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E220-400T22S User Manual

433/470MHz 22dBm New Generation LoRa Wireless Module

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Содержание E220-400T22S

Страница 1: ...E220 400T22S User Manual 433 470MHz 22dBm New Generation LoRa Wireless Module ...

Страница 2: ...cation of wireless transmitting 8 5 6 3 Configuration procedure of module 9 5 6 4 Notes for AUX 9 6 OPERATING MODE 10 6 1 MODE SWITCHING 10 6 2 NORMAL MODE MODE 0 11 6 3 WOR SENDING MODE MODE 1 11 6 4 WOR RECEIVING MODE MODE 2 11 6 5 DEEP SLEEP MODE MODE 3 11 7 REGISTER READ AND WRITE CONTROL 12 7 1 COMMAND FORMAT 12 7 2 REGISTER DESCRIPTION 12 7 3 FACTORY DEFAULT PARAMETER 14 8 CONFIGURATION INST...

Страница 3: ...he 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 mentioned herein are the property of their respective owners The right of final interpretation belongs to Chengdu Yibaite Electronic Technology Co LTD The attention The contents of this manual may c...

Страница 4: ... is 22dBm and the software is multi level adjustable Support users to set the communication key by themselves and it cannot be read which greatly improves the confidentiality of user data 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 power...

Страница 5: ...ency MHz 410 125 493 125 Support ISM band Power consum ption TX current mA 110 Instant power consumption 22dBm RX current mA 11 Sleep current μA 2 Software is shut down Max Tx power dBm 21 5 22 0 22 5 Receiving sensitivity dBm 129 124dbm BW_L 125kHz SF 7 LORATM 129dbm BW_L 125kHz SF 9 LORATM 121dbm BW_L 250kHz SF 7 LORATM 129dbm BW_L 250kHz SF 10 LORATM 117dbm BW_L 500kHz SF 7 LORATM 127dbm BW_L 5...

Страница 6: ...e grounded 6 M1 Input weak pull up Work with M0 to decide 4 working modes of module not suspended if not used could be grounded 7 RXD Input TTL UART inputs connects to external MCU PC TXD output pin 8 TXD Output TTL UART outputs connects to external RXD MCU PC input pin 9 AUX Output Used to indicate the working status of the module The user wakes up the external MCU and outputs low level during po...

Страница 7: ...n 18 NC Empty Pin 19 GND Ground 20 GND Ground 21 ANT Antenna 22 GND Ground 4 Connect to MCU No Brief description of the connection between the module and the MCU The picture above takes STM8L MCU as an example 1 The wireless serial port module is TTL level please connect with TTL level MCU 2 For some MCU works at 5VDC it may need to add 4 10K pull up resistor for the TXD AUX pin ...

Страница 8: ...ngdu Ebyte Electronic Technology Co Ltd E220 400T22S User Manual Copyright 2012 2020 Chengdu Ebyte Electronic Technology Co Ltd 7 5 Function Description 5 1 Fixed Transmission 5 2 Broadcasting Transmission ...

Страница 9: ...eck and sets the operating mode based on user s parameters During the process the AUX remains low level After the process completed the AUX outputs high level and starts to work as per the operating mode combined by M1 and M0 Therefore users need to wait the AUX rising edge as the start of module s normal work 5 6 AUX description AUX Pin can be used as indication for wireless send receive buffer a...

Страница 10: ...ny low level output condition AUX outputs low level if none of the low level condition is met AUX outputs high level 2 When AUX outputs low level it means the module is busy cannot conduct operating mode checking Within 1ms since AUX outputs high level the mode switch will be completed 3 After switching to new operating mode it will not work in the new mode immediately until AUX rising edge lasts ...

Страница 11: ...n is invalid the module will process all the user data before performing the new mode detection Therefore the general recommendation is to detect the output state of the AUX pin and switch after 2ms when the output is high 3 When the module is switched from other modes to sleep mode if the data has not been processed yet The module will process these data including receiving and sending before ent...

