Hangzhou Gubei Electronics Technology 3301SBSL WT1SBSL User Manual
Hangzhou Gubei Electronics Technology Co.,Ltd WT1SBSL
Contents
- 1. Users Manual
- 2. User manual_1
User manual_1
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| Date Submitted | 2017-01-10 00:00:00 |
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| Document Title | Microsoft Word - User manual |
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| Document Author: | wade.zhang |
BiTrend™ EssentialSeriesWi-Fi Module User Manual WT1SBSL Hangzhou Gubei Electronics Technology Co., Ltd. Copyright Information The information contained in this document is the proprietary information of Hangzhou Gubei Electronics Technology Co., Ltd. (hereinafter referred as BroadLink). Further, no portion of this document may be altered or edited in any form or by any meanswithout the prior written consent of BroadLink, the copyrightholder. Further BroadLink reserves the right to make modifications, additions anddeletions to this document due to typographical errors, inaccurate information, orimprovements to products mentioned in the document at any time and without notice. Such changes will, nevertheless be incorporated into new editions of this document or published as errata sheet. Version History V 1.0.0 22/01/2016 1stissue of preliminary document 1www.ibroadlink.com Table of Contents 1. Introduction ................................................................................................................................. 3 1.1 Overview ............................................................................................................................ 3 1.2 Applications....................................................................................................................... 4 1.3 Key Features ...................................................................................................................... 4 2. Product Overview ....................................................................................................................... 5 2.1 Product Picture ................................................................................................................. 5 2.2 Block Diagram ................................................................................................................... 5 3. Electrical Characteristics............................................................................................................. 6 3.1 Absolute Maximum Ratings – Voltage & Current ........................................................ 6 3.2Current consumption ........................................................................................................ 6 3.3 Absolute maximum ratings – Temperature ................................................................... 7 3.4Absolute maximum ratings – ESD ................................................................................... 7 4. Module Interfaces....................................................................................................................... 8 4.1 PIN Layout ......................................................................................................................... 8 4.2 PIN Definitions .................................................................................................................. 8 5. Reference Design ........................................................................................................................ 9 6. AntennaCharacteristics ............................................................................................................ 10 6.1 Antenna Selection .......................................................................................................... 10 6.2 Minimizing Radio Interference ..................................................................................... 11 6.3 Specification of On-Board Antenna ............................................................................. 12 Appendix A Glossary（Quentin respible） ............................................................................... 13 Appendix B Reference paper（Quentin respible） .................................................................. 15 Contact Us ..................................................................................................................................... 