Ebyte E22-230T30/33E, Manual

Page 1: ...0 E22 230T30 33E E22 400T30 33E SX1262 SX1268 230 400Mhz Mini PCIE interface 1W 2W LoRa wireless module...

Page 2: ...ADDRESS 10 5 5 MODULE RESET 10 5 6 DETAILED EXPLANATION OF AUX 10 5 6 1 Serial port data output indication 10 5 6 2 Wireless transmission indication 11 5 6 3 The module is being configured 11 5 6 4 M...

Page 3: ...24 10 HARDWARE DESIGN 25 11 FAQ 26 11 1 THE TRANSMISSION DISTANCE IS NOT IDEAL 26 11 2 THE MODULE IS EASILY DAMAGED 26 11 3 THE BIT ERROR RATE IS TOO HIGH 26 12 WELDING OPERATION INSTRUCTIONS 27 12 1...

Page 4: ...ument 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 informatio...

Page 5: ...ries products facilitating user development and use E22 230T30E E22 230T33E E22 400T30E E22 400T33E adopt a new generation of LoRa spread spectrum technology Compared with the traditional SX1278 solut...

Page 6: ...T30E and E22 230T33E support 230MHz power frequency band The module has built in PA LNA and the communication distance can reach 8km 12km under ideal conditions The parameters are saved after power of...

Page 7: ...er Programmable Control Measured distance 10km 16km In a clear and open environment the antenna gain is 5dBi the antenna height is 2 5 meters and the air rate is 2 4kbps RF parameters Value Remark E22...

Page 8: ...7 2g 0 5g 2 3 Electrical parameters Electrical parameters E22 230T30E E22 230T33E unit Remark Mini value Typical value Max value Mini value Typical value Max value Voltage 3 3 5 0 5 5 3 3 5 0 5 5 V 5...

Page 9: ...N 5 0V can guarantee the output power More than 5 5V burns the module permanently Note When the communication mode is USB the working voltage is 3 7 5 5 Communic ation level 3 3 3 3 IN Use of 5V TTL i...

Page 10: ...ine the 4 working modes of the module not floating if not used it can be grounded 4 GND power reference ground 5 M1 Input very weak pull up Cooperate with M0 to determine the 4 working modes of the mo...

Page 11: ...power reference ground 28 NC 29 GND power reference ground 30 NC 31 NC 32 NC 33 NC 34 GND power reference ground 35 GND power reference ground 36 USB_D input output D of other external USB devices 37...

Page 12: ...ller the above figure takes the STM8L microcontroller as an example 1 The wireless serial port module is TTL level please connect it with TTL level MCU 2 For some 5V microcontrollers it may be necessa...

Page 13: ...Chengdu Ebyte Electronic Technology Co Ltd E22 xxxTxxE User Manual Copyright 2012 2021 Chengdu Ebyte Electronic Technology Co Ltd 9 5 Models 5 1 Fixed model 5 2 Broadcast model...

Page 14: ...s powered on AUX will immediately output low level and perform hardware self test and set the working mode according to user parameters During this process AUX keeps low level and after the completion...

Page 15: ...into the wireless chip and the transmission is started At this time the module may be waiting for the end of user data to time out or it is transmitting wireless packets Note When AUX 1 it does not m...

Page 16: ...judge the new mode Enter a new mode task pull AUX high and complete the mode switch the maximum hardware mode switch time is about 35ms note that the mode switch time will vary between different modes...

Page 17: ...sleep mode or during the reset process the module will reset the user parameters during which AUX outputs low level 5 7 Detailed Explanation of Wireless Sending and Receiving Instructions It is used...

Page 18: ...wirelessly it can enter a new working mode only after the transmission is completed If the module receives the wireless data and sends out the data through the serial port it needs to send the data be...

Page 19: ...workload of the entire system as much as possible improve system efficiency and reduce power consumption 6 2 General Mode Mode 0 Type When M0 0 M1 0 the module works in mode 0 Emission Users can inpu...

Page 20: ...nfiguration mode mode 2 M1 1 M0 0 the list of supported commands is as follows when setting only 9600 and 8N1 formats are supported No command format Detailed description 1 set register Command C0 sta...

Page 21: ...0 62 5 wireless configuration Instructions CF CF regular instructions Response CF CF Regular Response Example 1 The wireless configuration channel is 0x09 Wireless instruction header instruction start...

Page 22: ...nication parties be the same 0 0 0 The serial port baud rate is 1200 0 0 1 The serial port baud rate is 2400 0 1 0 The serial port baud rate is 4800 0 1 1 The serial port baud rate is 9600 default 1 0...

Page 23: ...8 bytes 1 0 64 bytes 1 1 32 bytes 5 RSSI ambient noise enable After enabling the command C0 C1 C2 C3 can be sent in the transmission mode or WOR transmission mode to read the register Register 0x00 cu...

Page 24: ...is function WOR mode and sleep mode only support 9600 baud rate 1 0 transmit power The relationship between power and current is non linear and the power supply efficiency is the highest at maximum po...

Page 25: ...abled if the target address is not the module itself the module will start a forwarding In order to prevent data return it is recommended to use it in conjunction with the fixed point mode that is the...

Page 26: ...is added 2 1 0 WOR cycle Only valid for mode 1 Period T 1 WOR 500ms the maximum is 4000ms and the minimum is 500ms The longer the WOR monitoring interval period the lower the average power consumption...

Page 27: ...esses but are forwarded and paired corresponding to NETID respectively If one of the networks is received it will be forwarded to another network The repeater s own network ID is invalid 3 In relay mo...

Page 28: ...wo way relay Configure as shown in the figure the data sent by node 1 can be received by nodes 2 and 4 and the data sent by nodes 2 and 4 can also be received by node 1 9 PC Configuration Instructions...

Page 29: ...odule should be kept as far away as possible from parts with large electromagnetic interference such as power supply transformer and high frequency wiring High frequency digital traces high frequency...

Page 30: ...voltage of the power supply at room temperature is lower than the recommended value the lower the voltage the lower the power output The matching degree between the antenna and the module is poor or...

Page 31: ...max Liquidus temperature TL 183 C 217 C Hold time above TL 60 90 seconds 60 90 seconds Package peak temperature Tp Users should not exceed the temperature indicated on the product s Moisture Sensitiv...

Page 32: ...900M30S SX1262 868 915M 30 12 patch 24 38 5 SPI 14 Antenna Guide 14 1 Antenna Recommendation Antennas play an important role in the communication process and often inferior antennas will have a great...

Page 33: ...33M SMA J 6 0 965 300 Large suction cup antenna high gain TX490 JZ 5 Glue Stick Antenna 470 490M SMA J 2 0 50 Ultra short straight omnidirectional antenna TX490 XPL 100 Suction cup antenna 470 490M SM...