Table Of Contents - Jinan USR IOT Technology USR-WIFI232-A2 User Manual

1 Quick Start.................................................................................................................................................... 6
1.1 Hardware connect............................................................................................................................ 6
1.2 Network connection......................................................................................................................... 7
1.3 communication test.......................................................................................................................... 8
2 Product Overview........................................................................................................................................ 9
2.1 General Description......................................................................................................................... 9
2.2 Device Features............................................................................................................................... 9
2.3 Device Paremeters........................................................................................................................ 10
2.4 Key Application............................................................................................................................... 11
2.5 Package Information...................................................................................................................... 11
2.5.1 Recommended Reflow Profile.......................................................................................... 11
2.5.2 Device Handling Instruction (Module IC SMT Preparation).........................................11
3 Hardware Introduction.............................................................................................................................. 12
3.1 Pins Definition.................................................................................................................................12
3.1.1 USR-WIFI232-A2 Pins Definition.....................................................................................12
3.2 Mechanical Size............................................................................................................................. 13
3.2.1 USR-WIFI232-A2................................................................................................................13
3.3 Antenna............................................................................................................................................14
3.3.1 External Antenna................................................................................................................ 14
3.4 Evaluation Kit.................................................................................................................................. 14
3.5 Hardware Reference Design........................................................................................................16
3.5.1 Hardware Typical Application........................................................................................... 16
3.5.2 10/100M Ethernet Interface.............................................................................................. 17
3.5.2.1 Ethernet Connection with Transformer................................................................17
3.5.2.2 Ethernet Connection without Transformer.......................................................... 17
3.5.3 UART Interface....................................................................................................................18
3.5.4 Power Interface...................................................................................................................19
4 Modules Function Description.................................................................................................................19
4.1 User configuration process...........................................................................................................19
4.2 Working mode.................................................................................................................................20
4.2.1 Transparent Mode.............................................................................................................. 20
4.2.2 Serial command mode.......................................................................................................21
4.2.3 GPIO mode..........................................................................................................................22
4.2.4 HTTPD Client mode........................................................................................................... 22
4.3 Wireless Networking......................................................................................................................23
4.3.1 STA........................................................................................................................................24
4.3.2 AP.......................................................................................................................................... 24
4.3.3 AP+STA................................................................................................................................ 25
4.4 Ethernet Interface Communication............................................................................................. 26
4.4.1 USR-WIFI232-A2 Ethernet Interface Networking (As AP).......................................... 26
4.4.2 USR-WIFI232-A2 Ethernet Interface Networking (As STA, N-Ver)........................... 27
4.4.3 USR-WIFI232-A2 Ethernet Interface Networking (As STA, Z-Ver)............................27
4.5 WI-FI parameter setting................................................................................................................ 28
Jinan USR IOT Technology Limited
USR-WIFI232-A2 User Manual

Table Of Contents

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