User's Manual
99IoT (Shenzhen) Co., Ltd. User_Manual User Manual of AFM201T Wi-Fi Module
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Design Manual of AFM201T Module Hardware
V1.1 2019.08
Contents
1 Introduction ............................................................................................................. 2
1.1 Abstract ............................................................................................................. 2
1.2 Basic characteristics of module ......................................................................... 2
1.3 Module type ...................................................................................................... 2
1.4 GPIOs of module ............................................................................................... 3
1.5 Block diagram of hardware ............................................................................... 4
2 Design issues of hardware....................................................................................... 5
2.1 Power design ..................................................................................................... 5
2.2 Power OFF PIN ................................................................................................. 5
2.3 Reference circuit design .................................................................................... 6
3 Log serial port ......................................................................................................... 7
4 RF design and layout issues .................................................................................... 9
4.1 RF selecting resistor .......................................................................................... 9
4.2 Directions for module layout ............................................................................. 9
4.3 Advice on module layout................................................................................. 10
5 Purchase and support ............................................................................................ 12
Patent statements
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