Skylab M and C Technology SKW71 WIFI module User Manual SKW18 2X2 USB Wi Fi Module

Skylab M&C; Technology Co.,Ltd. WIFI module SKW18 2X2 USB Wi Fi Module

User manual

深圳市天工测控技术有限公司 SKW71-User Manual SKW71-UM-001,A/1 1 SKW71 User Manual General Description The module SKW71 compliant to 802.11 b/g/n Wi-Fi Solution for low power, low-cost, and highly integrated AP and consumer electronic devices, the module requiring only a external 3.3V power supply and connection to antenna. The module based on the single chip AR9331 which integrates an 802.11n 1x1 MAC/BB/radio with internal PA and LNA. It supports 802.11n operations up to 72 Mbps for 20 MHz and 150 Mbps for 40 MHz channel respectively, and IEEE 802.11b/g data rates. The module support AP mode and client mode and repeater mode and UART wifi. Applications  AP WIFI  UART WIFI  Repeater WIFI  IP TV  IP DVD(Internet VOD Player)  Set Top Box  Home Gateways  Gaming Consoles  DVR Figure 1: SKW71 Top View
深圳市天工测控技术有限公司 SKW71-User Manual SKW71-UM-001,A/1 2 Features  Compliant to IEEE 802.11b/g/n 1x1WLANs  DDR2 memory up to 512Mb  Flash memory up to 64Mb  1LAN ports and 1 WAN port  High-speed UART  USB 2.0 host device mode support  Support AP/Client/Repeater mode  Support UART to wifi transparent  Security: WEP 64/128, WPA, WPA2, TKIP, AES, WAPI  RoHS compliance meets environment-friendly requirement.  45(L) x 17.3(W) x 9.0(H) mm small dimension Module Pinout Figure 2: SKW71 Dimensions Figure 3: SKW71 Pin Package Pin Description
深圳市天工测控技术有限公司 SKW71-User Manual SKW71-UM-001,A/1 3 1 VDD_3.3V 3.3V input 1000mA, recommended voltage 3.3V,Min2.97V, MAX 3.63V 2 GND Ground 3 GPIO_23 KEY_INPUT, be free for customer defined. 4 WAN_PORT_RX+ Ethernet port 5 I2S_WS(GPIO_19) Word select for stereo 6 WAN_PORT_RX- Ethernet port 7 I2S_MICIN(GPIO_22) I2S Data input 8 WAN_PORT_TX+ Ethernet port 9 I2S_MCK(GPIO_21) Master clock 10 WAN_PORT_TX- Ethernet port 11 I2S_SD(GPIO_20) Serial data input/output 12 LAN_PORT0_RX+ Ethernet port 13 I2S_CK(GPIO_18) Stereo clock 14 LAN_PORT0_RX- Ethernet port 15 USB + USB signal, carries USB data to and from the USB 2.0 PHY 16 LAN_PORT0_TX+ Ethernet port 17 USB - USB signal, carries USB data to and from the USB 2.0 PHY 18 LAN_PORT0_TX- Ethernet port 19 LED7(GPIO_27) SYSTEM LED 20 GND Ground 21 LED8(GPIO_26) JMP_START LED 22 VDD_2.0V OUTPUT Power supply output for peripheral network transformer 23 RESET_CONFIG (UART_CTS) (GPIO_12) resets the firmware to its default configuration, it has a internal 10k drop down resistance, and trigger while Pulling up 24 VDD_2.0V OUTPUT Power supply output for peripheral network transformer 25 JUMPSTART (UART_RTS) (GPIO_11) KEY_INPUT to start WPS function, it has a internal 10k drop down resistance, and trigger while Pulling up 26 GND Ground 27 GND Ground 28 SPI_MISO SPI serial interface 29 VDD_3.3V 3.3V input 1000mA, recommended voltage 3.3V,Min2.97V, MAX 3.63V 30 SPI_CLK SPI serial interface 31 VDD_3.3V 3.3V input 1000mA, recommended voltage 3.3V, Min2.97V, MAX 3.63V 32 SPI_MOSI SPI serial interface 33 LED6 (GPIO_17) WLAN LED
深圳市天工测控技术有限公司 SKW71-User Manual SKW71-UM-001,A/1 4 34 LED2 (GPIO_13) LAN_PORT0_LED 35 LED1 (GPIO_1) USB LED 36 LED0 (GPIO_0) Wireless LED 37 UART_RX (SPI_CS1) Serial data in 38 UART_TX (SPI_CS2) Serial data out 39 GND Ground 40 GND Ground PCB Footprint and Dimensions Figure 4: SKW71 Footprint
深圳市天工测控技术有限公司 SKW71-User Manual SKW71-UM-001,A/1 5 Reference design schematic
深圳市天工测控技术有限公司 SKW71-User Manual SKW71-UM-001,A/1 6
深圳市天工测控技术有限公司 SKW71-User Manual SKW71-UM-001,A/1 7
深圳市天工测控技术有限公司 SKW71-User Manual SKW71-UM-001,A/1 8 Skylab M&C Technology Co., Ltd. Address: 9th Floor, Zhongguang Building, Yayuan Road, Bantian, Shenzhen Phone: 86-755 8340 8210（Sales Support） Phone: 86-755 8340 8510（Technical Support） Fax: 86-755-8340 8560 E-Mail: sales1@skylab.com.cn Website: www.skylab.com.cn Changes or modifications not expressly approved by the party responsible for compliance could voidyour authority to operate the equipment.NOTE: 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 protectionagainst harmful interference in a residential installation.This equipment generates uses and can radiate radio frequency energy and, if