WISMC03BI Manual - Digi-Key
Contents
1. Up to 100 metres free space Infrastructure and ad hoc IBSS High performance 2dBi multilayer ceramic 50 Ohm U FL connection Supported using integrated and external antennae RS 232 bi directional for commands and data 16550 compatible Configurable from 9 600 to 921 600bps 8 Odd even none 1or2 115200 n 8 1 3 0V CMOS DTR DSR DCD RI RTS CTS t 12 general purpose I O pins 3 0V CMOSt 2 ADC inputs 10 bit 3 0V max DSR DTR RI and DCD are configurable either as GPIO or as modem control lines 5 wwwiairdtech com Laird Technologies WISMCO3BI Wireless LAN Module Device Server SPECIFICATIONS ESTERS ill FEATURE BVRENENTATIGN www lairdtech com Security Protocols Power Consumption Supply Voltage Embedded Wireless Processor System Coexistence Compatibility Connections Physical Environmental Approvals Miscellaneous Network Drivers Internet Powersave modes Current Consumption Supply Regulation Specification WLAN functions Upgradeability Bluetooth Interface External Antenna Dimensions Weight Operating Temperature Storage Temperature FCC IC CE amp R amp TTE Lead free Warranty Open Connection WEP encryption 64 and 128 bit options WPA PSK WPA2 Enterprise amp Personal IEEE 802 11i PSK AES CCMP TKIP Encryption SSL2 SSL3 TLS1 Hardware Acceleration for security features Encryption modes require an external supplicant 8022. Selects use of WEP security See firmware release notes for other security parameters Sets the WEP encryption key See firmware release notes for other Security parameters Selects authentication strategy to use in combination with WEP Performs a search for local Access Points Attaches the module to the specified Access Point Detaches the module from the current Access Point Selects either AP or ad hoc mode of operation Sets the operating channel for an ad hoc network Reads back the MAC address of the module Selects the power save mode Reports signal strength information for the current AP connection Gets the current region for which the module is configured Sets the region Initializes the ADC for a particular channel Reads the specified ADC channel Set PIO line s to be outputs Set PIO line s to be inputs Set output line s high Set output line s low Reads state of input GPIO line s Laird Technologies WISMCO3BI Wireless LAN Module Device Server FIRMWARE POWER SAVING FEATURES The module supports the Wireless LAN IEEE power saving function When this power saving mode is enabled the wireless LAN chipset goes to sleep when it is not actively receiving from the access point The chipset wakes up on a regular basis to receive broadcast messages from the AP or to transmit or receive unicast messages By using this technique the average power consumption of the chipset is red
3. 5 0 mm Insertion force 21 8N Withdrawal force 1st to 50th 10N Maximum connection cycles 50 See http Awww hirose co jp cataloge_hp e53700036 pdf for detail information on the PCB socket MOUNTING THE MODULE ONTO THE APPLICATION PLATFORM There are many ways to properly install the Module in the host device An efficient approach is to mount the PCB to a frame plate rack or chassis Fasteners can be M1 8 or M2 screws plus suitable washers circuit board spacers or customized screws clamps or brackets in 2 2mm diameter holes Note that care should be taken to ensure the head of the fixing does not interfere with the circuit Nylon fixings are recommended The antenna brown square component on top side of PCB must not be influenced by any other PCBs components or by the housing of the host device The proximity of the antenna to large metallic objects can affect the range and performance of the system Designers should carefully consider the location of the Module and the type of enclosure material that is used To prevent mechanical damage be careful not to force bend or twist the Module Be sure it is positioned flat against the host device Laird Technologies WISMCO3BI Wireless LAN Module Device Server APPLICATION INFORMATION 20 www lairdtech com Fixing Pillars Laird Technologies in conjunction with Richco has designed a mounting pillar for use with the Wireless LAN Module This allows the module to be securely he
4. Pins marked N C may have internal connections within the module and should not be connected to any external circuitry Laird Technologies WISMCO3BI Wireless LAN Module Device Server ELECTRICAL SPECIFICATIONS 10 www lairdtech com ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings for supply voltage and voltages on digital and analogue pins of the Module are listed below Exceeding these values will cause permanent damage Peak current of power supply Voltage at digital pins 0 3 3 3 V Voltage at VCC_5V pin 3 3 5 V RECOMMENDED OPERATING PARAMETERS Power Supply VCC 5V 28 29 31 3 3V to 5 0V li 250mA All VCC 5V pins should be connected GND 11 15 18 30 36 38 All six GND pins should be connected Signal Levels for Interface and GPIO Input V max 0 8V V minz2 1V V max 3 3V Output Vy maxz0 2V Vg maxz0 4V Voymin 2 8V Voymin 2 6V RS 232 Interface UART_TX This pin must NOT be pulled low by external circuitry UART_RX 25 UART_CTS 19 UART_RTS 23 O UART_DSR 10 Used to place the module in Powersave 2 mode UART_DTR 12 O Direction is programmable default is Output UART RI 6 O Direction is programmable default is Output UART DCD 8 O Direction is programmable default is Output General Purpose I O and ADC GPIO 1 2 4 14 16 33 35 37 39 loro There is no GPIO3 GPIO 10 13 10 12 6 8 loro Shared with DSR DTR RI DCD ADCO ADC1 13 Range 0 3 0V Other Functions RESET Active high The RESET