16 2www.ibroadlink.com 1. Introduction 1.1 Overview BiTrend™ Essentialis the industrial leading 2.4Ghz 802.11 b/g/n embedded Wi-Fi module which delivers unmatched performance and codeless development in a compact package, providing a quick, easy and cost effective way for developers and manufacturers to add Wi-Fi connectivity for home automation, lighting control, energy efficiency and other IOT applications. BiTrend™ Essential family combines a 2.4Ghz 802.11 b/g/n radio transceiver with a 32-bit microprocessor and embedded with MAC, baseband processing and optimized Wi-Fi network stack. It is an ideal solution for developers and manufacturers with limited RF and embedded programming expertise as it significantly reduces RF design time and removes the burden of testing and certification. Benefitted from BroadLink’s turn-key solution, BiTrend™ Essential is an ideal solution for developers with limited Wi-Fi or RF expertise or for those seeking faster time to market. It reduces RF design time and removes the burden of testing and certification. BiTrend™ Essential is fully compliant with IEEE 802.11 b/g/n standard and certified with CE, FCC and RoHS. BiTrend™ Essential is a highly integrated Wi-Fi SoC(system on Chip) single chip, which supportsIEEE802.11b/g/n single stream, providing GPIO for intelligent control, and UART interfaces for device communication. BiTrend™ Essential has 8Mbits flash and integrates power amplifier, low noise amplifier, and RF switch to reduce the module size and RF design capability required. And also integrate power manage unit for single 3.3V power source for cost effective design. BiTrend™ Essential embedded 32-bit RISC MCU for 802.11b/g/n drivers, supplicant, TCP/IP protocol stack, and networking applications, can be operated in station mode and softAP mode. The WT1SBSL is an ideal solution for embedded device to enable networking service with minimized design effort. 3www.ibroadlink.com RF_IN RF receiver Baseband RF_OUTP RF_OUTN RF transmitter MAC / Packet buffer / security engine UART System control UART GPIO/LED Figure 1. WT1SBSL block diagram 1.2 Applications Smart home appliances Remote Control Medical/Health Care Network consumer devices 1.3 Key Features a． Support IEEE802.11b/g/n b． Support UARTtransparent transfer c． Support STA\AP d． Patent SmartConfig™ technology e． Support IPv4, TCP/UDP/ DNS/DHCP f． PCB printed antenna g． Power source: 3.3V h． Peripherals: 1*UART 5*GPIO 1*RESET i． Dimension 31mm*17.7mm*3.6mm j． ESD: 2KV k． Absolute maximum ratings 4www.ibroadlink.com 2. Product Overview 2.1 Product Picture 2.2 Block Diagram 40MHz OSC Reset UART PCB Antenna Filter Circuit Balun Circuit MTK7681 802.11 b/g/n SoC SPI FLASH Multiplex Circuit GPIO 5www.ibroadlink.com 3. Electrical Characteristics 3.1 Absolute Maximum Ratings – Voltage & Current Using products above the absolute maximum ratings may cause permanent damage to the device. These are maximum ratings only and functional operation of the device at these conditions is not implied. Exposure to maximum rating conditions for extended periods may a ect the reliability of the device. Symbol Rating MIN TYP MAX Unit VDD33 3.3V Supply Voltage 2.97 3.3 3.63 Symbol Ratings Max IVDD Total current into VDD power lines (source) 90 IVSS Total current out of VSS ground lines (sink) 90 Output current sunk by any I/O and control pin 10 Output current source by any I/Os and control pin 10 IIO Unit mA 3.2Current consumption Performance Symbol Condition IRF IDLE mode TYP Unit 80 mA IRF RX Active, HT40, MCS7 151 mA IRF TX HT40, MCS7 @ 15dBm（pulse） 210 mA IRF TX CCK 11Mbps @ 18dBm（pulse） 250 mA Note: All result is measured at the antenna port and VDD33 is 3.3V 6www.ibroadlink.com 3.3 Absolute maximum ratings – Temperature Rati Symbol Max Unit TSTG Storagetemperature –40 to+125 ℃ TA Workingtemperature -10 to+70 ℃ Humidity Non condensing, relative humidity 90%（RH） 3.4Absolute maximum ratings – ESD Symbol VESD(HBM) Ratings Conditions Class Max Unit Electrostatic discharge voltage (human body model) TA = +25 °C conforming to JESD22-A114 2000 7www.ibroadlink.com 4. Module Interfaces 4.1 PIN Layout WT1SBSL has one group of pins2X7. The layout of PINs are shown in the figure below. Figure6.WT1SBSLpin-out 4.2 PIN Definitions PIN Assignment PIN PIN NAME NOTE Pin1 GND Pin2 VCC 3.3V Pin3 RST_N Module software reset,Available at low level Pin4 UART_TX Pin5 UART_RX UART Only for Passthrough Pin6 GPIO3 Pin7 GPIO4 Feed watchdog Pin8 GPIO4 Feed watchdog Pin9 GPIO3 Pin10 GPIO2 8www.ibroadlink.com Pin11 GPIO1 Module software reset, Available at High level Pin12 GPIO0 Usually use as Wi‐Fi LED Pin13 VCC 3.3V Pin14 GND 5. Reference Design Peripheral MCU WIFI MODULE In addition to the standard serial port，the peripheral MCU also need to provide two GPIO pins to connect with the GPIO4 pin and the RST pin of the WIFI module respectively,when the WIFI module works properly,the GPIO4 pin will keep outputting message of dog feeding,if the peripheral MCU did not receive the message,the module will reset and restart through pulling down the RST pin by the other GPIO pin. If the peripheral MCU uses power source of 5V,it needs to add a level switching circuit in the connection of the serial port and the related circuit. The module needs a large current about 250mA when transmitting data,please ensure that the power source can provide sufficient current. 