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Chengdu Ebyte Electronic Technology Co.,Ltd.

E22-230T22D User Manual

Copyright ©2012–2021

，

Chengdu Ebyte Electronic Technology Co.,Ltd.

14

7 Register Read/Write Control

7.1 Command Format

The list of supported commands in configuration mode (mode 2: M1=1, M0=0) is as follows (when set, only 9600, 8N1 format is
supported).

Serial
number

Command
Format

Detailed description

1

Set register

Instruction: C0+start parameter
Response: C1 + start a  parameters

Example 1: Configure the channel as 0x09
Instruction Start Address Length Parameter
Send: C0 05 01 09
Return: C1 05 01 09

Example 2: Configure the module address (0x1234), network address (0x00), serial port (9600
8N1), and air speed (1.2K) at the same time
Send: C0 00 04 12 34 00 61
Return: C1 00 04 12 34 00 61

2

Read register

Instruction: C1+start length
Response: C1 + start a  parameters

Example 1: Reading the channel
Instruction Start Address Length Parameter
Send: C1 05 01
Return: C1 05 01 09

Example 2: Simultaneous reading of module address, network address, serial port, airspeed
Send: C1 00 04
Return: C1 00 04 12 34 00 61

3

Set

temporary

register

Instruction: C2 + start a  parameters
Response: C1 + start a  parameters

Example 1: Configure the channel as 0x09
Instruction Start Address Length Parameter
Send: C2 05 01 09
Return: C1 05 01 09

Example 2: Configure the module address (0x1234), network address (0x00), serial port (9600
8N1), and air speed (1.2K) at the same time
Send: C2 00 04 12 34 00 61

Содержание E22-230T22D

Страница 1: ...E22 230T22D User Manual SX1262 230MHz 160mW LoRa Wireless Module ...

Страница 2: ...ecommended Connecting Diagram 7 5 Function Details 8 5 1 Fixed Point Launch 8 5 2 Broadcast Transmission 9 5 3 Broadcast Address 9 5 4 Listening Address 9 5 5 Module Reset 9 5 6 AUX Explained 9 5 6 1 Serial data output indication 10 5 6 2 Wireless transmitting indication 10 5 6 3 Modules are in the process of being configured 10 5 6 4 Cautions 11 6 Working mode 11 6 1 Mode Switching 12 6 2 General...

Страница 3: ...lay Networking Mode 18 9 Host Computer Configuration Instructions 19 10 Hardware Design 20 11 Common Questions 21 11 1 Unsatisfactory transmission distance 21 11 2 Module is vulnerable to damage 21 11 3 BER is too high 21 12 Welding Work Instruction 21 12 1 Reflow Temperature 21 12 2 Reflow Profile 22 13 Related Models 22 14 Antenna Recommendations 23 15 Bulk Packaging 24 Revision history 24 About...

Страница 4: ...duction use modification or disclosure to third parties of this document or any part thereof without the express permission of EBYTE is strictly prohibited The information contained herein is provided as is and EBYTE assumes no liability for the use of the information No warranty either express or implied is given including but not limited with respect to the accuracy correctness reliability and f...

Страница 5: ...oves the confidentiality of user data Support LBT function to listen to the channel environment noise before transmitting which can greatly improve the communication success rate of the module in harsh environment Support RSSI signal strength indication function for evaluating signal quality improving communication network ranging Support wireless parameter configuration send command packets via w...

Страница 6: ...ormance Remarks Minimum value Maximum value Supply voltage V 0 5 5 Permanent module burnout above 5 5V Blocking Power dBm 10 Less probability of burnout with close use Operating temperature 40 85 Industrial Grade 2 2 Working Parameters Main parameters Performance Remarks Minimum value Typical values Maximum value Operating voltage V 2 3 5 0 5 5 3 3V for guaranteed output power Communication level ...

Страница 7: ... Description Remarks Reference Distance 5km Clear and open antenna gain 5dBi antenna height 2 5m air rate 2 4kbps Launch length 240 Byte Packets of 32 64 128 240 bytes can be sent by command Cache capacity 1000 Byte Modulation method LoRa Next generation LoRa modulation technology Communication Interface UART serial port TTL level Packaging method SMD Interface method 1 27mm Dimension 16 26 mm RF ...

Страница 8: ... use 3 RXD Input TTL serial input connected to the external TXD output pin 4 TXD Output TTL serial output connected to the external RXD input pin 5 AUX Output Used to indicate the working status of the module user wakes up the external MCU and outputs low during power on self test initialization can be suspended 6 VCC Input Module power supply positive reference voltage range 3 0 to 5 5V DC 7 GND ...

Страница 9: ... Ltd E22 230T22D User Manual Copyright 2012 2021 Chengdu Ebyte Electronic Technology Co Ltd 8 2 Some 5V microcontrollers may need to add 4 10K pull up resistors to the TXD and AUX pins of the module 5 Function Details 5 1Fixed Point Launch ...

Страница 10: ...hen module A acts as a receiver it can receive all the data under 0x04 channel for the purpose of listening 5 5Module Reset Immediately after the module is powered up the AUX will output a low level and perform a hardware self test as well as set the operating mode according to user parameters During this process AUX is kept low and when it is finished AUX outputs high and starts to work normally ...

Страница 11: ...he data in the internal 1000 byte buffer all written to the wireless chip automatic packet splitting When AUX 1 the user initiates less than 1000 bytes of data continuously without overflow Buffer is not empty when AUX 0 the data in the internal 1000 byte buffer has not yet been fully written to the wireless chip and turned on to transmit at which time the module may be waiting for the end of user...