5. 1 or Power Save 0 mode Powersave mode 1 requires beacons to be broadcast from an infrastructure access point Therefore it is not available when operating in ad hoc IBSS mode 16 www lairdtech com Laird Technologies WISMCO3BI Wireless LAN Module Device Server APPLICATION INFORMATION 17 www lairdtech com ANTENNA LOCATION The antenna used on the Wireless LAN module is designed to be largely immune from the effects of proximity detuning Normally antennas operating at 2 4GHz are affected by their surroundings so that great care is needed in their placement and orientation The Wireless LAN module can be used in most locations and orientations and is only marginally affected by the presence of a significant ground plane in close proximity The antenna distribution is close to isotropic which means that the orientation of mounting has only a limited effect on the overall range However the optimum range is achieved when the two antennae are directly facing each other Example of Radiation Characteristics Horizontal Polarization Vertical Polarization 2 400 GHz 2442 GHz 2 485 GHz 270 Typical Radiation Characteristics Measured at 2 5 meters from a standard dipole The module should not be located in a sealed metal enclosure as this will act as a Faraday cage and severely attenuate the radio signal The antenna finish may tarnish as a result of environmental conditions and handli
6. Max Tr p 0 7530 10 amp i Py tan K D Nm E e i 8 i le 4 ia 2 9 0 13 n 4 05 l U 13 50 1730 08 E 4 1 50 5 17 60 All dimensions in mm NOTES 1 RF antenna External Antenna connector Hirose U FL R SMT Board to board connector Hirose connector 2 0mm maximum top side component height excluding antenna 1 5mm maximum bottom side component height 3 8mm max pcb clearance for fixings body top and bottom 40 way connector footprint 2 2 0 075 fixing holes x 3 c 9 wr A uw Nw The Module is equipped with a 40 pin 0 5mm pitch board to board connector that connects to the application platform e e eo C EZURIO 2005 e oe e PRBLU23 002A1 01 8 www airdtech com Laird Technologies WISMCO3BI Wireless LAN Module Device Server ELECTRICAL SPECIFICATIONS 9 www lirdtech com 40 WAY HIROSE PIN DESCRIPTIONS The Hirose DF12C board to board connector on the module is a 40 pin double row receptacle The table below defines the pin functions The pin out is as viewed from the underside of the Module 1 ADC 0 3 0 V Max 2 GPIO1 V O for Host 3 ADC 1 3 0 V Max 4 GPIO2 VO for Host 5 WLAN ACTIVE Output 6 UART RI RING or GPIO12 7 N C 8 UART_DCD DCD or GPIO13 9 N C 10 UART_DSR DSR or GPIO10 11 GND 12 UART_DTR DTR or GPIO11 13 RESET Reset Input 14 GPIO4 V O for Host 15 GND 16 GPIO5 VO for Host 17 N C 18 GND 19 UART CTS Clear to Send In
7. amount of development time and making integration totally independent of the host operating system The twelve GPIO and two analogue input lines can be configured using commands to provide control or monitoring of simple devices such as switches or LEDs without requiring any external processing The module includes a high sensitivity high gain antenna which provides excellent range Typical open field performance yields an operating range up to 100 meters A second 50 Ohm U FL connection is provided for an external antenna This can be used in place of the internal antenna or in conjunction with the internal antenna to implement antenna diversity for improved receive performance Support is provided for low power modes that make the Wireless LAN module particularly applicable to battery powered installations It has been designed to ensure the best co existence with other devices operating within the same frequency spectrum and has hardware support designed into the module for 2 and 3 wire Bluetooth co existence schemes The Wireless LAN module is supplied in a small pcb form factor 22 8mm x 33 8mm x 7 6mm that connects to a main pcb using a 40 way Hirose connector which is pin compatible with the Laird Technologies Bluetooth Intelligent Serial Module BISMII The module is Lead free and RoHS compliant and supports an industrial operational temperature range of 40 C to 85 C The module has FCC modular certification Industry Canada cert
8. with a high performance antenna The 802 11b g SLIP Wireless LAN module is designed for applications with an existing host processor running a TCP IP stack and provides a fast and efficient way to convert a product from a wired to a wireless connection It enables designers to add wireless internet connectivity to almost any device with a serial port and TCP IP stack The module is designed for the lowest cost of integration and ownership It is ideal for enabling M2M applications The module is a dual processor design dedicating one processor to the 802 11b g baseband with a second powerful ARM7 processor with 16MB of SRAM and 64MB of flash memory running the wireless drivers UDP stack with SLIP interface and command interpreter Connection to the host device is via a high speed 921 600 bps UART with an additional twelve GPIO lines and two 10 bit ADCs The module has a comprehensive set of commands giving high level access to wireless network management simplifying the task of connecting to the 802 11 infrastructure The UART is used to carry both control and data frames Frames transferred across this interface are encapsulated in a simple SLIP protocol Data frames are presented as 802 3 packets control frames employ high level commands to configure and control the module s operation Because the module integrates the 802 11b g drivers it provides independence from the proprietary nature of wireless silicon implementations saving a significant
