Wiznet WizFi210 User manual

WizFi210/220 User Manual (WIZnet Co., Ltd.)
WizFi210/220 User Manual
(Version 1.12)
©2011 WIZnet Co., Ltd. All Rights Reserved.
☞ For more information, visit our website at http://www.wiznet.co.kr

WizFi210/220 User Manual (WIZnet Co., Ltd.)
Certification Information
CE for Class B ITE
INFORMATION TO THE USER
Hereby, WIZnet. Declares that these WizFi210 and WizFi220 are in compliance with the
essential requirements
and other relevant provisions of directive 1999/5/EC.
WARNING: These are the class B products. In a domestic environment this product may cause
radio interference in which case the user may be required to take adequate measures.
FCC for Class B ITE
INFORMATION TO THE USER
These equipments have been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is no
Guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to correct the interference by one more
of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
WARNING: These equipments may generate or use radio frequency energy. Changes or
modifications to this equipment may cause harmful interference unless the modifications are
expressly approved in the instruction manual. The user could lose the authority to operate this
equipment if an unauthorized change or modification is made.
KC for Class B ITE
INFORMATION TO THE USER
This equipment has been tested for a Class B digital device.
-Trade Name or Applicant : WIZnet, Co., Ltd.
-Equipment Name : Wireless LAN Module
-Model Number : WizFi210 / WizFi220
-Manufacturer / Country of Origin : WIZnet, Co., Ltd. / KOREA
-Certification Number : KCC-CRM-WWW-WIZFI210 / KCC-CRM-WWW-WIZFI220
WARNING: This equipment may generate or use radio frequency energy. Changes or
modifications to this equipment may cause harmful interference.

WizFi210/220 User Manual (WIZnet Co., Ltd.)
Document Revision History
Date Revision Changes
2011-03-24 V1.0 Official Release
2011-05-24 V1.01
Changed Power Consumption and RF Output Power
Added Auto Reconnect AT Command(AT+XAR)
Added Certification Information
2011-09-05 V1.10
Changed Evaluation Board
Changed GPIO number(HW Trigger, Button)
Changed AT+XEHT Command
Added Limited AP Feature
Added WizFi220 Specs
2012-01-11 V1.11
Added UART baud rate(460800, 921600)
Added EXT_RESET description
Added FAQ
Added AT+DHCPSRVR Command
Added Product contents
2012-10-24 V1.12
Added AT+WAUTO Option(2 for Limited AP mode)
Added FAQ(Reducing the disassociation event)
Removed unused AT Commands
Removed some features for customizing f/w

WizFi210/220 User Manual (WIZnet Co., Ltd.)
<Contents>
1. Overview .......................................................................................................................... 1
(1) Benefits and Features ............................................................................................... 2
(2) Specifications............................................................................................................ 3
(3) Product contents (WizFi2x0-EVB).............................................................................. 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.............................................................................................. 6
(8) Power Consumption (VDDRTC=VDD=3.3V, VDDIO=1.8V, Temp=25°C)..................... 7
(9) Power Consumption (VDDRTC=VDD=3.3V, VDDIO=3.3V, Temp=25°C)..................... 7
(10) Power Consumption (VDDRTC=VDD=3.3V, VDDIO=1.8V, Temp=25°C)............... 8
(11) Power Consumption (VDDRTC=VDD=3.3V, VDDIO=3.3V, Temp=25°C)............... 8
(12) RF Specification .................................................................................................. 9
(13) Block Diagram .................................................................................................. 10
(14) Pin Description ................................................................................................. 11
(15) Module Dimension ........................................................................................... 15
(16) Recommend Pad Dimension............................................................................. 16
(17) LED Indications ................................................................................................. 17
(18) Application Circuit ............................................................................................ 18
(19) Interface ........................................................................................................... 19
(20) Using EXT_RESET pin ........................................................................................ 20
3. Application Guide .......................................................................................................... 21
(1) AP Scanning ........................................................................................................... 21
(2) Network Connection Management......................................................................... 21
(3) Auto Connection Operation.................................................................................... 21
(4) Response Codes ..................................................................................................... 23
(5) Use of GPIO21 ........................................................................................................ 24
(6) AT Command example ........................................................................................... 24
4. AT Commands ............................................................................................................... 26
(1) Command interface ................................................................................................ 26
(2) UART / adapter interface configuration.................................................................. 26
(3) Profile management ............................................................................................... 27
(4) Wi-Fi interface ........................................................................................................ 28
(5) Wi-Fi security.......................................................................................................... 29
(6) Wireless configuration ............................................................................................ 30
(7) Network interface ................................................................................................... 30
(8) Connection management ....................................................................................... 31
(9) Battery check .......................................................................................................... 32
(10) Power state management................................................................................. 32
(11) Auto connection ............................................................................................... 33
(12) Provisioning ...................................................................................................... 33
(13) Miscellaneous ................................................................................................... 33
5. FAQ ................................................................................................................................ 35
6. Warranty ........................................................................................................................ 38

