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E220-900T22S User Manual

868/915MHz 22dBm New Generation LoRa Wireless Module

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Содержание E220-900T22S

Страница 1: ...E220 900T22S User Manual 868 915MHz 22dBm New Generation LoRa Wireless Module ...

Страница 2: ...p the external MCU 10 5 6 2 Indication of wireless transmitting 10 5 6 3 Configuration procedure of module 11 5 6 4 Notes for AUX 11 6 Operating Mode 12 6 1 Mode Switching 12 6 2 Normal mode Mode 0 13 6 3 WOR sending mode Mode 1 13 6 4 WOR receiving mode Mode 2 13 6 5 Deep Sleep Mode Mode 3 13 7 Register Read and Write Control 14 7 1 Command Format 14 7 2 Register Description 14 7 3 Factory Defaul...

Страница 3: ...Chengdu Ebyte Electronic Technology Co Ltd E220 900T22S User Manual Copyright 2012 2020 Chengdu Ebyte Electronic Technology Co Ltd 2 14 Package for Bulk Order 22 Revision History 22 About us 22 ...

Страница 4: ...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 5: ... is 22 dBm 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 powe...

Страница 6: ...Hz 850 125 930 125 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 500kHz ...

Страница 7: ...Chengdu Ebyte Electronic Technology Co Ltd E220 900T22S User Manual Copyright 2012 2020 Chengdu Ebyte Electronic Technology Co Ltd 6 3 Size and Pin Definition ...

Страница 8: ... 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 power on self check initialization can be left floating 10 VCC Power supply...

Страница 9: ...logy Co Ltd 8 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 10: ...ngdu Ebyte Electronic Technology Co Ltd E220 900T22S User Manual Copyright 2012 2020 Chengdu Ebyte Electronic Technology Co Ltd 9 5 Function Description 5 1 Fixed Transmission 5 2 Broadcasting Transmission ...

Страница 11: ...heck 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 ...

Страница 12: ...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 13: ...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 14: ...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 15: ...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 16: ... 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 17: ...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 18: ...face of the E220 900T22S 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 configuration of the host computer the module address frequency channel network ID and key are all displayed in decimal mode the value range of each parameter Network address 0 65535 Frequency channel 0 83 Internet ...

Страница 19: ... 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 on the Top Layer it is also wrong to randomly route the wires on the Bottom Layer or other layers which will affect the stray and receiving sensitivity of the module to varying degrees Assuming that ...

Страница 20: ...utput 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 within the recommended power supply voltage If it exceeds the maximum value the module will be permanently damaged Please check the stability of the power supply and the voltage should not fluctuate grea...

Страница 21: ...b37 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 second max 3 second max Liquidous Temperature TL 183 217 Time tL Maintained Above TL 60 90 sec 30 90 sec Peak temperature Tp 220 235 230 250 Aveage ramp down rate Tp to Tsmax 6 second max 6 second max Time 25 to pea...

Страница 22: ...h excellent performance and reasonable prices Model No Type Frequency Hz Interface Gain dBi Height mm Feeder cm Features TX868 JZ 5 Rubber Antenna 868M SMA J 2 0 52 Ultra short straight omnidirectional antenna TX868 JK 20 Rubber Antenna 868M SMA J 3 0 210 Bendable rubber omnidirectional antenna TX868 XPL 100 Suction Antenna 868M SMA J 3 5 290 100 Small suction antenna cost effective TX915 JZ 5 Rub...

Страница 23: ...ion Issued by 1 0 2020 10 21 Original Version Li 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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