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Ebyte E220-900T22S User Manual
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Ebyte E220-900T22S User Manual

Ebyte E220-900T22S User Manual

868/915mhz 22dbm new generation lora wireless module
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E220-900T22S User Manual
868/915MHz 22dBm New Generation LoRa Wireless Module

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Summary of Contents for Ebyte E220-900T22S

  • Page 1 E220-900T22S User Manual 868/915MHz 22dBm New Generation LoRa Wireless Module...
  • Page 2 10.2 Module is easy to damage.............................20 10.3 BER (Bit Error Rate) is high..........................20 11. Soldering Operation Guidance............................21 11.1 Reflow Soldering Temperature..........................21 11.2 Reflow Soldering Curve............................21 12. Related Models................................22 13. Antenna Recommendation..............................22 Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 3 Chengdu Ebyte Electronic Technology Co., Ltd. E220-900T22S User Manual 14. Package for Bulk Order..............................23 Revision History................................... 23 About us....................................23 Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 4 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 5 Ebyte can provide customized development services. Compared with the SX1262 scheme, this scheme has a high cost performance advantage. The product can cover an ultra-wide frequency range of 850～...
  • Page 6 Buffer 256 Byte Modulation LoRa/FSK New generation LoRa modulation technology Communication interface UART TTL Level Package Connector 1.27mm Stamp hole Size 16*26 mm Antenna IPEX/stamp hole 50 ohm impedance Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 7 Chengdu Ebyte Electronic Technology Co., Ltd. E220-900T22S User Manual 3. Size and Pin Definition Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 8 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~ 5.2V DC Ground Empty Pin Ground Empty Pin Empty Pin Empty Pin Empty Pin Empty Pin Ground Ground Antenna Ground Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 9 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 10 Chengdu Ebyte Electronic Technology Co., Ltd. E220-900T22S User Manual 5. Function Description 5.1 Fixed Transmission 5.2 Broadcasting Transmission Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 11 5.6.2 Indication of wireless transmitting Buffer empty: the data in the internal 256-byte buffer is written to the wireless chip (automatic sub-packaging);  When AUX=1, the user continuously initiates data less than 256 bytes without overflow; Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 12 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 13 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 14 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 15 Example 2: Configure module address (0x1234), network address (0x00), serial port (9600 8N1) and air data rate (2.4K) Send：CF CF C0 00 04 12 34 00 61 Return：CF CF C1 00 04 12 34 00 61 Wrong format responds Wrong Format FF FF FF Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 16 After enabling, you can send commands C0 C1 RSSI Ambient noise enable C2 C3 in transmission mode or WOR sending Disable（Default） mode to read registers; Register 0x00: Current environmental noise RSSI; Enable Register 0X01: RSSI when receiving data last Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 17 4000ms, the minimum is 500ms; 1500ms The longer the WOR monitoring interval period, the lower the average power consumption, but the 2000ms greater the data delay; 2500ms Both sender and receiver must agree (very 3000ms Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 18 22dbm 8. Configuration Instruction on Computer The following figure shows the display interface 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.
  • Page 19 Chengdu Ebyte Electronic Technology Co., Ltd. E220-900T22S User Manual Network address：0～65535 Frequency channel：0～83 Internet ID：0～255 Key：0～65535 Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 20 When the module is installed inside the case, a high-quality antenna extension cable can be used to extend the antenna to the  outside of the case; The antenna must not be installed inside the metal shell, which will greatly reduce the transmission distance.  Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 21 Unsatisfactory power supply may also cause garbled codes. Ensure the reliability of the power supply;  Poor or too long extension cables and feeders can also cause high bit error rates.  Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 22 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 peak temperature 6 minutes max 8 minutes max 11.2 Reflow Soldering Curve Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 23 Rubber Antenna 915M SMA-J omnidirectional antenna 915M SMA-J Bendable rubber, TX915-JK-11 Rubber Antenna omnidirectional antenna 915M SMA-J Bendable rubber, TX915-JK-20 Rubber Antenna omnidirectional antenna 915M Small suction antenna, TX915-XPL-100 Suction Antenna SMA-J cost-effective Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 24 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...