9. 11b 802 11g IPv4 UDP SLIP IEEE Powersave Modes 0 1 2 amp 5 Less than 250mA during data transfer with a configurable low power mode less than 5mA 3 3V 5 0V DC On board regulators brown out detection and watchdog ARM7 with 16Mb SRAM and 64Mb Flash Search Attach Detach Set Region etc Firmware upgradeable via UART 2 wire and 3 wire hardware coexistence schemes supported Pin compatible with Laird Technologies BISM Bluetooth modules 40 way Hirose DF 12 Connector U FL connector for 50 Ohm antenna 22 8mm x 33 8mm x 7 6mm 8 grams Low Power Mode 40 C to 85 C Continuous transmission 40 C to 60 C Minimum cold start temperature 25 C 50 C to 125 C Modular Approval PI405W Industry Canada Approved Lead free and RoHS compliant 2 Years Laird Technologies WISMCO3BI Wireless LAN Module Device Server SPECIFICATIONS BLOCK DIAGRAM The module has a 40 way Hirose connector which provides a compatible pin out to the same form factor Laird Technologies Bluetooth Intelligent Serial Module 40 way Hirose Connector ARM7 Processor Power Supply 802 1 1b g Diversity Switch Baseband amp RF Reset Switch 7 www airdtech com Laird Technologies WISMCO3BI Wireless LAN Module Device Server MECHANICAL WIRELESS LAN MODULE DIMENSIONAL OUTLINE SPECIFICATIONS e BOTTOM VIEW 13 Max e IRER 200 x 4 3
10. All brands and product names in this publication are registered trademarks or trademarks of their respective holders This material is preliminary Information furnished by Laird Technologies in this specification is believed to be accurate Devices sold by Laird Technologies are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only Laird Technologies makes no warranty express statutory and implied or by description regarding the information set forth herein Laird Technologies reserves the right to change specifications at any time and without notice Laird Technologies products are intended for use in normal commercial and industrial applications Applications requiring unusual environmental requirements such as mi support or life sustaining equipment are specifically not recommended without additional testing for such application Limited Warranty Disclaimer Limitation of Liability For a period of one 1 year from the date of purchase by the OEM customer Laird Technologies warrants the OEM transceiver against defects in materials and workmanship Laird Technologies wil warranty and this warranty will be automatically void if there has been any 1 tampering signs of tampering 2 repair or attempt to repair by anyone other than an Laird Technologies authorized warranty does not cover and Laird Technologies will not be liable for any damage or failure caused by misuse abuse acts of God acc
11. Typ 15 dBm 2dBi typ Typ 17dBmi Typ 84 dBm 2dBi typ 86dBm Typ 82dBm 2dBi typ 84dBm Laird Technologies WISMCO3BI Wireless LAN Module Device Server FUNCTIONAL DESCRIPTION 13 www lairdtech com The Wireless LAN module is designed for use with a host system that implements a TCP IP stack It provides a UDP stack and SLIP interface to allow fast integration The integrated high performance antenna together with the RF and baseband circuitry provides the Wireless LAN connectivity and the UART interface for a connection to a host system INTERFACES UART Interface Modem signal nomenclature can be a source of great confusion particularly on devices which can be configured in either DCE Data Communications Equipment or DTE Data Terminal Equipment format For the purpose of this data sheet all UART signals are defined on the assumption that the module is being used as a conventional DCE I e it is behaving like a serial PSTN modem UART TX UART RX UART RTS and UART CTS form a conventional asynchronous serial data port with handshaking conforming to the ITU T v 24 standard for DCE signalling The interface is designed to operate correctly when connected to other UART devices such as a 16550A Note that the signalling levels are a nominal OV and 3 0V and are inverted with respect to the signalling on an RS232 cable The interface is programmable over a variety of baud rates with no even or odd parity one or
