Chengdu Ebyte Electronic Technology Co., Ltd. E22-xxxT30x series product user manual
Copyright©2012–2024, Chengdu Ebyte Electronic Technology Co., Ltd.
Contents
Disclaimer and Copyright Notice
...................................................................................................................................4
1. Product Overview
.......................................................................................................................................................5
1.1 Product introduction
.........................................................................................................................................5
1.2 Features
.............................................................................................................................................................5
1.3 Application scenarios
....................................................................................................................................... 6
2. Specifications
............................................................................................................................................................. 6
2.1 RF parameters
...................................................................................................................................................6
2.2 Electrical parameters
........................................................................................................................................ 7
2.2.1 E22-230/400/900T30D electrical parameters
.......................................................................................7
2.2.2 E22-230/400/900T30S electrical parameters
........................................................................................7
2.3 Hardware parameters
........................................................................................................................................8
2. 3.1 E22-230/400/900T30D hardware parameters
......................................................................................8
2. 3.2 E22-230/400/900T30S hardware parameters
...................................................................................... 8
3. Mechanical dimensions and pin definitions
.............................................................................................................10
3.1 E22-230/400/900T30D mechanical dimensions and pin definitions
............................................................ 10
4. Recommended Connection Diagram
....................................................................................................................... 13
5. Function Description
................................................................................................................................................ 14
5.1 Fixed point Transmission
............................................................................................................................... 14
5.2 Broadcast transmission
...................................................................................................................................14
5.3 Broadcasting Address
.....................................................................................................................................14
5.4 Listening Address
...........................................................................................................................................15
5.5 Module Reset
..................................................................................................................................................15
5.6 Detailed explanation of AUX
.........................................................................................................................15
5.6.1 Indication of Serial port data output
................................................................................................... 15
5.6.2 Indication of Wireless transmission
.................................................................................................... 15
5.6.3 The module is being configured
..........................................................................................................16
5.6.4 Notes for AUX
.................................................................................................................................... 16
6. Working Mode
..........................................................................................................................................................17
6.1 Precautions for mode switching
.....................................................................................................................17
6.2 Normal mode(Mode 0) ............................................................................................................................. 18
6.3 WOR mode(Mode 1) ................................................................................................................................ 18
6.4 Configuration mode(Mode 2) ................................................................................................................... 18
6.5 Deep sleep mode(Mode 3) ........................................................................................................................18
7. Register Read and Write Control
............................................................................................................................. 19
7.1 Command format
............................................................................................................................................19
7.2 E22-400/900T30D, E22-400/900T30S register description
..........................................................................20
7.3 E22-230T30D, E22-230T30S register description
........................................................................................ 23
7.4 Factory default parameters
.............................................................................................................................25
8. AT command
.............................................................................................................................................................26
8.1 AT command list
.............................................................................................................................................26
8.2 AT parameter analysis
.................................................................................................................................... 28
8.3 Notes for upgrading firmware via serial port
.................................................................................................29
9. Repeater networking mode
.......................................................................................................................................29