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Chengdu Ebyte Electronic Technology Co., Ltd. E220-400T30S User manual

Copyright ©2012–

2018

，

Chengdu Ebyte Electronic Technology Co.,Ltd.

9

5 Function description

5.1 Fixed transmission

5.2 Broadcasting transmission

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Содержание E220-400T30S

Страница 1: ...E220 400T30S User Manual ...

Страница 2: ...5 6 2 Indication of wireless transmitting 11 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 TRANSMITTING MODE MODE 1 13 6 4 WOR RECEIVING MODE MODE 2 13 6 5 DEEP SLEEP MODE MODE 3 14 7 REGISTER READ AND WRITE CONTROL 14 7 1 COMMAND FORMAT 14 7 2 REGISTER DESCRIPTION 15 7 3 FACTORY DEFAULT PARAMETER 17 8 ...

Страница 3: ...ology Co Ltd E220 400T30S User manual 11 1 REFLOW SOLDERING TEMPERATURE 20 11 2 REFLOW SOLDERING CURVE 21 12 E220 SERIES 21 13 ANTENNA RECOMMENDATION 22 14 PACKAGE FOR BATCH ORDER 23 REVISION HISTORY 23 FCC STATEMENT 24 ABOUT US 24 ...

Страница 4: ...that cannot be read greatly improving the user data privacy Wireless parameters configuration sent via wireless instruction packet or read a wireless remote configuration module parameter Air wake up that is ultra low power consumption function suitable for a battery powered application solutions Supports fixed transmission radio transmission channel to monitor Supports the global license free ISM...

Страница 5: ...Voltage over 5 5V will cause permanent damage to module Blocking power dBm 10 Chances of burn is slim when modules are used in short distance Operating temperature 40 85 2 2 Operating parameter Main parameter Performance Remark Min Typ Max Operating voltage V 3 0 5 0 5 5 5 0 V ensures output power Communication level V 3 3 For 5V TTL it may be at risk of burning down Operating temperature 40 85 In...

Страница 6: ...4k 2 4k 62 5k Controlled via user s programming Distance for reference 10km Test condition clear and open area antenna gain 0dBi antenna height 2 5m air data rate 2 4kbps TX length 240 Byte Can be configured via command as 32 64 128 240 bytes per packet to transmit Buffer 256 Byte Modulation GFSK LoRa Communication interface UART TTL level Package SMD Connector 1 27 mm Size 40 5 25 mm Antenna IPEX...

Страница 7: ... 2 GND Ground 3 GND Ground 4 GND Ground 5 M0 Input weak pull up Work with M1 to decide 4 working modes of module not suspended if not used could be grounded 6 M1 Input weak pull up Work with M0 to decide 4 working modes of module not suspended if not used could be grounded 7 RXD Input TTL UART inputs connects to external MCU PC TXD output pin Can be configured as open drain or pull up input Ground...

Страница 8: ...dule s working status wakes up the external MCU During the procedure of self check initialization the pin outputs low level Can be configured as push pull output can be suspended 10 VCC Power supply 3 0 5 5V DC 11 GND Ground 12 NC Can be suspended 13 GND Ground 14 NC Can be suspended 15 NC Can be suspended 16 NC Can be suspended 17 NC Can be suspended 18 NC Can be suspended 19 GND Ground 20 GND Gr...

Страница 9: ... 400T30S User manual Copyright 2012 2018 Chengdu Ebyte Electronic Technology Co Ltd 8 4 Connect to MCU No Description STM8L MCU 1 The UART module is TTL level 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 400T30S User manual Copyright 2012 2018 Chengdu Ebyte Electronic Technology Co Ltd 9 5 Function description 5 1 Fixed transmission 5 2 Broadcasting transmission ...

Страница 11: ...e of monitor is realized 5 5 Reset When the module is powered AUX outputs low level immediately conducts hardware self check 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 t...

Страница 12: ...UART data of the module have been transmitted already perhaps the last packet of data is still in transmission 5 6 3 Configuration procedure of module Only happened when power on resetting or exiting sleep mode 5 6 4 Notes for AUX No Description 1 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 ou...

Страница 13: ...e module is idle after 1ms it can start working according to the new mode If the serial port data of the module has not been transmitted through the wireless the new working mode can be switched after the transmission is completed If the module receives the wireless data and transmits the data through the serial port it needs to finish transmission before switching the new working mode Therefore m...

