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Ebyte E220-900T22D - User Manual

Ebyte E220-900T22D
22 pages
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E220-900T22D User Manual
868/915MHz 22dBm LoRa Wireless Module
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Ebyte E220-900T22D Specifications

General IconGeneral
BrandEbyte
ModelE220-900T22D
CategoryWireless modules
LanguageEnglish

Summary

Disclaimer and copyright notice

The attention

Details concerning manual updates and warranty disclaimers.

1. Overview

1.1 Introduction

Introduces the E220-900T22D LoRa module and its core technology.

1.2 Features

Lists the key features and technical specifications of the module.

1.3 Application

Details the various applications and use cases for the module.

2. Specification and Parameter

2.1 Limit Parameter

Defines the absolute maximum and minimum operating parameters.

2.2 Operating Parameter

Lists the typical operating parameters like voltage, frequency, and current.

3. Size and Pin Definition

Pin Definition and Mechanical Size

Details the physical dimensions and pinout of the module.

4. Recommended Connection Diagram

Connection Details and MCU Interface

Illustrates how to connect the module to a microcontroller and provides connection notes.

5. Function Description

5.1 Fixed Transmission

Explains the point-to-point data transmission method.

5.2 Broadcasting Transmission

Describes the method for transmitting data to multiple receivers.

5.3 Broadcasting Address

Details how to set addresses for broadcast communication.

5.4 Monitor Address

Explains the configuration for monitoring all modules on a channel.

5.5 Reset

Describes the module's reset behavior and AUX pin indication.

5.6 AUX Description

Explains the functionality and status indications of the AUX pin.

5.6.1 Indication of UART Output

Shows timing diagrams for AUX pin indicating UART output.

5.6.2 Indication of Wireless Transmitting

Illustrates AUX pin behavior during wireless data transmission.

5.6.3 Configuration Procedure of Module

Details the module's configuration process during power-on or reset.

5.6.4 Notes for AUX

Provides important notes and considerations for using the AUX pin.

6. Operating Mode

Mode Switching

Explains how to switch between different operating modes using M1 and M0 pins.

6.2 Normal mode (Mode 0)

Describes the standard transmitting and receiving operation mode.

6.3 WOR sending mode (Mode 1)

Explains the Wake-on-Radio (WOR) transmitting mode.

6.4 WOR receiving mode (Mode 2)

Details the Wake-on-Radio (WOR) receiving mode.

6.5 Deep Sleep (Configuration) Mode (Mode 3)

Covers the low-power deep sleep and configuration mode.

7 Register Read and Write Control

7.1 Command Format

Defines the command structure for setting and reading module registers.

Register Description

Provides a detailed explanation of the module's configuration registers.

7.3 Factory Default Parameter

Lists the default factory settings for the module.

8. Configuration Instruction on Computer

Configuration Host Computer Interface

Guides users on using the configuration software and its parameter ranges.

9. Hardware Design

Power Supply and Grounding

Recommendations for stable power supply and proper grounding.

Electromagnetic Interference and Layout

Advice on minimizing EMI and optimizing PCB layout.

Antenna Installation

Guidelines for optimal antenna placement and connection.

10. FAQ

10.1 Communication range is too short

Discusses common reasons for limited communication range.

10.2 Module is easy to damage

Explains how to prevent damage to the module.

10.3 BER (Bit Error Rate) is high

Addresses issues causing high bit error rates.

11. Soldering Operation Guidance

11.1 Reflow Soldering Temperature

Provides temperature profiles for solder paste assembly.

11.2 Reflow Soldering Curve

Illustrates the temperature-time curve for reflow soldering.

12. Related Models

13. Antenna Recommendation

13.1 Antenna Recommendation

Recommends specific antennas for optimal module performance.

14. Package for Bulk Order

Revision History

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