Lierda Science & Technology Group Co., Ltd LSD SCIENCE & TECHNOLOGY CO., LTD. LSD4WF0459-01D0 WiFi module data sheet item ： WiFi module item code： LSD4WF0459-01D0 Version : V1.1 Address:Lierda Building, 425 Dengyun Road, Hangzhou, China,Lierda Science & Technology Group Co.
contents 1 Product Introduction............................................................................................- 4 1.1 Product Overview.......................................................................................- 4 1.2 Functional features..................................................................................... - 4 1.3 Application field.........................................................................................- 5 1.4 Structure diagram..........................
Preface Thank you for choosing the WiFi modules provided by the Lierda Technology Group co., Ltd. Please read this user’s manual carefully before use, our company does not We will not be responsible for any of the property loss or personal injury resulted from the customer’s improper operation. Please follow the technical specification and reference design when developing the corresponding products according to the manual.
1 Product Introduction 1.1 Product Overview LSD4WF0459-01D0 is a highly integrated WiFi module based on the single chip controller, Supporting the physical transmission rate of 150 Mbps. Fully comply to the IEEE 802.11 b/g standard and IEEE 802.11 n standard, In the field of high standard and the reliability of the transmission, provides a feature-rich wireless connection scheme.
● Small module size and flexible application ● Support WiFi connect directly ● Transmission power control of each packet ● RF signal output is available and external antenna needed ● Embed MCU,support fireware and custom function 1.3 Application field ● Smart home, intelligent home appliances products ● The electronic products which has the function of network: e-books, printers, electronic photo frame; ● Industrial remote sensing, telemetry communication.
1.4 Structure diagram Figure1 Structure Diagram 2 Module parameters 2.1 WiFi Characteristics TA=25℃，VCC=3.3V Parameter inetrface Wireless LAN standard Data rate Modulation mode Frequency range Operating frequency Specifications IO interface Accord with the standard of IEEE 802.11b/g/n 11b/g:54,48,36,24,18,12,9,6,11,5.5,2,1 Mbps 11n:20MHz 802.11g/n---OFDM(BPSK,QPSK,16QAM,64QAM) 802.11b---CCK 11Mbps,5.5Mbp ， QPSK 2Mbps ， BPSK 1Mbps 2.4GHz WiFi frequency band 2.
(15±2)dBm (802.11 CCK,11Mbps) (11±2)dBm(802.11 OFDM,54Mbps) (10±2)dBm(802.11 HT20 MCS7) antenna Receiving sensitivity humidity size(standard) RF signal output is available,need external antenna. -83dBm @ 11M(802.11b CCK,8% PER) -68dBm @ 54M(802.11g OFDM,10% PER) -65dBm @ MCS7(802.11n OFDM with 20MHz ,10% PER) 20%-90% no condensation （W）25×（L）18×（H）3.0mm 2.2 Electrical characteristics parameter Working voltage Sleep current quiescent current TX current RX current min 2.7 typical 3.3 1 5 300 70 max 3.
3 Hardware structure 3.1 Product size unit：mm Figure 2 tolerance standard：GB/T 1804-m Module Size Figure Address:Lierda Building, 425 Dengyun Road, Hangzhou, China,Lierda Science & Technology Group Co.
3.2 Pin definition Figure 3 Figure of Pin Function Address:Lierda Building, 425 Dengyun Road, Hangzhou, China,Lierda Science & Technology Group Co.
Pin 1 2 3 4 5 Pin definition GND RF_BG GND NC（connect PIN23 by resister and crytals） NC（Set aside other models IC 5G in use， dangling，not connected to any PIN） 6 SOP2 7 GPIO28 8 NC(PIN45) 9 SOP0 10 11 12 13 14 15 16 17 18 19 nRESET VBAT_DCDC_ANA VBAT_DCDC_PA VBAT_DCDC_DIG_IO VDD_FLASH GPIO30 NC(PIN48) GPIO0 NC（connect PIN51 by resister and crytals） GND 20 GPIO1 21 22 23 24 25 26 27 28 29 30 GPIO2 GPIO3 GPIO4 GPIO5 GPIO6 GPIO7 GPIO8 GPIO9 GND GPIO10 Functional description GND 2.
31 GPIO11 32 33 GPIO14 GPIO15 34 35 36 37 38 39 40 41 42 43 44 45 46 47~55 IO interface IO interface IO interface IO interface（100K pull-down GPIO16 resistor in module） GPIO17 IO interface GPIO12 IO interface GPIO13 IO interface GPIO22 IO interface JTAG_TDI JTAG interface/IO interface NC(use in external flash NC(connect PIN13 by flash DO) extension) NC( use in external flash NC(connect PIN14 by flash CS) extension)) NC( use in external flash NC(connect PIN11 by resistor and flash CLK ) extension)) NC(
4 Application reference 4.
4.2 Module secondary welding reference temperature curve 5 Packaging information 5.1 Carton packaging Module USES 354 * 250 * 362 mm carton packaging, contain inside the box. Address:Lierda Building, 425 Dengyun Road, Hangzhou, China,Lierda Science & Technology Group Co.
Figure 7 Carton assembly figure 5.2 Inner carton packing Internal size is 352*348*56mm,each contain a set of vacuum reel packaged by electrostatic bag, It contains 600 PCS modules. Figure 8 appearance figure Inside the box Address:Lierda Building, 425 Dengyun Road, Hangzhou, China,Lierda Science & Technology Group Co.
Figure 9 vacuum reel 5.3 Tape and Reel Packaging A single module adopts the take-up package，each contains 500PCS module. Figure 10 rewinding roller Version number V1.0 V1.
5.4 FCC Warning Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 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.
