Ebyte E22-400T30S User Manual
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Ebyte E22-400T30S User Manual

Sx1268 433/470mhz 1w smd wireless module
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E22-400T30S User Manual
SX1268 433/470MHz 1W SMD Wireless Module

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Summary of Contents for Ebyte E22-400T30S

  • Page 1 E22-400T30S User Manual SX1268 433/470MHz 1W SMD Wireless Module...

  • Page 2: Table Of Contents

    CONTENTS 1. OVERVIEW ............................. 3 1.1 I ......................................3 NTRODUCTION 1.2 F ........................................3 EATURES 1.3 A ......................................4 PPLICATION 1.4 F ..................................4 UNCTION INTRODUCTION 2. SPECIFICATION AND PARAMETER ....................5 2.1 L ..................................... 5 IMIT PARAMETER 2.2 O ..................................
  • Page 3 Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual 7.2 R ..................................16 EGISTER DESCRIPTION 7.3 F ................................18 ACTORY DEFAULT PARAMETER 8 REPEATER NETWORKING MODE ....................18 9 CONFIGURATION INSTRUCTIONS ON COMPUTER ..............19 10 HARDWARE DESIGN ........................20 11 FAQ ..............................

  • Page 4: Overview

    E22-400T30S User manual 1. Overview 1.1 Introduction E22-400T30S is a wireless serial port module (UART) based on SEMTECH's SX1268 RF chip. It has multiple transmission modes, LoRa spread spectrum technology, TTL level output, compatible with 3.3V and 5V IO port voltage.

  • Page 5: Application

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual 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； ⚫...

  • Page 6: Specification And Parameter

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual ⚫ Forward error correction: The module has FEC forward error correction algorithm, which has high coding efficiency and strong error correction capability. In the case of sudden interference, it can actively correct the interfered data packets, greatly improving reliability and transmission distance.
  • Page 7 Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual Main parameter Description Remark Test condition：clear and open area, antenna gain: Distance for reference 10000m 5dBi，antenna height: 2.5m，air data rate: 2.4kbps Can be configured via command as 32/64/128/240 TX length 1000 Btye...

  • Page 8: Size And Pin Definition

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual 3 Size and pin definition Name Direction Function Input Work with M1 to decide 4 working modes of module (not suspended, if （weak pull-up） not used, could be grounded). Input Work with M0 to decide 4 working modes of module (not suspended, if （weak pull-up）...

  • Page 9: Connect To Mcu

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual Input Power supply ：3.3~ 5.5V DC Input Ground Input can be suspended Input Ground Input can be suspended Input can be suspended Input/output can be suspended Input/output can be suspended Input/output...

  • Page 10: Function Description

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual Description（STM8L MCU） The UART module is TTL level. For some MCU works at 5VDC, it may need to add 4-10K pull-up resistor for the TXD & AUX pin. 5 Function description 5.1 Fixed transmission...

  • Page 11: Broadcasting Address

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual 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 broadcast is realized.

  • Page 12: Indication Of Wireless Transmitting

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual 5.6.2 Indication of wireless 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.

  • Page 13: Configuration Procedure Of Module

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual 5.6.3 Configuration procedure of module ⚫ Only happened when power-on resetting or exiting sleep mode 5.6.4 Notes for AUX Description For function 1 & function 2 mentioned above, the priority should be given to the one with low level output, which means if it meets each of any low level output condition, AUX outputs low level, if none of the low level condition is met, AUX outputs high level.

  • Page 14: Mode Switching

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual 6.1 Mode switching Remark ⚫ Users can combine M1 and M0 with high and low levels to determine the operating mode. Two GPIOs of the MCU can be used to control mode switching;...

  • Page 15: Wor Mode （Mode 1

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual 6.3 WOR mode（Mode 1） Type M0 = 1，M1 =0 Transmitting When defined as a transmitting party, a preamble is automatically added before transmitting. Receiving It can receive data normally, the receiving function is the same as mode 0.
  • Page 16 Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual Command format Description Command: C0+starting address+length+parameters Response: C1+starting address+length+parameters E.g 1: Channel is 0x09 command starting address length parameter Send: Set register Returen: C1 E.g 2: Configure module address (0x1234), network address (0x00), serial port (9600 8N1) and air data rate (1.2K).

  • Page 17: Register Description

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual 7.2 Register description Read or Address Name Description Remark write ⚫ Read/W ADDH（default 0） The module address is high byte and low byte. ADDH rite Note: When the module address is FFFF, it can be...
  • Page 18 Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual 00：30dbm（default） transmitting mode to read the register. 01：27dbm Register 0x00: Current ambient noise rssi 10：24dbm Register 0X01: rssi when the data was received last 11：21dbm time. （Current channel noise is: dBm =-RSSI/2）...

  • Page 19: Factory Default Parameter

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual 001：1000ms the greater the data delay ⚫ 010：1500ms Both the transmitter and the receiver must be the 011：2000ms（default） same (very important). 100：2500ms 101：3000ms 110：3500ms 111：4000ms ⚫ Key high byte (default 0）...

  • Page 20: Configuration Instructions On Computer

    9 Configuration instructions on computer ⚫ The following figure shows the E22-400T30S configuration host computer display interface, the user can switch to the command mode through M0M1, and quickly configure and read the parameters on computer. Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 21: Hardware Design

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual ⚫ 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...

  • Page 22: Faq

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual ⚫ The module should be as far away as possible from the power supply, transformers, high-frequency wiring and other parts with large electromagnetic interference.； ⚫ High-frequency digital routing, high-frequency analog routing, and power routing must be avoided under the module.

  • Page 23: Ber(Bit Error Rate) Is High

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual ⚫ 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.

  • Page 24: Reflow Soldering Curve

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual 12.2 Reflow soldering curve 13 E22 series Frequency Tx power Distance Size Model No. Core IC Package Interface E22-900T22S SX1262 868M 915M 16*26 UART E22-230T22S SX1262 230M 16*26 UART E22-400T22S SX1268...

  • Page 25: Antenna Recommendation

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual 14 Antenna recommendation The antenna is an important 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.

  • Page 26: Package For Batch Order

    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 ------------------------------------------------------------------------------------------------------------ Fax: 028-64146160 ext. 821 Web: www.ebyte.com Address: Innovation Center D347, 4# XI-XIN Road,Chengdu, Sichuan, China...
  • Page 27 Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.

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