12. USER MANUAL Z 2 a D fm EDS a 9 i Laird TECHNOLOGIES gt Innovative Technology for a Connected World WISMCO3BI Wireless LAN Module Device Server REVISION REVISION HISTORY HISTORY Revision Description 2 www airdtech com Laird Technologies WISMCO3BI Wireless LAN Module Device Server TABLE OF CONTENTS 3 www lairdtech com CONTENTS WISMCO3BI Wireless LAN Module Device Server 4 Sc D aseitaan e 4 WISMCO3BI Key Features sss 4 Specifications etin rote citer teta cin 5 Detailed Specifications Block Diagram aoi coiere scat cct iie Mechanical Specifications 8 Wireless LAN Module Dimensional Outline 8 Electrical Specifications 40 Way Hirose Pin Descriptions Absolute Maximum Ratings sss Recommended Operating Parameters 10 RF Performance Specifications Transmit Power Receive Sensitivity Functional Description sess 13 WARE ACES 4 Loon P E estere ein 13 UART Interface acrin a 13 Bluetooth Coexistence sssssssssssssssee 14 GPIQUPORE zen e e ariete S ottiene 14 AD or E tts RE URS 14 Firmware Features esee 15 Command Set POWER SAVING i cie ortho pti tent tee e a Application Information esse 17 AntenriaLOCatloni tre
13. ant risk that internal receive buffers will overflow which could lead to a loss of data Laird Technologies recommend that the correct UART_CTS to UART_RTS handshaking protocol be adhered to in order to ensure proper operation The UART_DSR signal is an input to the module to place it in Powersave Mode 2 The operation meaning and direction of the UART_RI and UART_DCD signals is user programmable Note that the serial module output is at 3 0V CMOS logic levels Level conversion must be added to interface with an RS 232 level compliant interface Laird Technologies WISMCO3BI Wireless LAN Module Device Server FUNCTIONAL DESCRIPTION 14 www lairdtech com Bluetooth Coexistence Three pins are provided to allow implementation of Bluetooth coexistence schemes when the 802 11 module is collocated with a Bluetooth radio These connect directly between the basebands of the two radios to ensure minimum interference Both 2 wire and 3 wire coexistence schemes can be supported Coexistence requires that the Bluetooth radio meets at least version 1 2 of the Bluetooth standard and supports Adaptive Frequency Hopping AFH GPIO Port Twelve lines of programmable bi directional input outputs I O are provided that can be accessed via the UART port with the IO family of commands These can be used as data inputs or to control external equipment Each of the GPIO pins can be independently configured to be either an Input or Output A selecti
14. ce te erento tens 17 External Antenna sss 18 Power Supply Considerations ssssssss 18 POWer OM ReSGE x 2 sea giten cetero iter 18 Operational Temperature sssssssssssss 18 Board to Board Connector and Stacking Height 19 Hirose Connector General Specification 19 Mounting the Module onto the Application Platform 19 Fixinig PIllatS cett eE d eter corn 20 Labeling scott ettet eto e ete 20 Orderingilnfornatiofr ec tete cns 20 Qualification aces crimi tovc iin Qualification Process Safety Information GOTH CAL OMS os coxa canens retenti tienes cde Related Documents sees Development Kit sss Disclaimers eese 23 User Manual Status 1 cete c 23 Laird Technologies WISMCO3BI Wireless LAN Module Device Server OVERVIEW AND KEY FEATURES 4 www airdtech com Laird Technologies 802 11b g SLIP Wireless LAN Module is a fully integrated and qualified wireless device server sub system designed to make it simple to embed 802 11 connectivity It has been designed to be pin compatible with the footprint of Siemens MC55 GPRS modules allowing designers to design one pcb to support either GPRS or Wireless LAN connectivity Unlike other wireless modules all of the necessary drivers protocol stack security algorithms up to the host TCP IP interface are integrated along
15. ecautions must be observed during all phases of the operation usage service or repair of any application incorporating this Module Manufacturers of the RF equipment are advised to convey the following safety information to users and operating personnel and to incorporate these guidelines into all manuals supplied with the product Failure to comply with these precautions violates safety standards of design manufacture and intended use of the product Laird Technologies assumes no liability for customer failure to comply with these precautions SAFETY INFORMATION If the WLAN module is used in equipment that might be taken and operated on a commercial flight the following safety instructions or similar warning should be added to the user manual Switch off the Wireless device before boarding an aircraft Make sure it cannot be switched on inadvertently The operation of wireless appliances in an aircraft is forbidden by many airlines to prevent interference with communications systems CERTIFICATIONS FCC and Industry Canada Statements 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 Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the eq
16. er failure to comply with national RF approval R amp TTE Notification Requirement The 2 4GHz band has some restrictions within the EU when the transmit power level is greater than 10mW R amp TTE Class 2 Because of this it is designated within R amp TTE as a non harmonised band Such products must be notified to the appropriate Notified Body within each country where it is placed on the market Laird Technologies has notified the WISM module but manufacturers incorporating it within their products and intending to sell these within Europe have a responsibility to notify the appropriate nominated body before commercial introduction A list of nominated bodies is available at http eur lex europa eu LexUriServ site en oj 2003 c_302 c_30220031212en00010414 pdf Further details on the notification procedure are given in Laird Technologies Application Note ANO16 Notification Requirements for Wireless Products Laird Technologies WISMCO3BI Wireless LAN Module Device Server RELATED RELATED DOCUMENTS DOCUMENTS ANOO08 Wireless Development Kit User Guide ANO16 Notification Requirements for Wireless Products ANO17 Interfacing to the WISM ADC input WHP 050004 1VO Bluetooth and 802 11 Coexistence WISM SLIP Programming Manual Documents are available for download from www lairdtech com DEVELOPMENT KIT Laird Technologies offers a Wireless Development Kit for embedded developers which is unique in supporting Bluetooth 802 11 a