Страница 12: ...rameters when the user goes from mode 3 sleep mode to other modes or during reset during which the AUX output goes low 5 Due to the characteristics of LoRa modulation method the information transmission delay is much longer than FSK such as at 1 2kbps airspeed the 100 bytes transmission delay is about 1 5 seconds so it is recommended that customers should not carry out large data transmission at l...

Страница 13: ...r the output goes high before switching 3 When the module is switched from other modes to hibernate mode if there is data that has not been processed The module will process this data both incoming and outgoing before entering sleep mode This feature can be used for fast hibernation to save power for example if the transmitter module works in mode 0 the user initiates the serial data 12345 and the...

Страница 14: ...g Receiving Can receive data normally receive function is equivalent to mode 0 6 4Configuration Mode Mode 2 Type When M0 0 and M1 1 the module operates in mode 2 Launch Wireless transmit off Receiving Wireless reception off Configuration User can access registers to configure module operating status 6 5Deep Sleep Mode Mode 3 Type When M0 1 and M1 1 the module operates in mode 3 Launch Unable to tr...

Страница 15: ...address 0x00 serial port 9600 8N1 and air speed 1 2K at the same time Send C0 00 04 12 34 00 61 Return C1 00 04 12 34 00 61 2 Read register Instruction C1 start address length Response C1 start address length parameters Example 1 Reading the channel Instruction Start Address Length Parameter Send C1 05 01 Return C1 05 01 09 Example 2 Simultaneous reading of module address network address serial po...

Страница 16: ... as a broadcast and listening address i e the module will not be address filtered at this time 01H Read Wri te ADDL ADDL default 0 02H Read Wri te NETID NETID default 0 Network addresses which are used to distinguish networks When communicating with each other they should be set to the same 03H Read Wri te REG0 7 6 5 UART serial port rate bps Two modules that communicate with each other the serial...

Страница 17: ...ket length the serial port at the receiving end will split the packet output 0 0 240 bytes default 0 1 128 bytes 1 0 64 bytes 1 1 32 bytes 5 RSSI Environmental Noise Enable When enabled the command C0 C1 C2 C3 can be sent in transmit mode or WOR send mode Read register Register 0x00 Current ambient noise RSSI Register 0X01 RSSI of the last received data Current channel noise is dBm 256 RSSI Comman...

Страница 18: ...forced to issue when it reaches two seconds 0 Disable default 1 Enable 3 WOR mode transceiver control Valid only for mode 1 1 wor s receive mode the module can modify the delay time after waking up the default time is 0 2 The receiver needs to send the command C0 09 02 03 E8 in configuration mode C0 is the write command 09 is the host initiator address 02 is the length 03 E8 is the set delay time ...

Страница 19: ... module addresses but are forwarded to the pair corresponding to the NETID respectively and if one of the networks is received it is forwarded to the other network The network ID of the repeater itself is invalid 3 In relay mode the relay module cannot send and receive data and cannot perform low power operation 4 The module resets the user parameters when the user goes from mode 3 sleep mode to o...

Страница 20: ...sent by node 1 can be received by nodes 2 and 4 and the data sent by nodes 2 and 4 can be received by node 1 9 Host Computer Configuration Instructions The following figure shows the display interface of the E22 230T22D configuration upper computer Users can switch to command mode through M0 and M1 for quick configuration and reading of parameters at the upper computer In the configuration upper c...

Страница 21: ...ital alignment high frequency analog alignment power supply alignment must be avoided below the module if it is necessary to pass below the module assuming that the module is soldered in the Top Layer in the module contact part of the Top Layer laying copper all laying copper and good grounding must be close to the digital part of the module and alignment in the Bottom Layer Assuming that the modu...

Страница 22: ...amage Please check the power supply to ensure that it is between the recommended supply voltages as exceeding the maximum will cause permanent damage to the module Please check the stability of the power supply the voltage should not fluctuate significantly and frequently Please ensure that the installation and use of the process of anti static operation high frequency devices electrostatic sensit...

Страница 23: ... TL Liquid phase temperature 183 217 Time tL Maintained Above TL Time above the liquid phase line 60 90 sec 30 90 sec Peak temperature Tp Peak temperature 220 235 C 230 250 C Aveage ramp down rate Tp to Tsmax Average decline rate 6 second max 6 second max Time 25 to peak temperature Time from 25 C to peak temperature 6 minutes max 8 minutes max 12 2 Reflow Profile 13 Related Models Product Model C...

Страница 24: ... SPI 14 Antenna Recommendations Antenna is an important role in the communication process often poor quality antenna will have a great impact on the communication system so we recommend some antennas as supporting our wireless module and more excellent performance and reasonable price Product Model Type Frequency Band Hz Interface Gain dBi Height mm Feeders cm Functional Features TX230 JK 11 Glue ...

Страница 25: ...aining people 1 0 2018 01 08 Initial Version huaa 1 1 2018 04 16 Content Updates huaa 1 2 2018 05 24 Name Change Huaa 1 3 2018 07 20 Model split Huaa 1 4 2018 10 23 Content Updates Ray 1 5 2019 04 03 Content Updates Ray 1 6 2019 08 02 Content Updates 1 7 2019 9 17 Content Updates Blue 1 8 2020 04 15 Modify error du 1 9 2020 06 03 7 2 dBm formula modified to dBm 256 HEX du 2 0 2020 11 26 Error Corr...

Страница 26: ...y Co Ltd 25 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 Phone 86 028 61399028 Web www ebyte com Address B5 Mould Park 199 Xiqu Ave High tech District Sichuan China ...

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