Ebyte E220-900M22S, Manual

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Chengdu Ebyte Electronic Technology Co.,Ltd. E220-900M22S User Manual
Copyright ©2012–2021
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Chengdu Ebyte Electronic Technology Co.,Ltd.
1
Contents
Disclaimer............................................................................................................................................................. 2
Features..........................................................................................................................................................3
1 Introduction........................................................................................................................................................4
1.1 Brief Introduction.................................................................................................................................... 4
1.2 Application...............................................................................................................................................4
2 Specification and parameter...............................................................................................................................4
2.1 Limit parameter........................................................................................................................................4
2.2 Operating parameter................................................................................................................................ 5
3 Size and pin definition....................................................................................................................................... 6
4 Basic operation...................................................................................................................................................7
4.1 Hardware design...................................................................................................................................... 7
4.2 Programming........................................................................................................................................... 8
5 basic application.................................................................................................................................................8
5.1 Connection instructions to the emulator.................................................................................................. 8
6 FAQ....................................................................................................................................................................9
6.1 Communication range is too short...........................................................................................................9
6.2 Module is easy to damage........................................................................................................................9
6.3 BER(Bit Error Rate) is high.....................................................................................................................9
7 Production guidance.........................................................................................................................................10
7.1 Reflow soldering temperature................................................................................................................10
7.2 Reflow soldering curve..........................................................................................................................11
8 E220 series....................................................................................................................................................... 11
9 Antenna recommendation.................................................................................................................................11
9.1 Recommendation................................................................................................................................... 11
Revision history.................................................................................................................................................. 12
About us.............................................................................................................................................................. 12