17. h Laird Technologies for the most recent data before initiating or completing a design www lairdtech com wireless Laird TECHNOLOGIES Innovative Technology for a Connected World Laird Technologies is the world leader in the design and manufacture of customized performance critical products for wireless and other advanced electronics applications Laird Technologies partners with its customers to find solutions for applications in various industries such as Network Equipment Telecommunications Data Communications Automotive Electronics Computers Aerospace Military Medical Equipment Consumer Electronics Laird Technologies offers its customers unique product solutions dedication to research and development as well as a seamless network of manufacturing and customer support facilities across the globe LWS UM WISMCO3BI 0409 Copyright 2009 Laid Technologies Inc All rights reserved The information contained in this manual and the accompanying software programs are copyrighted and all rights are reserved by Laird Technologies Inc Laird Technologies Inc reserves the right to make periodic modifications of this product without obligation to notify any person or entity of such revision Copying duplicating selling or otherwise distributing any part of this product or accompanying documentation software without the prior consent of an authorized representative of Laird Technologies Inc is strictly prohibited
18. ice Server DISCLAIMERS global USA 1 800 492 2320 Europe 44 1628 858 940 Asia 852 2268 6567 wirelessinfoGlairdtech com LAIRD TECHNOLOGIES WIRELESS PRODUCTS ARE NOT AUTHORISED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE MANAGING DIRECTOR OF LAIRD TECHNOLOGIES The definitions used herein are a Life support devices or systems are devices which 1 are intended for surgical implant into the body or 2 support or sustain life and whose failure to perform when properly used in accordance with the instructions for use provided in the labelling can reasonably be expected to result in a significant injury to the user b A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system or to affect its safety or effectiveness Laird Technologies does not assume responsibility for use of any of the circuitry described no circuit patent licenses are implied and Laird Technologies reserves the right at any time to change without notice said circuitry and specifications USER MANUAL STATUS Laird Technologies reserve the right to change the specification without prior notice in order to improve the design and supply the best possible product Updated information firmware and release notes will be made available on www lairdtech com Please check wit
19. idents electrical irregularity or other causes beyond Laird Tech itary medical life not honor this technician This nologies control or claim by other than the original purchaser In no event shall Laird Technologies be responsible or liable for any damages arising From the use of product From the loss of use revenue or profit of the product or As a result of any event circumstance action or abuse beyond the control of Laird Technologies whether such damages be direct indirect consequential special or otherwise and whether such damages are incurred by the person to whom this warranty extends or third party If after inspection Laird Technologies determines that there is a defect Laird Technologies will repair or replace the OEM transceiver a the product is replaced it may be a new or refurbished product 24 their discretion If
20. ification and CE approval These approvals allow users to simplify or bypass RF regulatory testing enhancing time to market and reducing approvals time and cost APPLICATION AREAS e POS equipment e Automotive applications e Medical equipment e Street furniture e Telematics e Industrial automation e Metering applications Laird Technologies WISMCO3BI Wireless LAN Module Device Server SPECIFICATIONS Wireless Specification Antenna Modes UART Interface General Purpose Interface Standards Supported Frequency Channels Max Transmit Power Receive Sensitivity Data Rates Data Transfer rate Modulation Schemes Range Connection Modes Integrated Antenna External Antenna Antenna Diversity Serial Interface Baud Rate Bits Parity Stop bits Default Serial parameters Levels Modem Control VO ADC IEEE 802 11b IEEE 802 11g 2 412 2 484 GHz 11 channels USA 13 channels Europe 4 channels France EIRP gt 10mW outdoors 14 channels Japan Programmable selection of region 802 11b 15 dBm antenna connector 802 11b 17 dBmi from integrated antenna 802 119 13 dBm antenna connector 802 119 15 dBmi from integrated antenna 802 11b 91dBm 1 Mbps 84dBm 11Mbps 802 119 84dBm 6Mbps 67dBm 54Mbps 54Mbps 1Mbps with automatic fallback Up to 921 6kbps limited by UART 802 11b BPSK QPSK CCK DSSS 802 11g BPSK QPSK 16 QAM 64 QAM OFDM