Страница 12: ...mitting Wireless data transmitting is turned on Receiving Wireless data reception is turned on 6 4 WOR receiving mode Mode 2 Type When M0 0 M1 1 the module works in mode 2 Transmitting Wireless transmission is off Receiving Wireless data reception is turned on 6 5 Deep Sleep Mode Mode 3 Type When M0 1 M1 1 the module works in mode 3 Transmitting Unable to transmit wireless data Receiving Unable to...

Страница 13: ...mmand C1 starting address parameters Response C1 starting address length parameters Example Read channel command starting address length parameter Send C1 05 01 Return C1 05 01 09 Example 2 Read module address serial port and airspeed at the same time Send C1 00 04 Return C1 00 04 12 34 00 61 3 Set Temporary Register Command C2 starting address parameters Response C1 starting address length parame...

Страница 14: ... 00 2 1 0 Air Data Rate bps The air rate of both parties must be the same The higher the air rate the smaller the delay and the shorter the transmission distance 0 0 0 Air Data Rate 2 4k 0 0 1 Air Data Rate 2 4k 0 1 0 Air Data Rate 2 4k default 0 1 1 Air Data Rate 4 8k 1 0 0 Air Data Rate 9 6k 1 0 1 Air Data Rate 19 2k 1 1 0 Air Data Rate 38 4k 1 1 1 Air Data Rate 62 5k 03H Read Write REG1 7 6 Sub...

Страница 15: ...able After enabling monitoring will be conducted before wireless data transmission which can avoid interference to a certain extent but may cause data delay The maximum stay time of LBT is 2 seconds and it will be issued forcibly when it reaches 2 seconds 0 Disable default 1 Enable 3 Reserve 2 1 0 WOR Cycle Only valid for mode 1 Cycle T 1 WOR 500ms the maximum is 4000ms the minimum is 500ms The lo...

Страница 16: ...range of each parameter Network address 0 65535 Frequency channel 0 83 Internet ID 0 255 Key 0 65535 9 Hardware Design It is recommended to use a DC stabilized power supply to supply power to the module The power ripple coefficient should be as small as possible and the module must be reliably grounded Please pay attention to the correct connection of the positive and negative poles of the power s...

Страница 17: ...isolation and shielding can be done Assuming that there are traces with large electromagnetic interference around the module high frequency digital high frequency analog power wiring it will also greatly affect the performance of the module According to the intensity of the interference it is recommended to stay away from the module Isolation and shielding Try to stay away from part of the physica...

Страница 18: ...the humidity during installation and use should not be too high and some components are humidity sensitive devices If there is no special requirement it is not recommended to use it at too high or too low temperature 10 3 BER Bit Error Rate is high There is co frequency signal interference nearby stay away from the interference source or modify the frequency and channel to avoid interference Unsat...

Страница 19: ...els Model No Chip Scheme Frequency Hz Tx power dBm Distance km Package Interface E220 400T30S LLCC68 433 470M 30 10 SMD TTL 13 Antenna Recommendation Antennas are an important role in the communication process and 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 pe...

Страница 20: ... Bend rubber omnidirectional antenna TX433 JK 11 Rubber Antenna 433M SMA J 2 5 110 Bendable rubber omnidirectional antenna TX433 JK 20 Rubber Antenna 433M SMA J 3 0 210 Bendable rubber omnidirectional antenna TX433 XPL 100 Suction Antenna 433M SMA J 3 5 185 100 Small suction antenna cost effective TX433 XP 200 Suction Antenna 433M SMA J 4 0 190 200 Middle suction antenna high gain TX433 XPH 300 Su...

Страница 21: ...on Issued by 1 0 2020 07 08 Original Version huaa 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 with any questions or suggestions info cdebyte com Official hotline 028 61399028 Web www ebyte com Address Building B5 Mould Industrial Park 199 Xiqu Ave High tech Zone Chengdu 611731 Sichuan China...

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