Страница 14: ...ing 5 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 6 2 Normal mode Mode 0 Type M0 0 M1 0 Transmitting Users can input data through the serial port and the module will start wireless transmission Receivi...

Страница 15: ...at is supported when No Command format Description 1 Set register Command C0 starting address length parameters Response C1 starting address length parameters E g 1 Channel is 0x09 command starting address length parameter Send C0 05 01 09 Returen C1 05 01 09 E g 2 Configure module address 0x1234 network address 0x00 serial port 9600 8N1 and air data rate 2 4K Send C0 00 04 12 34 00 61 Return C1 0...

Страница 16: ...ADDH ADDH default 0 The module address is high byte and low byte Note When the module address is FFFF it can be used as the broadcast and monitor address that is the module will not perform address filtering 01H Read Wr ite ADDL ADDL default 0 02H Read Wr ite REG0 7 6 5 UART Serial port rate bps 000 1200 001 2400 010 4800 011 9600 default 100 19200 101 38400 110 57600 111 115200 4 3 Serial parity ...

Страница 17: ...ceiving end serial port will output the sub packet When enabled the C0 C1 C2 C3 command can be sent in the transmitting mode or WOR transmitting mode to read the register Register 0x00 Current ambient noise rssi Register 0X01 rssi when the data was received last time Current channel noise is dBm RSSI 2 Command format C0 C1 C2 C3 starting address read length Returns C1 address address read length r...

Страница 18: ...l and takes it as the wireless transmitting target Valid only for mode 1 1 In the receiving mode of WOR the module can modify the delay time after wake up the default time is 0 2 The receiving end needs to send the command C0 09 02 03 E8 in the configuration mode C0 is the write command 09 is the register starting address 02 is the length 03 E8 is the set delay the maximum FFFF is 65535ms set to 0...

Страница 19: ...the user can switch to the command mode through M0M1 and quickly configure and read the parameters on computer 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 Frequency channel 0 83 Network ID 0 255 Key 0 65535 9 Hardware design It is recommended to use a DC stabilized ...

Страница 20: ... that will greatly affect the performance It is recommended to keep them away from the module according to the strength of the interference If necessary appropriate isolation and shielding can be done Assume that there are traces with large electromagnetic interference high frequency digital high frequency analog power traces around the module that will greatly affect the performance of the module...

Страница 21: ...is within limited range some parts are sensitive to humidity Please avoid using modules under too high or too low temperature 10 3 BER Bit Error Rate is high There are co channel signal interference nearby please be away from interference sources or modify frequency and channel to avoid interference Poor power supply may cause messy code Make sure that the power supply is reliable The extension li...

Страница 22: ... 2 Reflow soldering curve 12 E220 series Model No Core IC Frequency Hz Tx power dBm Distance km Package Interface E220 900M30S SX1262 868 915M 30 11 SMD SPI E220 900M22S SX1262 868 915M 22 6 SMD SPI E220 400M30S SX1268 433 470M 30 11 SMD SPI E220 400M22S SX1268 433 470M 22 6 SMD SPI E220 900T30D SX1262 868 915M 30 10 DIP TTL E220 900T22D SX1262 868 915M 22 5 DIP TTL E220 400T30D SX1268 433 470M 30...

Страница 23: ...nidirectional TX433 JWG 7 Rubber antenna 433M SMA J 2 5 75mm Flexible omnidirectional TX433 JK 20 Rubber antenna 433M SMA J 3 210mm Flexible omnidirectional TX433 JK 11 Rubber antenna 433M SMA J 2 5 110mm Flexible omnidirectional TX433 XP 200 Sucker antenna 433M SMA J 4 19cm 200cm Sucker antenna high gain TX433 XP 100 Sucker antenna 433M SMA J 3 5 18 5cm 100cm Sucker antenna high gain TX433 XPH 30...

Страница 24: ...c Technology Co Ltd E220 400T30S User manual Copyright 2012 2018 Chengdu Ebyte Electronic Technology Co Ltd 23 14 Package for batch order Revision history Version Date Description Issued by 1 0 2020 07 08 Initial version Ken ...

Страница 25: ...ipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equi...

Страница 26: ...transmitter E220 400T30S has been approved by Federal Communications Commission to operate with the antenna types listed below with the maximum permissible gain indicated Antenna types not included in this list that have a gain greater than the maximum gain indicated for any type listed are strictly prohibited for use with this device Antenna No Operate frequency band Antenna Type Maximum antenna ...

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