21. ld to a primary pcb using snap fit details A variety of heights are available to accommodate different variants of Hirose stacked connectors Pillars supporting a 3 5mm stacked board height can be supplied by Laird Technologies These and alternative spacings can also be ordered directly from Richco Customer designs using these pillars should use 2 5mm diameter holes on a 1 6m m thick PCB pobit o Li Vig N x Age 3 6 mm NPR2005 153 3 6 Laird Technologies Richco CL537 0032 4 86 4 1 mm NPR2005 153 4 1 Richco CL537 0057 5 86 5 1 mm NPR2005 153 5 1 Richco CL537 0157 0 86 LABELLING The label contains the part number firmware version loaded at manufacture serial number and statutory approvals information m Firmware Version 1 Part Number WISMCOxBI FF FCC Approval FCC PI405W IC Approval IC 1931B WISM Code 39 3 dot 2 1 Ratio Char 1 Place of Manufacture code Char 2 Year of manufacture code Char 3 4 Week of Manufacture Char 5 9 Module Number CE Class 2 gt Needs notification CCO LU L i 1 1 1 Made in TH SE50000105 Serial Number 1 LU I ORDERING INFORMATION The WISM described in this data sheet should be ordered using the part number below WISMCO3BI 802 11b g Wireless LAN SLIP Module 40 pin Laird Technologies WISMCO3BI Wireless LAN Module Device Server QUALIFICATION 21 www lairdtech com QUALIFICATION PROCESS The following safety pr
22. line has a fixed 10kOhm pull down resistor to ground followed by a 10kOhm resistor feeding the base of a transistor 3VOUT 27 O Used to monitor the state of the regulated supply within the module THIS PIN MUST NOT BE USED TO POWER AN EXTERNAL CIRCUIT Laird Technologies WISMCO3BI Wireless LAN Module Device Server ELECTRICAL SPECIFICATIONS 11 www lairdtech com Signal Levels for Bluetooth Coexistence and Wakeup Pins Input V maxe1 0V V minz1 5V V max 3 5V Output Vo max 0 4V Vo min 2 4V Bluetooth Coexistence SIGNALNAME PNNO VO COMMENTS O WLAN_ACTIVE 5 BT_PRIORITY 24 If unused this pin should be pulled low BT STATE 40 If unused this pin should be pulled low Wakeup WAKEUP 22 Reserved for future use The WAKEUP line has a fixed 100kOhm pull up resistor Laird Technologies WISMCO3BI Wireless LAN Module Device Server RF PERFORMANCE SPECIFICATIONS 12 www lairdtech com TRANSMIT POWER 802 11G Conducted Transmit Power Antenna Gain Integrated Antenna Effective Transmit Power TRANSMIT POWER 802 11B Conducted Transmit Power Antenna Gain Integrated Antenna Effective Transmit Power RECEIVE SENSITIVITY 802 11B Receive Sensitivity 11Mbps Antenna Gain Integrated Antenna Effective Receive Sensitivity RECEIVE SENSITIVITY 802 11G Conducted Transmit Power Antenna Gain Integrated Antenna Effective Receive Sensitivity Typ 13 dBm 2dBi typ Typ 15dBmi
23. n the ambient temperature rises above 60 C the module should only be operated in powersave mode 1 or higher The Wireless LAN module can operate in temperatures as low as 40 C but the cold start minimum temperature must not be below 25 C 18 www lairdtech com Laird Technologies WISMCO3BI Wireless LAN Module Device Server APPLICATION INFORMATION 19 www lairdtech com BOARD TO BOARD CONNECTOR AND STACKING HEIGHT The WISM connects to a motherboard by means of a board to board connector that is supplied by Hirose Mating headers from Hirose are available in different stacking heights allowing the spacing between the WISM module and carrier pcb to be changed from 3 5mm to 5 0mm Receptacle on Module DF12C 40DS 0 5V 86 3 5 mm 5 mm CL537 0007 7 86 Headers DF12 series DF12 3 5 40DP 0 5V 86 3 5mm CL537 0032 4 86 DF12 4 0 40DP 0 5V 86 4 0 mm CL537 0057 5 86 DF12 5 0 40DP 0 5V 86 5 0 mm CL537 0157 0 86 Notes The headers listed above are with boss and metal fitting Suffix 86 denotes RoHS compliance HIROSE CONNECTOR GENERAL SPECIFICATION Number of Contacts 40 Quantity delivered 2000 Connectors per Tape amp Reel Voltage 50V Current Rating 0 5A max per contact Resistance 0 05 Ohm per contact Dielectric Withstanding Voltage 500V RMS min Operating Temperature 45 C to 125 C Contact Material phosphor bronze surface gold plated Insulator Material PA beige natural Stacking height 3 0 mm 3 5 mm 4 0 mm
24. nd GSM GPRS It provides a simple design environment that can dramatically reduce the development time of wirelessly enabled products The Wireless Development Kit is available with Laird Technologies pre qualified Bluetooth and 802 11 Wireless LAN modules and accepts both 40 pin and 50 pin versions of these modules Laird Technologies modules contain embedded protocol stacks removing the need for complex programming on a host processor Features Bluetooth Complete qualified Bluetooth stack Support for Version 2 0 Upgradeable for Bluetooth 2 1 when available Simple AT style programming interface Audio codec evaluation kits available 802 11b g Enhanced drivers for low power operation Robust TCP IP stack or UDP SLIP Integrated Web Server TCP IP version only Embedded interpreter UWScript for fast development TCP IP version only range of codec audio development boards for Bluetooth voice applications are available These can be plugged into the wireless development kit for rapid of audio applications For cellular applications the Wireless Development Kit also supports Siemens MC55 range of GSM GPRS modules which are pin compatible with Laird Technologies wireless LAN module This permits designers to develop products which can support either short range or wide area wireless connectivity with incredibly fast time to market 22 www lairdtech com Laird Technologies WISMCO3BI Wireless LAN Module Dev
