E22-900T30S User Manual
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual CONTENTS 1. OVERVIEW .............................................................................................................. 4 1.1 INTRODUCTION ............................................................................................................................................. 4 1.2 FEATURES...................................................................................................................................
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 5.6.3 Configuration procedure of module ................................................................................................... 15 5.6.4 Notes for AUX ................................................................................................................................... 15 6 OPERATING MODE .................................................................................................... 15 6.1 MODE SWITCHING .
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 12.1 REFLOW SOLDERING TEMPERATURE .......................................................................................................... 27 13 E22 SERIES .............................................................................................................. 28 14 ANTENNA RECOMMENDATION............................................................................. 28 15 PACKAGE FOR BATCH ORDER ................................
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 1. Overview 1.1 Introduction E22-900T30S is a wireless serial port module (UART) based on SEMTECH's SX1262 RF chip. It has multiple transmission modes, LoRa modulation, TTL level output, compatible with 3.3V and 5V IO port voltage. With PA and LNA, the power is 1W based on originally imported SX1262 module, the receiving sensitivity is improved accordingly.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual communication. Compared with SX1276, the power consumption of hardware is reduced by 40%,and the power consumption of software is reduced by 35%; Compared with the SX1276, for the same power consumption, the transmission power is increased by 80%; Low power consumption for battery supplied applications； Support 3.3V~5.5V power supply, power supply over 5.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual interference to other equipment. High confidentiality, extremely low probability of interception; strong anti-interference ability, strong suppression of co-channel interference and various noises; excellent anti-multipath fading performance. LBT: The module has a Listen before talk (LBT) function. When this function is enabled, the module actively monitors the channel environment noise before transmitting.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 0x00 01, channel is 0x80), date is AA BB CC, the communication format is: 00 01 80 AA BB CC, where 00 01 is the module B address and 80 is the module B channel, then module B can receive the AA BB CC (other modules do not receive data).
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 2. Specification and parameter 2.1 Limit parameter Performance Main parameter Remark Min. Max. Voltage over 5.5V will cause Power supply（V） 0 5.5 permanent damage to module Chances of burn is slim when modules Blocking power（dBm） - 10 are used in short distance Operating temperature（℃） -40 85 / 2.2 Operating parameter Performance Main parameter Operating voltage（V） Remark Min. Typ. Max. 3.3 5.0 5.5 ≥5.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual Max Tx power（dBm） 29.5 30.0 30.5 Receiving sensitivity（dBm） -147 -148 -149 Air data rate is 2.4kbps Air data rate（bps） 0.3k 2.4k 62.5k Controlled via user’s programming Main parameter Description Distance for reference 10000m Remark Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，air data rate: 2.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 3 Size and pin definition No. Name Direction Input 1 M0 （weak pull-up） Input 2 M1 （weak pull-up） Function Work with M1 to decide 4 working modes of module (not suspended, if not used, could be grounded). Work with M0 to decide 4 working modes of module (not suspended, if not used, could be grounded). TTL UART inputs, connects to external (MCU, PC) TXD output pin.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual During the procedure of self-check initialization, the pin outputs low level. Can be configured as push-pull output (can be suspended).
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 5 Function description 5.1 Fixed transmission 5.2 Broadcasting transmission Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 5.3 Broadcasting address For example: Set the address of module A as 0xFFFF or 0x0000, and the channel as 0x04; When module is the transmitter (transparent transmission), all modules under channel 0x04 will receive the data, the purpose of broadcast is realized. 5.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 5.6.1 Indication of UART output To wake up external MCU 5.6.2 Indication of wireless transmitting Buffer (empty): the internal 1000 bytes data in the buffer are written to the RFIC (Auto sub-packaging). When AUX=1, the user can input data less than 1000 bytes continuously without overflow. Buffer (not empty): when AUX=0, the internal 1000 bytes data in the buffer have not been written to the RFIC completely.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 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 For function 1 & function 2 mentioned above, the priority should be given to the one with low level output, which 1 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.
