WIZNET WIZFI220 Users Manual

WizFi220 User Manual

(Version 1.0)

©2011 WIZnet Co., Ltd. All Rights Reserved.

☞ For more information, visit our website at http://www.wiznet.co.kr

WizFi220 User Manual (WIZnet Co., Ltd.)

Certification Information

KCC 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 : WizFi220

- Derivative Model Number : WizFi220CA

- Manufacturer / Country of Origin : WIZnet, Co., Ltd. / KOREA

- Certification Number : KCC-CRM-WWW-WIZFI220

CE for Class B ITE

INFORMATION TO THE USER

Hereby, WIZnet. Declares that this WizFi220 is in compliance with the essential requirements
and other relevant provisions of directive 1999/5/EC.

WARNING: This is a class B product. In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate measures.

WizFi220 User Manual (WIZnet Co., Ltd.)

Certification Information

FCC for Class B ITE

INFORMATION TO THE USER

This equipment has 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.

FCC NOTICE TO USERS:

This device complies with part 15 of the FCC rules. Operation is subject to the following two
conditions:(1) This device may not cause harmful interference and (2) This device must accept
any interference received, including interference that may cause undesired operation.

WARNING:

1. This equipment 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.

2. This equipment complies with FCC radiation exposure limits set forth for an

uncontrolled environment. This equipment should be installed and operated with
minimum distance 20cm between the radiator & your body. This transmitter must not
be co-located or operating in conjunction with any other antenna or transmitter.

WizFi220 User Manual (WIZnet Co., Ltd.)

Document Revision History

Date Revision Changes

2011-05-24 V1.0 Official Release

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 ..............................................................

(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

........................................ 18

WizFi220 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 .......................................................................................................... 7

TABLE 9. RF SPECIFICATION............................................................................................................................... 8

TABLE 10. PIN DESCRIPTION ........................................................................................................................... 13

TABLE 11. LED INDICATIONS ............................................................................................................................ 15

TABLE 12. RESPONSE CODES ........................................................................................................................ 18

TABLE 13. AT COMMAND EXAMPLE .............................................................................................................. 19

TABLE 14. COMMAND INTERFACE ................................................................................................................ 20

TABLE 15. UART / ADAPTER INTERFACE CONFIGURATION ............................................................ 21

TABLE 16. PROFILE MANAGEMENT .............................................................................................................. 21

TABLE 17. WI-FI INTERFACE ............................................................................................................................. 22

TABLE 18. WI-FI SECURITY ............................................................................................................................... 23

TABLE 19. WIRELESS CONFIGURATION ..................................................................................................... 24

TABLE 20. NETWORK INTERFACE ................................................................................................................. 24

TABLE 21. CONNECTION MANAGEMENT ................................................................................................... 26

TABLE 22. BATTERY CHECK ............................................................................................................................. 26

TABLE 23. POWER STATE MANAGEMENT ................................................................................................. 26

TABLE 24. AUTO CONNECTION ...............................................................

TABLE 25. PROVISIONING ................................................................................................................................. 27

TABLE 26. MISCELLANEOUS ............................................................................................................................ 28

........................................................ 27

WizFi220 User Manual (WIZnet Co., Ltd.)

<Figure>

FIGURE 1. BASIC DIAGRAM ............................................... 오류! 책갈피가 정의되어 있지 않습니다.

FIGURE 2. BLOCK DIAGRAM ............................................................................................................................... 9

FIGURE 3. PIN DESCRIPTION .......................................................................................................................... 10

FIGURE 4. MODULE DIMENSION .................................................................................................................... 14

FIGURE 5. RECOMMEND PAD DIMENSION ............................................................................................... 15

FIGURE 6. V
FIGURE 7. V

FIGURE 8. FIRMWARE DOWNLOAD ............................... 오류! 책갈피가 정의되어 있지 않습니다.

FIGURE 9. INTERFACE .......................................................... 오류! 책갈피가 정의되어 있지 않습니다.

FIGURE 10. FACTORY DEFAULT AND AD HOC MODE ......................................................................... 18

= BATTERY.................................................... 오류! 책갈피가 정의되어 있지 않습니다.

IN

= AC ADAPTOR ........................................... 오류! 책갈피가 정의되어 있지 않습니다.

IN

WizFi220 User Manual (WIZnet Co., Ltd.)

1

1. Overview

The WizFi220 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 WizFi220 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 WizFi220 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 WizFi220 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.

WizFi 210 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 802.11b 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

WizFi 210 User Manual (WIZnet Co., Ltd.)

3

(2) Specifications

Specifications Description

Radio Protocol IEEE 802.11b Compatible

Supported Data Rates 11, 5.5, 2, 1 Mbps (802.11 b)

Modulation DSSS and CCK

RF Operating Frequency 2.412 - 2.462 GHz

Antenna Options U.FL connector for external antenna

Networking Protocols

Power Consumption

(Typical)

RF Output Power (Typical) 17dBm ± 1.5dB

Security Protocols

I/O Interface UART, SPI(*), I2C(*), WAKE, ALARM, GPIOs

Power Source 3.3V

Dimensions 32 x 23.5 x 3 mm

(*) is supported by software customizing.

UDP, TCP/IP (IPv4), DHCP, ARP, DNS, HTTP/HTTPS Client

and Server(*)

Standby = 34.0 µA

Receive = 124.0 mA

Transmit = 290.0 mA

WEP, WPA/WPA2 – PSK, Enterprise, EAP-FAST, EAP-TLS,

EAP-TTLS, PEAP

Table 1. Specifications

WizFi 210 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
Input Low Voltage (VIL)
Input High Voltage (VIH)

Schmitt trig. Low to High threshold point (VT+)

Schmitt trig. High to Low threshold point (VT-)

Table 3. Digital Input Specifications

(3) Digital Output Specifications

Min Typ Max Unit

IO Supply Voltage
Output Low Voltage (VIL)
Output High Voltage (VIH)

1.62/3 1.8/3.3 1.98/3.63 V

-0.3 0.25V

0.8V

DDIO

V

DDIO

V

DDIO

V

1.5 V
1 V

1.62/3 1.8/3.3 1.98/3.63 V
0 0.4 V

1.3 V

DDIO

V

Output rise time (t

Output fall time (t

TLH

THL

)

)

7 ns
7 ns

Table 4. Digital Output Specifications

WizFi 210 User Manual (WIZnet Co., Ltd.)

5

(4) I/O Digital Specification (Tri-State)

Min Typ Max Unit

IO Supply Voltage 1.62/3 1.8/3.3 1.98/3.63

Input Low Voltage (VIL) -0.3 0.25V

Input High Voltage (VIH) 0.8V

V

DDIO

DDIO

Schmitt trig. Low to High threshold

point (V

T+

)

1.5 V

Schmitt trig. High to Low threshold

point (VT-)

Pull-Up Resistor (Ru)

Pull-Down Resistor (Rd)

Output Low Voltage (VOL)

Output High Voltage (VOH)

Output rise time @ 3.3V (t

Output fall time @ 3.3V (t

Input rise time (t

Input fall time (t

TiLH

TiHL

)

)

ToLH

ToHL

)

)

1 V

0.05 1

0.05 1

0 0.4

1.3 V

DDIO

7 ns

7 ns

7 ns

7 ns

V

DDIO

V

MΩ

V

V

ns

Table 5. I/O Digital Specification

WizFi 210 User Manual (WIZnet Co., Ltd.)