User's Manual

WizFi220 User Manual (WIZnet Co., Ltd.)
<Contents>
1. Overview ........................................................................................................................ 1
(1) Benefits and Features .............................................................................................. 2
(2) Specifications .......................................................................................................... 3
2. Hardware Specification ................................................................................................... 4
(1) Operating Conditions .............................................................................................. 4
(2) Digital Input Specifications ...................................................................................... 4
(3) Digital Output Specifications ................................................................................... 4
(4) I/O Digital Specification (Tri-State) ........................................................................... 5
(5) RTC Input Specifications .......................................................................................... 6
(6) RTC Output Specifications ....................................................................................... 6
(7) Internal 1.8V regulator ............................................................................................ 7
RF Specification .............................................................................................................. 8
(8) Block Diagram ......................................................................................................... 9
(9) Pin Description ...................................................................................................... 10
(10) Module Dimension .......................................................................................... 14
(11) Recommend Pad Dimension............................................................................ 15
(12) LED Indications ............................................................................................... 15
Application Guide ......................................................................................................... 16
(1) AP Scanning .......................................................................................................... 16
(2) Network Connection Management ........................................................................ 16
(3) Auto Connection Operation .................................................................................. 16
(4) Response Codes .................................................................................................... 17
(5) Use of GPIO10 ..............................................................
........................................ 18
(6) AT Command example .......................................................................................... 19
3. AT Commands .............................................................................................................. 20
(1) Command interface ............................................................................................... 20
(2) UART / adapter interface configuration ................................................................. 20
(3) Profile management .............................................................................................. 21
(4) Wi-Fi interface ....................................................................................................... 22
(5) Wi-Fi security ........................................................................................................ 22
(6) Wireless configuration ........................................................................................... 24
(7) Network interface .................................................................................................. 24
(8) Connection management ...................................................................................... 25
(9) Battery check ........................................................................................................ 26
(10) Power state management ................................................................................ 26
(11) Auto connection .............................................................................................. 26
(12) Provisioning .................................................................................................... 27
(13) Miscellaneous .................................................................................................. 27
4. Hardware Installation .................................................................................................... 29
5. Warranty ...................................................................................................................... 31