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Chengdu Ebyte Electronic Technology Co., Ltd.

E220-900T30D User Manual

Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co.,Ltd.

4

1. Overview

1.1 Introduction

E220-900T30D adopts a new generation of LoRa spread spectrum technology

and a wireless serial port module (UART) designed based on the LLCC68 chip

scheme. It has a variety of transmission methods, works in the (850.125

930.125MHz) frequency band (default 868.125MHz), TTL level output, compatible

with 3.3V and 5V IO port voltage.

E220-900T30D adopts a new generation of LoRa spread spectrum technology,

supports air wake-up, carrier monitoring, communication key and other functions,

supports sub-package length setting, and Ebyte provides customized development

services.

1.2 Features

The new LoRa spread spectrum modulation technology developed based on LLCC68, it brings a longer communication distance
and stronger anti-interference ability;

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 environment noise before sending, which greatly improves 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 air wakeup, that is, ultra-low power consumption function, suitable for battery-powered applications;

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

Support deep sleep, the power consumption of the whole machine is about 5uA in this mode;

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;

Efficient watchdog design, once an exception occurs, the module will automatically restart and continue to work according to the
previous parameter settings;

Support the data transmission rate of 2.4k

62.5kbps;

Support 3.0

5.5V power supply, power supply greater than 5V can guarantee the best performance;

Industrial standard design, supporting long-term use at -40

+85

;

SMA antenna interface.

1.3 Application

Home security alarm and remote keyless entry;

Smart home and industrial sensors;

Wireless alarm security system;

Building automation solutions;

Wireless industrial-grade remote control;

Advanced Meter Reading Architecture (AMI);

Automotive industry applications.

Содержание E220-900T30D

Страница 1: ...E220 900T30D User Manual 868 915MHz 30dBm LoRa Wireless Module...

Страница 2: ...erating Mode 11 6 1 Mode Switching 11 6 2 Normal mode Mode 0 12 6 3 WOR sending mode Mode 1 12 6 4 WOR receiving mode Mode 2 12 6 5 Deep Sleep Configuration Mode Mode 3 13 7 Register Read and Write Co...

Страница 3: ...e test data obtained in this paper are obtained by E Baite laboratory and the actual results may be slightly different It is hereby declared that all trade names trade marks and registered trade marks...

Страница 4: ...e 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 air w...

Страница 5: ...it may be burning down Operating temperature 40 85 Industrial design Operating frequency MHz 850 125 930 125 Support ISM band Power consumption TX current mA 620 Instant power consumption 30dBm RX cu...

Страница 6: ...M1 Input weak pull up Work with M0 to decide 4 working modes of module not suspended if not used could be grounded 3 RXD Input TTL UART inputs connects to external TXD output pin 4 TXD Output TTL UART...

Страница 7: ...ure 4 1 Recommended connection diagram Table 4 1 Description No Brief description of the connection between the module and the MCU the above figure uses the STM8L MCU as an example 1 The wireless seri...

Страница 8: ...Ltd E220 900T30D User Manual Copyright 2012 2020 Chengdu Ebyte Electronic Technology Co Ltd 8 5 Function Description 5 1 Fixed Transmission Figure 5 1 Fixed Transmission 5 2 Broadcasting Transmission...

Страница 9: ...d 5 5 Reset After the module is powered on AUX will immediately output low level perform hardware self check and set the working mode according to user parameters During this process AUX keeps low lev...

Страница 10: ...er is not empty the data in the internal 400 byte buffer has not been written to the wireless chip and the transmission is turned on At this time the module may be waiting for the end of the user data...

Страница 11: ...re four operating modes which are set by M1 and M0 the details are as follows Mode 0 3 M1 M0 Description Remark 0 Transmission Mode 0 0 UART and wireless channel are open transparent transmission is o...

Страница 12: ...pose of fast switching For example switching from the transmit mode to the receive mode the user MCU can also enter sleep before the mode switch and use the external interrupt function to acquire the...

Страница 13: ...we suggest that user test rising edge T_BUSY 7 Register Read and Write Control 7 1 Command Format In configuration mode mode 3 M1 1 M0 1 the supported command list is as follows when setting only 960...

Страница 14: ...When the module address is equal to FFFF it can be used as the broadcast and monitor address that is the module will not perform address filtering at this time 01H Read Write ADDL ADDL default 0 02H R...

Страница 15: ...art address read length Return C1 address read length read valid value for example send C0 C1 C2 C3 00 01 Return C1 00 01 RSSI address can only start from 00 0 Disable Default 1 Enable 4 3 2 Reserve 1...

Страница 16: ...1000ms 0 1 0 1500ms 0 1 1 2000ms 1 0 0 2500ms 1 0 1 3000ms 1 1 0 3500ms 1 1 1 4000ms 06H Write CRYPT _H Key high byte default 0 Write only read returns 0 Used for encryption to avoid interception of...

Страница 17: ...ay interface of the E220 900T30D configuration host computer The user can switch to the command mode through M0 and M1 and quickly configure and read the parameters on the host computer In the configu...

Страница 18: ...Top Layer of the contact part of the module all copper and Good grounding must be close to the digital part of the module and routed in the Bottom Layer Assuming that the module is soldered or placed...

Страница 19: ...tput The matching degree of the antenna and the module is poor or the quality of the antenna itself is problematic 10 2 Module is easy to damage Please check the power supply to ensure that it is with...

Страница 20: ...er Paste Sn63 Pb37 Sn96 5 Ag3 Cu0 5 Preheat Temperature min Tsmin 100 150 Preheat temperature max Tsmax 150 200 Preheat Time Tsmin to Tsmax ts 60 120 sec 60 120 sec Average ramp up rate Tsmax to Tp 3...

Страница 21: ...nd often inferior antennas will have a great impact on the communication system Therefore our company recommends some antennas as supporting our company s wireless modules with excellent performance a...

Страница 22: ...tion Issued by 1 0 2020 8 28 Original version About us Technical support support cdebyte com Documents and RF Setting download link www ebyte com Thank you for using Ebyte products Please contact us w...

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