (Mode 0)...................................................................................................................... 13

6.3 WOR Mode (Mode 1)..........................................................................................................................14

6.4 Configuration Mode (Mode 2)............................................................................................................ 14

6.5 Deep Sleep Mode (Mode 3).................................................................................................................14

7 Register Read/Write Control............................................................................................................................15

7.1 Command Format................................................................................................................................ 15

Chengdu Ebyte Electronic Technology Co.,Ltd. E22-230T30D User Manual

7.2 Register Description............................................................................................................................ 16

7.3 Factory Default Parameters................................................................................................................. 19

8 Use of Relay Networking Mode...................................................................................................................... 19

9 Host Computer Configuration Instructions......................................................................................................20

10 Hardware Design........................................................................................................................................... 21

11 Common Questions........................................................................................................................................22

11.1 Unsatisfactory transmission distance......................................................................................................22

11.2 Module is vulnerable to damage............................................................................................................. 22

11.3 BER is too high.......................................................................................................................................22

12 Welding Work Instruction............................................................................................................................. 23

12.1 Reflow Temperature............................................................................................................................... 23

12.2 Reflow Profile.........................................................................................................................................23

13 Related Models.............................................................................................................................................. 24

14 Antenna Recommendations........................................................................................................................... 24

15 Bulk Packaging.............................................................................................................................................. 25

Revision history.................................................................................................................................................. 25

About us.............................................................................................................................................................. 26

Chengdu Ebyte Electronic Technology Co.,Ltd. E22-230T30D User Manual

Disclaimer

EBYTE reserves all rights to this document and the information contained herein.

Products, names, logos and designs described herein may in whole or in part be

subject to intellectual property rights. Reproduction, use, modification or disclosure to

third parties of this document or any part thereof without the express permission of

EBYTE is strictly prohibited.

The information contained herein is provided “as is” and EBYTE assumes no

liability for the use of the information. No warranty, either express or implied, is given,

including but not limited, with respect to the accuracy, correctness, reliability and

fitness for a particular purpose of the information. This document may be revised by

EBYTE at any time. For most recent documents, visit www.ebyte.com.

Chengdu Ebyte Electronic Technology Co.,Ltd. E22-230T30D User Manual

1 Introduction

1.1 Brief Introduction

E22-230T30D is a new generation of LoRa wireless module, based on

the wireless serial port module (UART) of SEMTECH's SX1262 radio

frequency chip, with a variety of transmission methods, working in the

(220.125 ~ 236.125MHz) frequency band (default 230.125MHz), LoRa

spread spectrum technology , TTL level output, compatible with 3.3V and

5V voltage.

E22-230T30D adopts a new generation of LoRa spread spectrum technology. Compared with the traditional SX1276 solution, the

SX1262 solution has a longer transmission distance, faster speed, lower power consumption and smaller size; it supports air wake-up,

wireless configuration, carrier monitoring, automatic middle It supports functions such as follow-up and communication key, supports

sub-package length setting, and can provide customized development services.

1.2 Features

Based on SX1262, a new LoRa spread spectrum modulation technology is developed, which brings longer communication

distance and stronger anti-interference ability;

Support automatic relay networking, multi-level relay is suitable for ultra-long-distance communication, and multiple networks

run in the same area at the same time;

Support users to set the communication key by themselves, and it cannot be read, which greatly improves the confidentiality of

user data;

Support LBT function, monitor the channel environmental noise before sending, which can greatly improve the communication

success rate of the module in harsh environments;

Support RSSI signal strength indicator function for evaluating signal quality, improving communication network, and ranging;

Support wireless parameter configuration, send command data packets wirelessly, configure or read wireless module parameters

remotely;

Support air wake-up, that is, ultra-low power consumption, suitable for battery-powered applications;

Support fixed-point transmission, broadcast transmission, channel monitoring;

Support deep sleep, the power consumption of the whole machine in this mode is about 2uA;

Support 230MHz power frequency band, the penetration and diffraction ability is stronger than 433MHz;

The module has built-in PA+LNA, and the communication distance can reach 10km under ideal conditions;

The parameters are saved after power-off, and the module will work according to the set parameters after power-on again;

Efficient watchdog design, once an exception occurs, the module will restart automatically, and can continue to work according

to the previous parameter settings;

Support data transmission rate from 0.3k to 15.6kbps;

Support 3.3 ~ 5.5V power supply, more than 5V power supply can ensure the best performance;

Industrial-grade standard design, support long-term use at -40 ~ +85 ℃;

Chengdu Ebyte Electronic Technology Co.,Ltd. E22-230T30D User Manual

Dual antennas are optional (IPEX/stamp hole), which is convenient for secondary development and integration.