Chengdu Ebyte Electronic Technology Co., Ltd. 0 Normal mode 0 0 1 WOR mode 0 1 1 0 1 1 2 Configuration mode 3 Deep sleep mode E22-900T30S User manual UART and wireless channel are open, transparent Supports configuration over air via transmission is on special command Can be defined as WOR transmitter and WOR receiver Supports wake up over air Users can access the register through the serial port to control the working state of the module Sleep mode 6.1 Mode switching No.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 6.2 Normal mode（Mode 0） Type Transmitting Receiving M0 = 0，M1 = 0 Users can input data through the serial port and the module will start wireless transmission. The module wireless receiving function is turned on, and after receiving the wireless data, it will be output through the serial port TXD pin. 6.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 7 Register read and write control 7.1 Command format In configuration mode (mode 2: M1 = 1, M0 = 0), the list of supported commands are as follows (only 9600, 8N1 format is supported when)： No. Command format Description Command: C0+starting address+length+parameters Response: C1+starting address+length+parameters E.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual Send: C2 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 (1.2K). Send: C2 00 04 12 34 00 61 Return: C1 00 04 12 34 00 61 Command: CF CF + normal command Respond：CF CF + normal respond E.
Chengdu Ebyte Electronic Technology Co., Ltd. 7，6，5 E22-900T30S User manual UART: Serial port rate（bps） 000: 1200 001: 2400 010: 4800 011: 9600（default） 100: 19200 101: 38400 For the two modules that communicate with 110: 57600 each other, the serial port baud rate can be 111: 115200 different, and the verification method can also be different.
Chengdu Ebyte Electronic Technology Co., Ltd. 1，0： E22-900T30S User manual Transmitting power be sent in the transmitting mode or WOR 00：30dbm（default） transmitting mode to read the register. 01：27dbm Register 0x00: Current ambient noise rssi 10：24dbm 11：21dbm 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 + read valid value E.
Chengdu Ebyte Electronic Technology Co., Ltd. 3 E22-900T30S User manual WOR transceiver control 1：WOR transmitter The module receiving Valid only for mode 1. After the WOR receiver receives the wireless and data and outputs it through the serial port, it will transmitting functions are turned on, and a wait for 1000ms before entering the WOR again. wake-up code is added when transmitting Users can input the serial port data and return it data. Receiving is turned on.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 8 Repeater networking mode No. Description 1 After setting the repeater mode by configuration, switch to the normal mode and the repeater starts working. In the repeater mode, ADDH, ADDL are no longer used as the module address, but is correspondingly paired with the 2 NETID. If the data of one of the networks is received, it is forwarded to another network. The network ID of the repeater itself is invalid.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 9 Configuration instructions on computer The following figure shows the E22-900T30S configuration host computer display interface, 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.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 10 Hardware design It is recommended to use a DC stabilized power supply. The power supply ripple factor is as small as possible, and the module needs to be reliably grounded.； Please pay attention to the correct connection of the positive and negative poles of the power supply.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 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. It is recommended to stay away from the module according to the strength of the interference.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual distance). The power supply low voltage under room temperature is lower than 2.5V, the lower the voltage, the lower the transmitting power. Due to antenna quality or poor matching between antenna and module. 11.2 Module is easy to damage Please check the power supply source, ensure it is 2.0V~3.6V, voltage higher than 3.6V will damage the module.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual Preheat Temperature min （Tsmin） Min preheating temp. 100℃ 150℃ Preheat temperature max (Tsmax) Mx preheating temp. 150℃ 200℃ Preheat Time (Tsmin to Tsmax)(ts) Preheating time 60-120 sec 60-120 sec Average ramp-up rate(Tsmax to Tp) Average ramp-up rate 3℃/second max 3℃/second max Liquid phase temp. 183℃ 217℃ Time below liquid phase line 60-90 sec 30-90 sec Peak temp.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual communication system. Therefore, we recommend some antennas for wireless modules with excellent performance and reasonable price. Frequency Model No. Type Gain Interface Hz Height Cable Function feature dBi Sucker TX868-XP-100 868M SMA-J 3.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 15 Package for batch order Revision history Version Date Description Issued by 1.00 2018-01-08 Initial version huaa 1.10 2018-04-16 Content updated huaa 1.20 2018-05-24 Content updated Huaa 1.21 2018-07-20 Model name revised Huaa 1.30 2018-10-23 Model No. split Huaa FCC Statement This device complies with part 15 of the FCC Rules.
Chengdu Ebyte Electronic Technology Co., Ltd. E22-900T30S User manual 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.
