Ebyte E22-400T30D Bedienungsanleitung
E22-400T30D User Manual
SX1268 433/470MHz 1W LoRa Module
CONTENTS
1. OVERVIEW.................................................................................................................................. 4
1.1 INTRODUCTION..............................................................................................................................................................4
1.2 FEATURES................................................................................................................................................................... 4
1.3 APPLICATION.................................................................................................................................................................5
2. SPECIFICATION AND PARAMETER.....................................................................................5
2.1 LIMIT PARAMETER........................................................................................................................................................ 5
2.2 OPERATING PARAMETER............................................................................................................................................... 5
3 SIZE AND PIN DEFINITION........................................................................................................ 7
4. CONNECT TO MCU...................................................................................................................... 8
5 FUNCTION DESCRIPTION.......................................................................................................... 9
5.1 FIXED TRANSMISSION....................................................................................................................................................9
5.2 BROADCASTING TRANSMISSION.................................................................................................................................... 9
5.3 BROADCASTING ADDRESS.............................................................................................................................................9
5.4 MONITOR ADDRESS.....................................................................................................................................................10
5.5 RESET......................................................................................................................................................................... 10
5.6 AUX DESCRIPTION..................................................................................................................................................... 10
5.6.1 Indication of UART output..................................................................................................................................
10
5.6.2 Indication of wireless transmitting.....................................................................................................................
11
5.6.3 Configuration procedure of module....................................................................................................................
11
5.6.4 Notes for AUX.....................................................................................................................................................
11
Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30D User Manual
6 OPERATING MODE.................................................................................................................... 12
6.1 MODE SWITCHING.......................................................................................................................................................12
6.2 NORMAL MODE（MODE 0）......................................................................................................................................13
6.3 WOR MODE（MODE 1）...........................................................................................................................................13
6.4 CONFIGURATION MODE（MODE 2）......................................................................................................................... 13
6.5 DEEP SLEEP MODE（MODE 3）................................................................................................................................. 14
7 REGISTER READ AND WRITE CONTROL............................................................................ 14
7.1 COMMAND FORMAT....................................................................................................................................................14
7.2 REGISTER DESCRIPTION.............................................................................................................................................. 15
7.3 FACTORY DEFAULT PARAMETER................................................................................................................................. 17
8 REPEATER NETWORKING MODE..........................................................................................18
9 CONFIGURATION INSTRUCTIONS ON COMPUTER......................................................... 19
10 HARDWARE DESIGN................................................................................................................20
11 FAQ................................................................................................................................................21
11.1 COMMUNICATION RANGE IS TOO SHORT...................................................................................................................21
11.2 MODULE IS EASY TO DAMAGE.................................................................................................................................. 21
11.3 BER(BIT ERROR RATE)IS HIGH.............................................................................................................................21
12 PRODUCTION GUIDANCE......................................................................................................21
12.1 REFLOW SOLDERING TEMPERATURE.........................................................................................................................21
12.2 REFLOW SOLDERING CURVE..................................................................................................................................... 22
Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30D User Manual
13 E22 SERIES..................................................................................................................................22
14 ANTENNA RECOMMENDATION........................................................................................ 23
15 PACKAGE FOR BATCH ORDER............................................................................................ 24
ABOUT US.........................................................................................................................................24
Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30D User Manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
4
1. Overview
1.1 Introduction
E22-400T30D is new lora module (UART) based on SEMTECH's
SX1268 RF chip. It has multiple transmission modes working at 410.125～
493.125MHz, LoRa spread spectrum technology, TTL level output, compatible with 3.3V and 5V IO port voltage.
Compared with SX1278 , SX1268 solution has a longer transmission distance, faster speed, lower power
consumption, and smaller size. It supports functions such as wake-up in the air, wireless configuration, carrier monitoring,
automatic repeater, and communication key, and packet length setting, customized development services are available.
1.2 Features
Based on SX1268 LoRa technology, it enables longer distance and better anti-interference ability.