not installed and usedin 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 thisequipment does cause harmful interference to radio or television reception, which can be determinedby turning the equipment off and on, the user is encouraged to try to correct the interference by oneor more of the following measures:1.Reorient or relocate the receiving antenna.2.Increase the separation between the equipment and receiver.3.Connect the equipment into an outlet on a circuit different from that to which the receiver isconnected.4.Consult the dealer or an experienced radio/TV technician for help.Warning:Any company of the host device which install this modular with limit modular approval should perform the test of radiated emission and spurious emission according to FCC part 15C : 15.247 ; IC RSS 247 ;15.209 ; RSS GEN requirement， Only if the test result comply with FCC part 15C : 15.247 ; IC RSS 247 ;15.209 ; RSS GEN requirement，then the host can be sold legally.
FCC Statement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equipment.NOTE: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or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RadiationExposureStatementThemodularcanbeinstalledorintegratedinmobileorfixdevicesonly.Thismodularcannotbeinstalledinanyportabledevice,forexample,USBdongleliketransmittersisforbidden.ThismodularcomplieswithFCCRFradiationexposurelimitssetforthforanuncontrolledenvironment.Thistransmittermustnotbeco‐locatedoroperatinginconjunctionwithanyotherantennaortransmitter.Thismodularmustbeinstalledandoperatedwithaminimumdistanceof20cmbetweentheradiatoranduserbody.IftheFCCidentificationnumber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:2ACOE‐SKW71OrContainsFCCID:2ACOE‐SKW71”whenthemoduleisinstalledinsideanotherdevice,theusermanualofthisdevicemustcontainbelowwarningstatements;1.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.(2)Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation.2.Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoidtheuser'sauthoritytooperatetheequipment.Thedevicesmustbeinstalledandusedinstrictaccordancewiththemanufacturer'sinstructionsasdescribedintheuserdocumentationthatcomeswiththeproduct
IC STATEMENT ThisdevicecomplieswithIndustryCanada’slicence‐exemptRSSs.Operationissubjecttothefollowingtwoconditions:(1)Thisdevicemaynotcauseinterference;and(2)Thisdevicemustacceptanyinterference,includinginterferencethatmaycauseundesiredoperationofthedevice.CetappareilestconformeauxCNRexemptesdelicenced'IndustrieCanada.Sonfonctionnementestsoumisauxdeuxconditionssuivantes:(1)Cedispositifnepeutcauserd'interférences;et(2)Cedispositifdoitacceptertouteinterférence,ycomprislesinterférencesquipeuventcauserunmauvaisfonctionnementdel'appareil.ICRadiationExposureStatementThemodularcanbeinstalledorintegratedinmobileorfixdevicesonly.Thismodularcannotbeinstalledinanyportabledevice,forexample,USBdongleliketransmittersisforbidden.ThismodularcomplieswithICRFradiationexposurelimitssetforthforanuncontrolledenvironment.Thistransmittermustnotbeco‐locatedoroperatinginconjunctionwithanyotherantennaortransmitter.Thismodularmustbeinstalledandoperatedwithaminimumdistanceof20cmbetweentheradiatoranduserbody.Cettemodulairedoitêtreinstalléetutiliséàunedistanceminimumde20cmentreleradiateuretlecorpsdel'utilisateur.IftheICnumber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IC:20742‐SKW71”whenthemoduleisinstalledinsideanotherdevice,theusermanualofthisdevicemustcontainbelowwarningstatements;1.ThisdevicecomplieswithIndustryCanada’slicence‐exemptRSSs.Operationissubjecttothefollowingtwoconditions:(1)Thisdevicemaynotcauseinterference;and(2)Thisdevicemustacceptanyinterference,includinginterferencethatmaycauseundesiredoperationofthedevice.2.CetappareilestconformeauxCNRexemptesdelicenced'IndustrieCanada.Sonfonctionnementestsoumisauxdeuxconditionssuivantes:(1)Cedispositifnepeutcauserd'interférences;et(2)Cedispositifdoitacceptertouteinterférence,ycomprislesinterférencesquipeuventcauserunmauvaisfonctionnementdel'appareil.Thedevicesmustbeinstalledandusedinstrictaccordancewiththemanufacturer'sinstructionsasdescribedintheuserdocumentationthatcomeswiththeproduct

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