25. ng This is a cosmetic effect and does not affect the RF performance Laird Technologies WISMCO3BI Wireless LAN Module Device Server APPLICATION EXTERNAL ANTENNA INFORMATION The approval of the module was performed using a 3dBi external antenna from RF Castle Electronics www rfcastle com pdf RF 3dbi 20DipoleA pdf The antenna was connected using a short cable to convert from the U FL connector on the module to a reverse SMA The conditions of approval allow the use of an alternative antenna but require that the resulting effective radiated power does not exceed that exhibited during the approvals testing To ensure that the approval is not affected the TOTAL GAIN of the external antenna including insertion loss of the connectors and cable must be less than 3aBi If a higher gain is employed then the pre approved status of the module will be lost Customers must also ensure that the frequency characteristic of their antenna matches that of the antenna used for approval As antennae are tuned for their frequency band the use of a different antenna technology may result in a change in emissions outside the 2 4GHz band It is the customer s responsibility to ensure that an external antenna does not negate the approval U FL connectors are supplied from a number of connector manufacturers Details of Hirose s mating U FL connectors are available at http wwwv hirose co jp cataloge hp e32119372 pdf POWER SUPPLY CONSIDERATIONS The p
26. on of ports can be accessed synchronously Four of the lines GPIO 10 13 are shared with modem control functions If they are used to implement a fully featured UART then they cannot be used for GPIO ADC The Wireless LAN module provides access to two 10 bit ADCs These provide an input range of OV to 3 0v Suitable external scaling and over voltage protection should be incorporated in your design Please refer to the WISM ADC Application Note ANO17 for information on interfacing the ADC pins Laird Technologies WISMCO3BI Wireless LAN Module Device Server FIRMWARE FEATURES 15 wwwiairdtech com COMMAND SET The module supports the following commands Details of the complete command list are provided in a separate Programming Guide the following are a provided as an overview UARTMODIFY SECURITY KEY AUTHENTICATE SEARCH ATTACH DETACH BSSTYPE CHANNEL MACADDRESS POWERSAVE GETRSSI GETREGION SETREGION INITADCCHANNEL READADCCHANNEL CFGGPIOOUTPUT CFGGPIOINPUT SETGPIO CLEARGPIO READGPIO Baud Baud rate 9600 19200 38400 57600 115200 230400 921600 Length 8 bits only allowed option Parity Even Odd Stop 1 2 Flag none WEP Keystring 10 or 26 Hex digits setting 64 or 128 bit encryption key Flag Open or closed Name Alphanumeric AP SSID Channel 1 11 Europe 1 13 US and 1 14 Japan Flag Powersave mode 0 1 2 5 Configures the UART parameters
27. ower supply for the Module must be a single voltage source within the range of 3 3 V to 5 0 V It must be able to provide sufficient current for a transmit burst This can rise to 550mA The Module includes on board regulators to provide local 3 0V This rail is accessible on pin 27 for monitoring purposes only Under no circumstances should this pin be used to source current Power VCC_5V is provided via the board to board connector Pins 28 29 and 31 All VCC_5V and GND pins should be connected to ensure that individual pin current capacities are not exceeded during transmit current peaks POWER ON RESET The Module is provided with an active high reset pin Hirose 40way DF12C connector pin 13 However on the application of power the Power On Reset circuit built into the Module will ensure that the unit starts correctly The external reset signal allows the module to be reset under software control from the host After a power on or reset operation the module will de assert the UART_RTS output and re assert it when it is ready to receive commands OPERATIONAL TEMPERATURE The Wireless LAN module is designed to meet an operational temperature of 40 C to 85 C in normal operation where it is running in IEEE power save mode If the module is run in a mode that results in more frequent receive and transmit activity the operating temperature will need to be derated to ensure that overall module power dissipation limits are not exceeded Whe
