Ebyte E220-400T22S User Manual
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Ebyte E220-400T22S User Manual

433/470mhz 22dbm new generation lora wireless module
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E220-400T22S User Manual
433/470MHz 22dBm New Generation LoRa Wireless Module

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Summary of Contents for Ebyte E220-400T22S

  • Page 1 E220-400T22S User Manual 433/470MHz 22dBm New Generation LoRa Wireless Module...

  • Page 2: Table Of Contents

    EFLOW OLDERING EMPERATURE 11.2 R ............................. 18 EFLOW OLDERING URVE 12. RELATED MODELS............................18 13. ANTENNA RECOMMENDATION ........................18 14. PACKAGE FOR BULK ORDER ........................20 REVISION HISTORY...............................20 ABOUT US .................................. 20 Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 3 Chengdu Yibaite Electronic Technology Co., Ltd. does not guarantee that the content of this manual is completely free of errors, and all statements, information and Suggestions in this manual do not constitute any express or implied warranty. Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 4: Overview

    1. Overview 1.1 Introduction E220-400T22S is a new generation of LoRa wireless serial port module (UART), based on Semtech's original LLCC68 chip design. It has a variety of transmission methods, works in the (410.125 ～ 493.125MHz) frequency band (default 433.125MHz), LoRa spread spectrum technology, TTL level output, compatible with 3.3V and 5V IO...

  • Page 5: Specifications And Parameters

    Buffer 400 Byte Modulation LoRa New generation LoRa modulation technology Communication interface UART TTL Level Package Connector 1.27mm Size 16*26 mm Antenna IPEX/stamp hole 50 ohm impedance Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 6: Size And Pin Definition

    Used to indicate the working status of the module; Output The user wakes up the external MCU and outputs low level during power-on self-check initialization; (can be left floating) Power supply: 2.3~ 5.5V DC Ground Empty Pin Ground Empty Pin Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 7: Connect To Mcu

    The wireless serial port module is TTL level, please connect with TTL level MCU. For some MCU works at 5VDC, it may need to add 4-10K pull-up resistor for the TXD & AUX pin. Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 8: Function Description

    Chengdu Ebyte Electronic Technology Co., Ltd. E220-400T22S User Manual 5. Function Description 5.1 Fixed Transmission 5.2 Broadcasting Transmission Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 9: Broadcasting Address

    5.6.2 Indication of wireless transmitting Buffer empty: the data in the internal 400-byte buffer is written to the wireless chip (automatic sub-packaging);  When AUX=1, the user continuously initiates data less than 400 bytes without overflow; Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 10: Configuration Procedure Of Module

    FSK. For example, at 2.4kbps airspeed, the 100-byte transmission delay is about 1.5 seconds. It is recommended that customers do not transmit large amounts of data at low airspeeds. , So as to avoid communication abnormalities caused by data loss due to data accumulation. Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 11: Operating Mode

    This operation mode is very flexible and efficient, and is designed according to the user's MCU's operation convenience,  and can reduce the workload of the entire system as much as possible, improve system efficiency, and reduce power consumption. Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 12: Ormal Mode Ode 0

    When from the sleep mode to other modes, the module will reconfigure the parameters. During the configuration process, Note AUX will remain low; After configuration, it outputs high level, we suggest that user test rising edge T_BUSY. Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 13: Register Read And Write Control

    FF FF FF 7.2 Register Description Read Address Name Description Remark Write High byte and low byte of module address; Read/ ADDH ADDH（default 0） Write Note: When the module address is equal to FFFF, Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 14 Return: C1 + address + read length + read valid value; for example: send C0 C1 C2 C3 00 01 (address can only start Return C1 00 01 RSSI from 00) Reserve Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 15: Factory Default Parameter

    7.3 Factory Default Parameter Model Factory default parameter：C0 00 00 62 00 17 Model No. Frequency Address Channel Air Rate Baud Rate Serial Format Power E220-400T22S 433.125MHz 0x0000 0x17 2.4kbps 9600 22dbm Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 16: Configuration Instruction On Computer

    E220-400T22S User Manual 8. Configuration Instruction on Computer The following figure shows the display interface of the E220-400T22S 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.

  • Page 17: Faq

    If there is a metal object near the antenna or placed in a metal shell, the signal attenuation will be very serious;  The power register setting is wrong, the air speed setting is too high (the higher the air speed, the closer the distance);  Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 18: Module Is Easy To Damage

    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℃ Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 19: Reflow Soldering Curve

    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 performance and reasonable prices. Model No. Type Frequency Interface Gain Height Feeder Features Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 20 SMA-J TX433-XP-200 433M gain Suction Antenna SMA-J Big suction antenna, high gain TX433-XPH-300 433M Ultra-short straight, Rubber Antenna SMA-J TX490-JZ-5 470/490M omnidirectional antenna Small suction antenna, Suction Antenna SMA-J TX490-XPL-100 470/490M cost-effective Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 21: Package For Bulk Order

    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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