WizFi210/220 User Manual (WIZnet Co., Ltd.)
<Table>
TABLE 1. SPECIFICATIONS......................................................................................................................................3
TABLE 2. OPERATING CONDITIONS...................................................................................................................4
TABLE 3. DIGITAL INPUT SPECIFICATIONS....................................................................................................4
TABLE 4. DIGITAL OUTPUT SPECIFICATIONS...............................................................................................4
TABLE 5. I/O DIGITAL SPECIFICATION...............................................................................................................5
TABLE 6. RTC INPUT SPECIFICATIONS............................................................................................................6
TABLE 7. RTC OUTPUT SPECIFICATIONS.......................................................................................................6
TABLE 8. INTERNAL 1.8V REGULATOR.............................................................................................................6
TABLE 9. POWER CONSUMPTION 1...................................................................................................................7
TABLE 10. POWER CONSUMPTION 2 ................................................................................................................7
TABLE 11. POWER CONSUMPTION 3.................................................................................................................8
TABLE 12. POWER CONSUMPTION 4................................................................................................................8
TABLE 13. RF SPECIFICATION...............................................................................................................................9
TABLE 14. PIN DESCRIPTION.............................................................................................................................. 14
TABLE 15. LED INDICATIONS............................................................................................................................... 17
TABLE 16. RESPONSE CODES........................................................................................................................... 23
TABLE 17. AT COMMAND EXAMPLE................................................................................................................. 25
TABLE 18. COMMAND INTERFACE................................................................................................................... 26
TABLE 19. UART /ADAPTER INTERFACE CONFIGURATION.............................................................. 27
TABLE 20. PROFILE MANAGEMENT................................................................................................................. 27
TABLE 21. WI-FI INTERFACE................................................................................................................................ 29
TABLE 22. WI-FI SECURITY................................................................................................................................... 30
TABLE 23. WIRELESS CONFIGURATION....................................................................................................... 30
TABLE 24. NETWORK INTERFACE.................................................................................................................... 31
TABLE 25. CONNECTION MANAGEMENT..................................................................................................... 32
TABLE 26. BATTERY CHECK ................................................................................................................................ 32
TABLE 27. POWER STATE MANAGEMENT................................................................................................... 32
TABLE 28. AUTO CONNECTION.......................................................................................................................... 33
TABLE 29. PROVISIONING..................................................................................................................................... 33
TABLE 30. MISCELLANEOUS ............................................................................................................................... 34

WizFi210/220 User Manual (WIZnet Co., Ltd.)
<Figure>
FIGURE 1. BASIC DIAGRAM ....................................................................................................................................1
FIGURE 2. WIZFI210 BLOCK DIAGRAM.......................................................................................................... 10
FIGURE 3. WIZFI220 BLOCK DIAGRAM.......................................................................................................... 10
FIGURE 4. PIN DESCRIPTION.............................................................................................................................. 11
FIGURE 5. MODULE DIMENSION....................................................................................................................... 15
FIGURE 6. RECOMMEND PAD DIMENSION................................................................................................. 16
FIGURE 7. VIN = BATTERY, STANDBY MODE SUPPORT........................................................................ 18
FIGURE 8. VIN = DC ADAPTOR, ALWAYS ACTIVE...................................................................................... 18
FIGURE 9. WIZFI2Z0 EVB INTERFACE............................................................................................................ 19
FIGURE 10. USING EXT_RESET PIN................................................................................................................ 20
FIGURE 11. FACTORY DEFAULT AND AD HOC MODE............................................................................ 24

WizFi 210/220 User Manual (WIZnet Co., Ltd.)
1
1. Overview
The WizFi210 family of fully certified modules offers a quick, easy, and cost effective way for
device and appliance manufacturers to add Wi-Fi capabilities to their products. The module
provides serial UART interface which enables connection to any embedded design utilizing
an 8/16/32-bit microcontroller via simple commands. The WizFi210 is an ideal solution for
organizations with limited or no Wi-Fi or RF expertise, as it not only dramatically reduces RF
design time but also removes the burden of testing and certification; allowing customers to
focus on their core application, product, or expertise. The module supports data rates up to
11 Mbps, and is compliant with 802.11b.
The WizFi210 provides customers the mean to evaluate the capabilities of ultra-low power
wireless system-on-a-chip and the Serial to Wi-Fi embedded software for Wi-Fi networks.
The Serial to Wi-Fi embedded software allows devices and appliance manufacturers to easily
add Wi-Fi capabilities to their products with minor impact on the host microcontroller
firmware.
The WizFi210 provides all the hardware and software necessary to quickly set up a serial
(UART) based link to a PC or external microcontroller.
The WizFi220 is a RF-enhanced Product. Except for [RF Output Power], the WizFi220 is
similar in management and development to the WizFi210. In other words, the WizFi220 will
consume more power but it has the improved WiFi range.
(All documents for the WizFi210 apply to the WizFi220)
Figure 1. Basic Diagram

