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Chengdu Ebyte Electronic Technology Co., Ltd.

E22-230TXXS User manual

Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.

11

4. Connect to MCU

4.1 E22-230T22S

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Summary of Contents for E22-230TXXS

Page 1: ...Chengdu Ebyte Electronic Technology Co Ltd E22 230TXXS User manual Copyright 2012 2018 Chengdu Ebyte Electronic Technology Co Ltd 1 E22 230TXXS User Manual SX1262 230MHz LoRa Wireless Module ...

Page 2: ...S PINS 8 3 2 E22 230T30 33S PINS 9 4 CONNECT TO MCU 11 4 1 E22 230T22S 11 4 2 E22 230T30 33S 12 5 FUNCTION DESCRIPTION 12 5 1 FIXED TRANSMISSION 12 5 2 BROADCASTING TRANSMISSION 13 5 3 BROADCASTING ADDRESS 13 5 4 MONITOR ADDRESS 13 5 5 RESET 13 5 6 AUX DESCRIPTION 13 5 6 1 Indication of UART output 14 5 6 2 Indication of wireless transmitting 14 5 6 3 Configuration procedure of module 0 5 6 4 Note...

Page 3: ... DEFAULT PARAMETER 6 8 REPEATER NETWORKING MODE 6 9 CONFIGURATION INSTRUCTIONS ON COMPUTER 7 10 HARDWARE DESIGN 8 11 FAQ 9 11 1 COMMUNICATION RANGE IS TOO SHORT 9 11 2 MODULE IS EASY TO DAMAGE 9 11 3 BER BIT ERROR RATE IS HIGH 9 12 PRODUCTION GUIDANCE 9 12 1 REFLOW SOLDERING TEMPERATURE 9 12 2 REFLOW SOLDERING CURVE 10 13 E22 SERIES 10 14 ANTENNA RECOMMENDATION 11 15 PACKAGE FOR BATCH ORDER 11 REV...

Page 4: ...uction 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 fi...

Page 5: ...g and can provide customized development services 1 2 Features The new LoRa technology is developed based on SX1262 which brings a longer communication distance and stronger anti interference capability Automatic relay networking multi level relay is applicable to ultra long distance communication and multiple networks run in the same area at the same time Users can set their own communication key...

Page 6: ...d design support 40 85 C for working over a long time IPEX and stamp hole optional good for secondary development and integration 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 i...

Page 7: ...down TX current mA 122 530 990 Instant power consumption RX current mA 13 14 15 Sleep current uA 2 Software is shut down Operating temperature 40 85 Industrial design 2 3 Hardware parameter Main parameter E22 230T22S E22 230T30S E22 230T33S Remarks Size 16 26 mm 25 40 5mm 25 40 5mm TX length 240 Byte Sub packing 32 64 128 240 byte to send via command Buffer 1000 Byte Modulation LoRa New generation...

Page 8: ... Direction Function 1 NC N A 2 GND Module ground 3 NC N A 4 NC N A 5 NC N A 6 NC N A 7 NC N A 8 GND Module ground 11 GND Module ground 12 ANT Antenna high frequency signal output 50 ohm 13 GND Module ground 14 GND Module ground 15 GND Module ground 16 GND Module ground 19 GND Module ground 20 M0 Input weak Work with M1 to decide 4 working modes of module not suspended if not used could ...

Page 9: ...could be grounded 22 RXD Input TTL UART inputs connects to external MCU PC TXD output pin 23 TXD Output TTL UART inputs connects to external MCU PC RXD output pin 24 AUX Output Used to indicate the working state of the module The user wakes up the external MCU and outputs low level during power on self test initialization can be suspended 25 VCC Module power supply positive reference Power supply ...

Page 10: ...to external MCU PC RXD input pin 5 RXD Input TTL UART inputs connects to external MCU PC RXD output pin 6 M1 Input weak pull up Work with M1 to decide 4 working modes of module not suspended if not used could be grounded 7 M0 Input weak pull up Work with M0 to decide 4 working modes of module not suspended if not used could be grounded 11 ANT Output Antenna high frequency signal output 50 ohm 12 G...

Page 11: ...Chengdu Ebyte Electronic Technology Co Ltd E22 230TXXS User manual Copyright 2012 2018 Chengdu Ebyte Electronic Technology Co Ltd 11 4 Connect to MCU 4 1 E22 230T22S ...

Page 12: ...Chengdu Ebyte Electronic Technology Co Ltd E22 230TXXS User manual Copyright 2012 2018 Chengdu Ebyte Electronic Technology Co Ltd 12 4 2 E22 230T30 33S 5 Function description 5 1 Fixed transmission ...

Page 13: ... 0xFFFF or 0x0000 and the channel as 0x04 When module A is the receiver it can receive the data sent from all modules under channel 0x04 the purpose of monitor is realized 5 5 Reset When the module is powered AUX outputs low level immediately conducts hardware self check and sets the operating mode based on user s parameters During the process the AUX remains low level After the process completed ...