Automatic relay networking, multi-stage relay is suitable for ultra-long distance communication, multiple networks
running in the same area are running simultaneously;
Users to set their own communication keys and cannot be read, which greatly improves the confidentiality of user
data;
RSSI for evaluating signal quality, improving communication network, and ranging;
With LBT for monitoring channel environmental noise before sending data, and for improving communication;
Wireless parameter configuration, send command data packets wirelessly, remotely configure or read wireless
module parameters;
Wake-on-air, that is, ultra-low power consumption function, suitable for battery-powered applications;
With fixed-point transmission, broadcast transmission, and channel monitoring;
Global license-free ISM 433MHz and 470Mhz for meter reading；
In deep sleep mode, power consumption is 2uA；
With PA+LNA, communication distance tested is up to 6 km；
The parameters are saved after power-off. After power-on, the module will work according to the set parameters.
High-efficiency watchdog design, once an exception occurs, the module will automatically restart and continue to
work according to the previous parameter settings;
Air date rate of 0.3kbps～62.5kbps;
3.3V~5.5V power supply, power supply over 5.0 V can guarantee the best performance；
Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30D User Manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
5
Industrial grade standard design, support -40 ~ 85 °C for working over a long time；
SMA-K interface for external antenna.
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；
Health care products；
Advanced Meter Reading Architecture(AMI)；
Automotive industry applications.
2. Specification and parameter
2.1 Limit parameter
Main parameter
Performance
Remark
Min.
Max.
Power supply（V）
0
5.5
Voltage over 5.5V will cause permanent
damage to module
Blocking power（dBm）
-
10
Chances of burn is slim when modules are
used in short distance
Operating temperature（℃）
-40
85
/
2.2 Operating parameter
Main parameter
Performance
Remark
Min.
Typ.
Max.
Operating voltage（V）
3.3
5.0
5.5
≥5.0 V ensures output power
Communication level（V）
3.3
For 5V TTL, it may be at risk of burning
down
Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30D User Manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
6
Operating temperature（℃）
-40
-
85
Industrial design
Operating frequency（MHz）
410.125
-
493.125
Support ISM band
Power
consumpti
on
TX current（mA）
610
Instant power consumption
RX current（mA）
17
Sleep current（uA）
2
Software is shut down
Max Tx power（dBm）
29.5
30.0
30.5
Receiving sensitivity（dBm）
-146
-147
-148
Air data rate is 2.4kbps
Air data rate（bps）
0.3k
2.4k
62.5k
Controlled via user’s programming
Main parameter
Description
Remark
Distance for reference
6km
Test condition：clear and open area, antenna gain: 5dBi，
antenna height: 2.5m，air data rate: 2.4kbps
TX length
240 Byte
Can be configured via command as 32/64/128/240 bytes
per packet to transmit
Buffer
1000 Byte
Modulation
LoRa
Communication interface
UART
Package
DIP
Connector
1*7*2.54mm
Size
24*43mm
Antenna
SMA-K
50 ohm impedance
Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30D User Manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
7
3 Size and pin definition
No.
Name
Direction
Function
1
M0
Input
（weak pull-up）
Work with M1 to decide 4 working modes of module (not suspended, if not
used, could be grounded).
2
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 (MCU, PC) TXD output pin. Can be
configured as open-drain or pull-up input. Ground
4
TXD
Output
TTL UART outputs, connects to external RXD (MCU, PC) input pin. Can be
configured as open-drain or push-pull output
5
AUX
Output
To indicate module ’ s working status & wakes up the external MCU. During the
procedure of self-check initialization, the pin outputs low level. Can be
configured as push-pull output (can be suspended).
Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30D User Manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
8
6
VCC
Input
Power supply ：3.3~ 5.5V DC
7
GND
Input
Ground
8
Fixed hole
Fixed hole
9
Fixed hole
Fixed hole
10
Fixed hole
Fixed hole
11
Fixed hole
Fixed hole
4. Connect to MCU
No.
Description（STM8L MCU）
1
The UART module is TTL level.
2
For some MCU works at 5VDC, it may need to add 4-10K pull-up resistor for the TXD & AUX pin.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30D User Manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
9
5 Function description
5.1 Fixed transmission
5.2 Broadcasting transmission
5.3 Broadcasting address
For example: Set the address of module A as 0xFFFF or 0x0000, and the channel as 0x04;
When module is the transmitter (transparent transmission), all modules under channel 0x04 will receive the data, the purpose of
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