WizFi 210/220 User Manual (WIZnet Co., Ltd.)
2
(1) Benefits and Features
Brings Wi-Fi connectivity to any device with a microcontroller and serial HOST
interface (UART)
Minimal Serial to Wi-Fi “driver” footprint on host microcontroller and minor
changes to existing host MCU firmware
Offloading of smaller host microcontrollers from the Wi-Fi and TCP/ IP networking
Simple AT commands for configuration and data communication
DHCP/Static IP, TCP/UDP, Server/Client, DNS
Reduces development time, testing and certification burden, accelerating time to
market
Easy device provisioning through our utility or Wi-Fi Protected Set-up (WPS)
Ultra low power consumption through dynamic power management
Operates with standard 802.11 b/g/n access points at speed up to 11 Mbps
(802.11b)
802.11i Security (WEP, WPA, WPA2-PSK, Enterprise)
Rich I/O interfaces (SPI, UART, GPIO, I2C, ADC, JTAG)
Low power modes, Alarm Input for wake-up
High-throughput hardware AES and RC4 encryption/decryption engines
Limited AP Feature (Direct Connection to iPhone, iPad and Android-Phone without
AP)

WizFi 210/220 User Manual (WIZnet Co., Ltd.)
3
(2) Specifications
Specifications Description
Radio Protocol IEEE 802.11b/g/n Compatible
Supported Data Rates 11, 5.5, 2, 1 Mbps (802.11 b)
Modulation DSSS and CCK
RF Operating Frequency 2.4 - 2.497 GHz
Antenna Options Chip antenna and U.FL connector for external antenna
Networking Protocols UDP, TCP/IP (IPv4), DHCP, ARP, DNS, HTTP/HTTPS Client and
Server(**)
Power Consumption
(Typical)
Standby = 34.0 µA(WizFi210), 35.0 µA(WizFi220)
Receive = 125.0 mA(WizFi210), 125.0 mA(WizFi220)
Transmit = 135.0 mA(WizFi210), 250.0 mA(WizFi220)
RF Output Power (Typical) 8± 1 dBm (WizFi210)
17 ± 1.5 dBm (WizFi220)
Security Protocols W E P, WPA/WPA2–PSK, Enterprise(EAP-FAST, EAP-TLS, EAP-
TTLS, PEAP)(**)
I/O Interface UART, SPI(**), I2C(*), WAKE, ALARM, GPIOs
Power Source 3.3V
Dimensions 32 x 23.5 x 3 mm
Table 1. Specifications
(*) is supported by software customizing.
(**) is supported by dedicated firmware.
(3) Product contents (WizFi2x0-EVB)
WizFi 2x0 Module + Interface Board + Base Board
Serial Cable / 1EA
USB Cable / 1EA
Antenna(W5I-BO-07) / 1EA : for WizFi2x0-CO(connector) version

WizFi 210/220 User Manual (WIZnet Co., Ltd.)
4
2. Hardware Specification
(1) Operating Conditions
Min Typ Max Unit
Operating Ambient Range -40 +85 °C
RTC Supply Voltage 1.2 3.3 3.6 V
Single Supply Voltage 3.0 3.3 3.6 V
Table 2. Operating Conditions
(2) Digital Input Specifications
Min Typ Max Unit
IO Supply Voltage 1.62/3 1.8/3.3 1.98/3.63 V
Input Low Voltage (VIL) -0.3 0.25VDDIO V
Input High Voltage (VIH) 0.8VDDIO VDDIO V
Schmitt trig. Low to High threshold point (VT+) 1.5 V
Schmitt trig. High to Low threshold point (VT-) 1 V
Table 3. Digital Input Specifications
(3) Digital Output Specifications
Min Typ Max Unit
IO Supply Voltage 1.62/3 1.8/3.3 1.98/3.63 V
Output Low Voltage (VIL) 0 0.4 V
Output High Voltage (VIH) 1.3 VDDIO V
Output rise time (tTLH) 7 ns
Output fall time (tTHL) 7 ns
Table 4. Digital Output Specifications