Chengdu Ebyte Electronic Technology Co., Ltd. E220-900T22D User Manual
Copyright ©2012–2020，Chengdu Ebyte Electronic Technology Co., Ltd.
目录
1. Overview.....................................................................................................................................................................3
1.1 Introduction.......................................................................................................................................................4
1.2 Features.............................................................................................................................................................4
1.3 Application........................................................................................................................................................4
2. Specification and Parameter....................................................................................................................................... 5
2.1 Limit Parameter................................................................................................................................................ 5
2.2 Operating Parameter.........................................................................................................................................5
3. Size and Pin Definition...............................................................................................................................................6
4. Recommended Connection Diagram..........................................................................................................................7
5. Function Description.................................................................................................................................................. 8
5.1 Fixed Transmission...........................................................................................................................................8
5.2 Broadcasting Transmission...............................................................................................................................8
5.3 Broadcasting Address....................................................................................................................................... 9
5.4 Monitor Address............................................................................................................................................... 9
5.5 Reset..................................................................................................................................................................9
5.6 AUX Description.............................................................................................................................................. 9
6. Operating Mode........................................................................................................................................................ 11
6.1 Mode Switching..............................................................................................................................................11
6.2 Normal mode（Mode 0）..............................................................................................................................12
6.3 WOR sending mode (Mode 1)....................................................................................................................... 12
6.4 WOR receiving mode (Mode 2)..................................................................................................................... 12
6.5 Deep Sleep (Configuration) Mode (Mode 3)................................................................................................. 13
7 Register Read and Write Control...............................................................................................................................13
7.1 Command Format...........................................................................................................................................13
7.2 Register Description....................................................................................................................................... 14
7.3 Factory Default Parameter..............................................................................................................................16
8. Configuration Instruction on Computer................................................................................................................... 17
9. Hardware Design...................................................................................................................................................... 18
10. FAQ.........................................................................................................................................................................19
10.1 Communication range is too short............................................................................................................... 19
10.2 Module is easy to damage............................................................................................................................ 19
10.3 BER (Bit Error Rate) is high........................................................................................................................ 19
11. Soldering Operation Guidance............................................................................................................................... 20
11.1 Reflow Soldering Temperature.....................................................................................................................20
11.2 Reflow Soldering Curve............................................................................................................................... 20
12. Related Models....................................................................................................................................................... 21
13. Antenna Recommendation......................................................................................................................................21
13.1 Antenna Recommendation........................................................................................................................... 21
14. Package for Bulk Order.......................................................................................................................................... 22
Revision History........................................................................................................................................................... 22
About us........................................................................................................................................................................23
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