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Related Manuals for Ebyte E32-900T20D
Summary of Contents for Ebyte E32-900T20D
- Page 1 E32-900T20D User Manual SX1276 868MHz/915MHz DIP Wireless Module...
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Page 2: Table Of Contents
Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual Contents DISCLAIMER ............................2 ........................................4 EATURES OVERVIEW .............................5 1.1 I ....................................... 5 NTRODUCTION 2.SPECIFICATION AND PARAMETER ..................... 5 2.1 L ....................................5 IMIT PARAMETER 2.2 O ..................................6 PERATING PARAMETER 3 SIZE AND PIN DEFINITION ......................7 4 CONNECT TO MCU .......................... - Page 3 Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual 7.3 R ................................15 EADING VERSION NUMBER 7.4 R ....................................15 ESET COMMAND 7.5 P ..............................15 ARAMETER SETTING COMMAND 8 BASIC OPERATION ...........................18 8.1 H .....................................18 ARDWARE DESIGN 9 FAQ ................................. 19 9.1 C...
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Page 4: Disclaimer
E32-900T20D User Manual Disclaimer EBYTE reserves all rights to this document and the information contained herein. Products, names, logos and designs described herein may in whole or in part be subject to intellectual property rights. Reproduction, use, modification or disclosure to third parties of this document or any part thereof without the express permission of EBYTE is strictly prohibited. -
Page 5: Features
Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual Features Advanced LoRa modulation, with the advantage of long-distance anti-interference; Under ideal conditions, the communication distance can reach 5.5km, and the transmission distance is better than traditional GFSK; Fixed-point transmission, broadcast transmission, channel monitoring;... -
Page 6: Overview
20dBm transmitting power adopt industrial grade crystal oscillators to ensure the stability and consistency. E32-900T20D are widely applied in utility meters, IoT renovation, smart home, etc. The modules feature data encryption and compression. -
Page 7: Operating Parameter
Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual 2.2 Operating parameter Main parameter Performance Remark Typ. Max. Operating voltage（V） ≥5.0 V ensures output power Communication level（V） For 5V TTL, it may be at risk of burning down Operating temperature（℃）... -
Page 8: Size And Pin Definition
Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual 3 Size and pin definition Name Direction Function Input With M1, the four working modes of the module can be determined (it （weak pull-up） cannot be suspended, and it can be grounded if it is not used). -
Page 9: Connect To Mcu
Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual Fix hole Fix hole Fix hole 4 Connect to MCU 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. -
Page 10: Function Description
Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual 5 Function description 5.1 Fixed transmission 5.2 Broadcasting transmission 5.3 Broadcasting address For example: Set the address of module A as 0xFFFF or 0x0000, and the channel as 0x04; Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 11: Monitor Address
Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual When module is the transmitter (transparent transmission), all modules under channel 0x04 will receive the data, the purpose of broadcast is realized. 5.4 Monitor address For example: Set the address of module A as 0xFFFF or 0x0000, and the channel as 0x04;... -
Page 12: Indication Of Wireless Transmitting
Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual 5.6.2 Indication of wireless transmitting Buffer (empty): the internal 512 bytes data in the buffer are written to the RFIC (Auto sub-packaging). When AUX=1, the user can input data less than 512 bytes continuously without overflow. Buffer (not empty): when ... -
Page 13: Operating Mode
Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual 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: Normal Mode (Mode 0)
Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual immediately. Then the module will transmit all the data through wireless transmission & go dormancy 1ms later automatically, which reduces MCU working time & save power. Likewise, this feature can be used in any mode-switch. The module will start to work in new mode within 1ms after ... -
Page 15: Power-Saving Mode (Mode 2)
Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual Power-saving mode (mode 2) When M1 = 1 & M0 = 0, module works in mode 2 UART is closed, the module cannot receive any serial port data from outside MCU. -
Page 16: Default Parameters
Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual 7.1 Default parameters Default parameter values：：C0 00 00 1A 17 40 Transmitting power Model Frequency Address Channel Air data rate Baud rate Parity E32-900T20D 868MHz 0x0000 0x06 2.4kbps 9600 100mW 7.2 Reading operating parameters... - Page 17 Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual High address byte of module 00H-FFH ADDH （the default 00H） Low address byte of module 00H-FFH ADDL （the default 00H） UART parity bit 8N1 (default) UART mode can be different ...
- Page 18 Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual IO drive mode (default 1) This bit is used to the module internal pull-up resistor. It also TXD and AUX push-pull outputs, RXD pull-up inputs increases the level’s adaptability in case of open drain. But in TXD、AUX open-collector outputs, RXD open-collector...
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Page 19: Basic Operation
Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual consistent. For example, the starting frequency of the E32 915 series is 900Mhz. To communicate with this module, the value of the register (CHAN) numbered 4 should be 0x35. 8 Basic operation 8.1 Hardware design... -
Page 20: Faq
Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual 9 FAQ 9.1 Communication range is too short The communication distance will be affected when obstacle exists. Data lose rate will be affected by temperature, humidity and co-channel interference. ... -
Page 21: Reflow Soldering Curve
Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual 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）... -
Page 22: Package For Batch Order
Bug fixes About us Technical support: support@cdebyte.com Documents and RF Setting download link https://www.ru-ebyte.com Thank you for using Ebyte products! Please contact us with any questions or suggestions: info@cdebyte.com ------------------------------------------------------------------------------------------------------------ Fax: 028-64146160 Web: https://www.ru-ebyte.com Address: B5 Mould Park, 199# Xiqu Ave,Chengdu, Sichuan, China... - Page 23 Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
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