Lierda Science and Technology Group LSD4WF2MD05106 Wi-Fi Module User Manual

Lierda Science & Technology Group Co.,Ltd Wi-Fi Module

User Manual

1 Lierda Science & Technology Ltd LSDSCIENCE&TECHNOLOGYCO.,LTD.  LSD4WF-2MD05106(XXXY) Low Power Wi-Fi Module User Manual Model ：LSD4WF-2MD05106 Name ：Wi-Fi Module Revision ：v1.0 
2 Index1.Productoverview .............................................................................................................................................. 3 1.1GeneralDescription ................................................................................................................................ 3 1.2Features ..................................................................................................................................................... 3 2.Parameters .......................................................................................................................................................... 4 3.Package ................................................................................................................................................................ 5 4.Pindefinition ...................................................................................................................................................... 6 5.Behaviorofelectricity ....................................................................................................................................... 8 6.Typicalapplication ............................................................................................................................................ 8 7.Referencedesign ............................................................................................................................................... 9 8.Developingtool ................................................................................................................................................. 9 OEM Labeling Requirements: NOTICE:The OEM or final integrator must ensure that FCC labeling requirements are met.This includes an additional label on the outside of the final product housing with the following contents: Company Name：ＸＸＸＸ MODEL: ＹＹＹＹ Contains Model: LSD4WF-2MD05106(XXXXY) FCC ID:N8NLSD4WF2MD05106 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.To satisfy FCC RF Exposure requirements for this transmission devices, aseparation distance of 20 cm or more should be maintained between the antenna of thisdevice and persons during operation. To ensure compliance, operation at closer thanthis distance is not recommended. The antenna(s) used for this transmitter must notbe co-located or operating in conjunction with any other antenna or transmitter.
3 1. Productoverview1.1GeneralDescriptionLSD4WF-2MD05106 is a Wi-Fi module for any electronic device to achieve networking capabilities. The module is fully in line with the 802.11b/g/n international standard specification, the internal integrated high performance Wi-Fi chip make it easy to access the serial port equipment or MCU control equipment to network, so as to realize wireless networking. Built-in TCP/IP protocol stack, supports STA/AP/STA+AP coexistence working modes, supports 802.11b/g/n protocol, supports wireless local upgrade and OTA remote firmware upgrade. 32.8mmx23.1mmx3.2mm, using the stamp hole package, built-in board PCB antenna. 1.2FeaturesConfirm with 802.11b/g/n protocol.Built-in high performance M3 core MCU, highest frequency 166MHz, high speed dataprocessing ability. USART/GPIO/SPI/PWM multiple interface.QJoine high speed link configuration.Support STA/AP/STA+AP coexist work mode.Support WPA/WPA2/WEP encryption.Support wireless, Web page and OTA remote hardware upgrading.Support multiple net protocol communication. Provide abundant AT＋ instruction set configuration.Optional built-in on board PCB antenna and external antenna interface. Dimension：32.8mmx23.1mmx3.2mm, Stamp hole paste.3.3V single power supply. CE/FCC. RoHS.
4 2. ParametersParameters Wireless Parameters Standard 802.11 b/g/nFrequency 2.412GHz-2.462GHzEmitting power 802.11b:+17.0±0.5dBm(@11Mbps) 802.11g:+15.5±0.5dBm(@54Mbps) 802.11n:+15.5±0.5dBm(@HT20,MCS7) Receiving Sensitivity 802.11b: -83 dBm (@1Mbps ,CCK) 802.11g: -74dBm (@54Mbps, OFDM) 802.11n: -61dBm (@HT20, MCS7) Type of Modulation 802.11g/n OFDM(BPSK,QPSK,16QAM,64QAM) 802.11bCCK11Mbps,5.5Mbps,QPSK2Mbps,BPSK 1Mbps Antenna Built-in：On board PCB antenna 2dBi Hardware Parameters Working Voltage 3.3V（3.0V~3.6V） Working Current Quiescent Current：~20mA Emitting peak Current：~200mA Working Temperature -20 ~ 85℃℃ Hardware Interface USART/GPIO/SPI/PWM Dimension 32.8mmx23.1mmx3.2mmSoftware parameters Wireless network type STA/AP/STA+AP Security Mechanism WEP/WPA-PSK/WPA2-PSK Encryption WEP/AES/TKIP Hardware upgrading Local wireless upgrading/ Web page upgrading/ Remote upgrading Network Protocol IPv4, TCP/UDP/FTP/HTTP User Configuration QJoine Configuration，AT+instruction，Web page Pic1-1 LSD4WF-2MD05106 Basic Parameters