28. put 20 N C 21 UART TX Transmit Data Output 22 WAKEUP Reserved 23 UART RTS Request to Send Output 24 BT PRIORITY Input 25 UART RX Receive Data Input 26 N C 27 VCC 3V 3 0V Monitor 28 VCC 5V Supply 29 VCC 5V Supply 30 GND 31 VCC 5V Supply 32 N C 33 GPIO6 V O for Host 34 N C 35 GPIO7 V O for Host 36 GND 37 GPIO8 V O for Host 38 GND 39 GPIO9 V O for Host 40 BT STATE Input Notes The reset circuitry within the module incorporates a brown out detector The reset pin has a fixed 10kOhm pull down resistor to ground followed by a 10kOhm resistor feeding the base of a transistor GPIO lines can be configured through software to be either inputs or outputs At reset all GPIO lines other than those that have dual functionality as modem control signals are configured as inputs UART RX UART TX UART CTS UART RTS UART RI UART_DCD UART DTR and UART DSR are all 3 0v level logic When the signal sits at 3 0V it is de asserted When the signal is at OV it is asserted UART_RX UART TX UART CTS UART RTS are controlled directly by the module The operation of UART RI UART DCD and UART_DTR is user programmable Pin 27 VCC 3V may only be used for monitoring purposes It must not be used as a current source Pin 22 WAKEUP will be used for future powersave functionality It has an internal 100kOhm pull up ADC inputs pins 1 and 3 are read using commands over the UART UART DSR is used to signal the module to enter Power Save Mode 2
29. two stop bits and hardware flow control Non standard baud rates are supported for more information please contact Laird Technologies Auto bauding is not supported On power up the UART defaults to 115200 n 8 1 Note that there is no standardization regarding the nomenclature of RX and TX across a DCE DTE interface Some implementations show TX DCE connected to TX DTE to give naming consistency across a cable whereas other show TX driving RX to reflect logical port directions Always check the direction of ports on DCE and DTE In a DCE mode where the module is being driven as a peripheral by a host processor application the UART signals should be connected according to the following scheme Application UART TX UART CTS DTE UART RTS Port UART TX transmits data to the application s RXD input Port UART_RX receives data from the application s TXD output Two way hardware flow control is implemented by UART_RTS and UART_CTS In DCE mode UART_RTS is an OUTPUT and is active low UART_CTS is an INPUT and is active low These signals operate according to normal industry convention Some serial implementations link UART_CTS and UART_RTS to remove the need for handshaking Laird Technologies does not recommend linking UART_CTS and UART_RTS other than for testing and prototyping If these pins are linked and the host sends data at the point that the Wireless Module deasserts its UART_RTS signal then there is a signific
30. uced from around 250mA in active receive mode to less than 35mA The Laird Technologies module offers IEEE power save operation in three different modes Powersave mode 1 The wireless LAN chipset operates in IEEE powersave mode and the module microcontroller remains fully awake and ready to receive commands and data from the host This mode of power saving reduces the average consumption of the module to 35mA Powersave mode 2 The wireless LAN module operates in IEEE powersave mode and the module microcontroller is put into a very low power standby mode The average current consumption in this mode is reduced to lt 5mA In power save mode 2 UART_DSR is used by the host to indicate that the module can enter the low power state When UART_DSR is de asserted the module microcontroller enters low power standby The microcontroller will re start when either a packet is received from the AP or the host requests it by asserting UART_DSR e Powersave mode 5 The modules default mode of start up is in Powersave mode 5 At start up the module automatically enters Power Save 5 mode The average current consumption in this mode is reduced to lt 25mA In this mode the module powers down the WLAN chipset and awaits commands from the host The host may only send the following commands o UARTMODIFY o POWERSAVE o MACADDRESS o VER In Powersave mode 5 no other commands will be accepted by the module until it has entered either Power Save
31. uipment To inherit the modular approval the antennas for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co located or operating in conjunction with any other antenna or transmitter Co location with other radio transmitting devices operating concurrently in the same band will require additional testing and certification Designers should note the distinction that the FCC makes regarding portable and mobile devices Mobile devices are defined as products that are not used closer than 20cm to the human body whereas portable devices can be used closer that 20cm to the body In the case where the WISM module is used in a portable device additional SAR testing must be performed on the complete product FCC Labelling requirement If the FCC ID is not visible when the module is installed inside another device then the outside of the device into which the module is installed must also display a label referring to the enclosed module This exterior label can use wording such as the following Contains Transmitter Module FCC ID PIA405W or Contains FCC ID PIA05W Any similar wording that expresses the same meaning may be used National RF approvals A list of the countries where the Module is approved will be provided by Laird Technologies as required As a minimum the product is listed in Europe Scandinavia Canada and USA Laird Technologies assumes no liability for custom
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