1.3 Application Scenarios

Home security alarm and remote keyless entry;

Smart home and industrial sensors, etc.;

Wireless alarm security system;

Building automation solutions;

Wireless industrial grade remote control;

healthcare products;

Advanced Meter Reading Architecture (AMI);

Automotive industry applications.

2 Specifications

2.1 Limit Parameters

Main parameters

Performance

Remarks

Minimum value

Maximum value

Supply voltage (V)

5.5

Permanent module burnout above 5.5V

Blocking Power (dBm)

Less probability of burnout with close use

Operating temperature (℃)

-40

+85

Industrial Grade

2.2 Working Parameters

Main parameters

Performance

Remarks

Minimum

value

Typical

values

Maximum

value

Operating voltage (V)

3.3

5.0

5.5

≥5.0V for guaranteed output power

Communication level (V)

3.3

Use of 5V TTL recommended plus level shift

Operating temperature (℃)

-40

+85

Industrial grade design

Operating frequency band

(MHz)

220.125

236.125

ISM band support

Power

consumption

Emission

current

(mA)

530

Instantaneous power consumption

Receiving

current

(mA)

Chengdu Ebyte Electronic Technology Co.,Ltd. E22-230T30D User Manual

Dormant

current (uA)

Software shutdown

Maximum transmit power

(dBm)

29.5

30.0

30.5

Receiving Sensitivity (dBm)

-146

-147

-148

Air speed 2.4kbps

Air Rate (bps)

0.3k

2.4k

15.6k

User-programmed control

Main parameters

Description

Remarks

Reference Distance

10km

Clear and open, antenna gain 5dBi, antenna height 2.5m, air rate 2.4kbps

Launch length

240 Byte

Packets of 32/64/128/240 bytes can be sent by command

Cache capacity

1000 Byte

Modulation method

LoRa

Next generation LoRa modulation technology

Communication Interface

UART serial

port

TTL level

Packaging method

SMD

Interface method

Stamp hole

Spacing 2.54mm

Dimension

25*40.5mm

RF Interface

IPEX/Stamp

Hole

Equivalent impedance about 50Ω

Chengdu Ebyte Electronic Technology Co.,Ltd. E22-230T30D User Manual

3 Mechanical Dimensions and Pin Definitions

Figure 3-1 Mechanical dimensions and pin definition

Table 3-1 Pin definition table

Pins

Serial

number

Pins

Name

Pin Orientation

Pin Usage

Input (very weak

pull-up)

Work with M1 to determine the 4 modes of operation of the module (not

suspended, can be grounded if not in use)

Input (very weak

pull-up)

Work with M0 to determine the 4 modes of operation of the module (not

suspended, grounded if not in use)

RXD

Input

TTL serial input, connected to the external TXD output pin.

TXD

Output

TTL serial output, connected to the external RXD input pin.

AUX

Output

Used to indicate the working status of the module; user wakes up the external

MCU and outputs low during power-on self-test initialization; (can be

suspended)

VCC

Input

Module power supply positive reference, voltage range: 3.0 to 5.5V DC

GND

Input

Module Ground

Fixing

hole

Fixing hole

Fixing

hole

Fixing hole

Chengdu Ebyte Electronic Technology Co.,Ltd. E22-230T30D User Manual

Fixing

hole

Fixing hole

4Recommended Connecting Diagram

Serial

number

Module and microcontroller brief connection instructions

(above diagram with STM8L microcontroller as an example)

The wireless serial module is TTL level, please connect with MCU of TTL level.

Some 5V microcontrollers may need to add 4~10K pull-up resistors to the TXD and AUX pins of the module.

Chengdu Ebyte Electronic Technology Co.,Ltd. E22-230T30D User Manual

5Function Details

5.1 Fixed Point Launch

5.2 Broadcast Transmission

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