5 3. PackagePic 1-2 LSD4WF-2MD05106 Front and back Unit：mm Pic 1-3 LSD4WF-2MD05106 module package dimension
6 4. PindefinitionPic 1-4 LSD4WF-2MD05106 Module pin layout PINPinDefinitionFunction1GNDGround pin2JTAG_CLK/GPIOE_4Program download port3JTAG_TDO/PWM2/SPI0_MOSI/GPIOE_2 Program download port4JTAG_TDI/PWM1/SPI0_CLK/GPIOE_1Program download port5JTAG_TMS/PWM3/SPI0_MISO/GPIOE_3 Program download port6PWM0/SPI0_CS0/GPIOE_1Multiplex pin7NCNC8GPIOC_4GPIO9VDDVCC（DC_3.3V）10NCNC11NCNC12NCNC13NCNC14NCNC15NCNC
7 16GPIOF_5EEPROM_SEL 0:Internal NV memory select 1:External EEPROM select Define：pull-down 17GNDGround pin18NCNC19NCNC20NCNC21NCNC22NCNC23NFC_INNFC+24NFC_IPNFC‐25NCNC26GPIOB_0BOOT_SCENARIO 0:booting from internal memory 1:booting flash Define: pull-down27 GPIOB_1GPIO28NCNC29NCNC30NCNC31VDDVCC（DC_3.3V）32GNDGround pin33NCNC34VDDVCC（DC_3.3V）35GPIOC_5GPIO36NCNC37NCNC38GPIOB_2NORMAL_MODE_SEL 0:Normal operation mode 1:Enter into debug mode Define：pull-down 39UART2_TX/GPIOA_4UART2/IOPIN40 UART2_RTS/GPIOA_2UART2/IOPIN41UART2_RX/GPIOA_0UART2/IOPIN42 UART2_CTS/GPIOA_1UART2/IOPIN43GPIOA_5（nLink）WIFILED“0”WIFInoConnection“1”WIFIConnection44GPIOA_3（nReady）Modulestartupinstructions“0:start“1”nostart45 GPIOB_3（nReload）Restorefactorysettings
8 46NCNC47ResetReset pin48GNDGround pinTable 1-1 LSD4WF-2MD05106 Module pin definition 5. BehaviorofelectricityParameters Minimum Typical value Maximum Unit Working voltage 3.0 3.3 3.6 VStandby current 15 mA Static current 26 mA TX current 160 mARX current 65 mA Table1-2 LSD4WF-2MD05106 behavior of electricity 6. TypicalapplicationPic1-5 LSD4WF-2MD05106 Typical circuit connection Pin State Remarknlink Output (connected to LED) Check the network state of module or indication for batch upgrade or configuration nReload Input, valid in low level Connect button to chip pin for factory setting restoring nReset Input, valid in low level Reset pin USART_TX/USAR T_RX Serial port transceiver port Serial port transceiver port Table 1-3 Connection introduction of cardinal pin
9 7. ReferencedesignPCB onboard antenna is built in LSD4WF-2MD05106 module, users should using onboard antenna design need to be cautious that： 1, No components or GND on antenna area of user board 2, Keep antenna away from metal, stay over 10mm away from surrounding higher components. 3, Antenna can’t be covered by metal case and it should be over 10mm away from plastic casing. During specific design, users can consult the Lierda technical engineer to assist in the place of the module and related Layout. 8. Developingtool Lierda would provide a complete set of LSD4WF-2MD05106 development kit for customers to get familiar with the application and development of the module. Users can configure and debug the parameters of the LSD4WF-2MD05106 module through the USB interface and the function test. This development board can directly get power from the USB interface, it also support lithium battery and DC 5~18V DC current supply, convenient for the user. Pic 1-6 Developing board (front)
10 Pic 1-7 Developing board (back) External interface introduction, table: 1-4 Function Item DescriptionExternal interface USB2TTL UART to USB debugging port, can be used for power supply USB DEBUG USB2.0 debugging interface(reserved) DC5-18V 5~18V DC input COM1 RS232 interfaceRS485 RS485 interfaceJMP1 PreserveJMP2 PreserveJMP3 4Pin USB and RS232 debugging choosing port, left choose USB JPM6 3Pin RS485 and RS232 debugging choosing port, no wire jumper choose RS232 EXT_PORT LSD4WF-2MD05106 GPIO interface expand JTAG JTAG data debugging interface Battery Lithium battery supply interface LED indication light Power 3.3V power indication Sleep_ON Module standby indication On：Module is in standby mode Off：Module is working nReady Module start or updating ready indication On：Module started up Off：Module not started Blink：Remote updating, blink frequency in proportion to download speed
11 nLink Module connection indication On：Wi-Fi connected； Off：Wi-Fi unconnected； Button WPS Function reservenReset ResetSleep_RQ Function reservenReload Press button for over 4 seconds to restore to factory settings. Table 1-4 External interface introduction of LSD4WF-2MD05106developing board

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