Page 14: ... transmitting Buffer empty the internal 1000 bytes data in the buffer are written to the RFIC Auto sub packaging When AUX 1 the user can input data less than 1000 bytes continuously without overflow Buffer not empty when AUX 0 the internal 1000 bytes data in the buffer have not been written to the RFIC completely If the user starts to transmit data at this circumstance it may cause overtime when t...

Page 15: ...y until AUX rising edge lasts for 2ms If AUX stays on the high level the operating mode switch can be effected immediately 4 When the user switches to other operating modes from mode 3 sleep mode or it s still in reset process the module will reset user parameters during which AUX outputs low level 6 Operating mode There are four operating modes which are set by M1 and M0 the details are as follow...

Page 16: ...tering sleep mode This feature can be used for fast sleep which saves power for example the transmitter module works in mode 0 the user transmits the serial port data 12345 and then does not have to wait for the AUX pin to be idle high level and can directly switch to sleep mode And the user s main MCU immediately sleeps the module will automatically transmit the user data through the wireless and...

Page 17: ... mode Mode 3 Type M0 1 M1 1 Transmitting Unable to transmit wireless data Receiving Unable to receive wireless data Note When from the sleep mode to other modes the module will reconfigure the parameters During the configuration process AUX will remain low After configuration it outputs high level we suggest that user test rising edge T_BUSY 7 Register read and write control 7 1 Command format In ...

Page 18: ...e module address 0x1234 network address 0x00 serial port 9600 8N1 and air data rate 1 2K Send C2 00 04 12 34 00 61 Return C1 00 04 12 34 00 61 5 Wireless configuration Command CF CF normal command Respond CF CF normal respond E g 1 Channel is 0x09 Command head command starting address length parameter Send CF CF C0 05 01 09 Returen CF CF C1 05 01 09 E g 2 Configure module address 0x1234 network ad...

Page 19: ...horter the distance 04H Read Wr ite REG1 7 6 Sub packet setting 00 240 bytes default 01 128 bytes 10 64 bytes 11 32 bytes 5 RSSI Ambient noise enable 1 Enable 0 Disable default 4 3 2 Reserve 1 0 Transmitting power 00 22dbm default 01 17dbm 10 13dbm 11 10dbm When the data is smaller than the sub packet length the serial output of the receiving end is an uninterrupted continuous output When the data...

Page 20: ...nction is enabled if the target address is not the module itself the module will forward it once In order to prevent data return back it is recommended to use it in conjunction with the fixed point mode That is the target address is different from the source address When enabled wireless data will be monitored before it is transmitted which can avoid interference to a certain extent but may cause ...

Page 21: ... the other mode from mode 3 sleep mode or during the reset process the module resets the user parameters during which the AUX outputs low level Repeater networking rules 1 Forwarding rules the repeater can forward data in both directions between two NETIDs 2 In repeater mode ADDH ADDL is no longer used as the module address and it is used as a NETID forwarding pairing flag Figure 1 Primary repeate...

Page 22: ...shows the E22 230T22S configuration host computer display interface the user can switch to the command mode through M0M1 and quickly configure and read the parameters on computer In the configuration on computer the module address frequency channel network ID and key are all in decimal mode The range of values of each parameter is Network address 0 65535 Frequency channel 0 64 Network ID 0 255 ...

Page 23: ...requency digital routing high frequency analog routing and power routing must be avoided under the module If it is necessary to pass through the module assume that the module is soldered to the Top Layer and the copper is spread on the Top Layer of the module contact part well grounded it must be close to the digital part of the module and routed in the Bottom Layer Assuming the module is soldered...

Page 24: ...se check the power supply source ensure it is in right range voltage higher than maximum value will damage the module Please check the stability of power source the voltage cannot fluctuate too much Please make sure antistatic measure are taken when installing and using high frequency devices have electrostatic susceptibility Please ensure the humidity is within limited range some parts are sensit...

Page 25: ...x 6 second max 6 second max Time 25 to peak temperature max 6 minutes max 8 minutes 12 2 Reflow soldering curve 13 E22 series Model No Core IC Frequency Hz Tx power dBm Distance km Package Size mm Interface E22 900T22S SX1262 868M 915M 22 7 SMD 16 26 UART E22 230T22S SX1262 230M 22 7 SMD 16 26 UART E22 400T22S SX1268 430M 470M 22 7 SMD 16 26 UART E22 400M30S SX1268 433M 470M 30 12 SMD 24 38 5 SPI ...

Page 26: ...rtant role in the communication process A good antenna can largely improve the communication system Therefore we recommend some antennas for wireless modules with excellent performance and reasonable price Model No Type Frequency Hz Interface Impedance ohm Height Cable length Function feature TX230 XPH 300 Sucker antenna 230M SMA J 50 74 5cm 300cm Car sucker antenna ultra high gain TX230 XP 200 Su...

Page 27: ...2 10 17 Initial version Yan About us Technical support support cdebyte com Documents and RF Setting download link https www cdebyte com Thank you for using Ebyte products Please contact us with any questions or suggestions info cdebyte com Official hotline 028 61399028 Web https www cdebyte com Address Building B5 Mould Industrial Park 199 Xiqu Ave High tech Zone Chengdu 611731 Sichuan China ...

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