9www.ibroadlink.com 6. AntennaCharacteristics 6.1 Antenna Selection The WT1SBSL supports on-board PCB printed antenna.When the Operating Frequencyis between 2.4G~2.5GHz, S11 of antenna port is less than-10dB and peak gainis about 1. 5dBi. Figure 7. Antenna radiation pattern simulation Figure 8. Antenna port S11simulation curve In practical use, WT1SBSL is welded on user’s boardand value of S11 has some changes. 10www.ibroadlink.com 6.2 Minimizing Radio Interference When integrating the Wi-Fi module with on board PCB printed antenna, make sure the three points below: 1. The area under the antenna end of the module should be keep clear of metallic components, connectors, vias, traces and other materials that can interfere with the radio signal. 2. The area around the antenna end the module protrudes at least 10mm from the mother board PCB and any metal enclosure. 3. When planning PCB layout, it is recommended that user places the antenna of Wi-Fi module as close as possible to the edge of boarder to ensure the good performance of antenna, which is shown in the picture below. 11www.ibroadlink.com 6.3 Specification of On-Board Antenna OperatingFrequency 2.4G~2.5GHz VSWR(max) Peak Gain 1.45dBi AntennaType PIFA 12www.ibroadlink.com Appendix A Glossary（Quentin respible） ADC AES ANT AP BPSK Analog‐to ‐Digital Converter Advanced Encryption Standard Antenna Wireless Access Point Binary Phase Shift Keying DBPSK DC Differential binary phase shift keying Direct Current CCK CDM Complementary Code Keying Charge Device Model DHCP Dynamic Host Configuration Protocol CMOS Complementary Metal Oxide Semiconductor DNS DQPSK DSSS DTIM EMSP ESD EVM FCC FER GND GPIO HBM IEEE IO IOT IPv4 LED LVTTL MAC MCS MCU MIMO MSL NC NRST OFDM OSC PCB PIFA QPSK RC RF Determination of non-significance Differential quadrature phase shift keying Demand assigned signaling and switching subsystem Digital Transmission Interface Module Enhanced Modular Signal Processor Electrostatic Discharge Error Vector Magnitude Federal Communications Commission Floating Error Ground General Purpose Input/Output Human body model Institute of Electrical and Electrionics Engineers Input/Output Individual operation test Internet Protocol version 4 Light-emitting diode Low Voltage Transistor Transistor Logic Medium Access Control layer Modulation and coding scheme Microcontroller Unit Multiple-Input Multiple-Output Multilayer Switching Protocol Numerical Control Negative Reset Orthogonal Frequency Division Multiplexing Oscillator Printed Circuit Board Planar inverted F antenna Quadrature Phase Shift Keyin Resistance- capacitance Radio Frequency 13www.ibroadlink.com RISC RoHS RX SDIO SoC SPDT SPI STA TCP TKIP TX IP UART UDP UFL Reduced Instruction Set Computer Restriction of Hazardous Substances Receiver Serial Digital Input/Output System on Chip Single-Pole Double-Throw Serial Peripheral Interface Spanning Tree Algorithm Transfer Control Protocol Temporal Key Integrity Protocol Transmitter Internet Protocol Universal Asynchronous Receiver/Transmitter User Datagram Protocol a miniature coaxial RF connector for high-frequency signals manufactured by Hirose Electric Group VSWR WEP WEPA WEP64 WEP128 WPA2 XTAL QAM Voltage Standing Wave Ratio Wired Equivalent Privacy Welded Electronic Packaging Association 64 bit Wired Equivalent Privacy 128 bit Wired Equivalent Privacy Wi-Fi Protected Access 2 External Crystal Oscillator Quadrature Amplitude Modulation The IEEE 802.11 b/g/n 802.11 b/g/n 14www.ibroadlink.com Appendix B Reference paper（Quentin respible） [1] IEEE 802.11b/g/n- published IEEE 802.11-2007wireless networking standard and published IEEE 802.11-2012 standard for Information technology - Clause 19 of the publishedIEEE 802.11-2007 standard, and Clause 19 of the published IEEE 802.11-2012 standard. 15www.ibroadlink.com Contact Us Hangzhou Gubei Electronics Technology Co., Ltd. Room 106, Building 1, No. 611 Jianghong Road, Binjiang, Hangzhou, Zhejiang, P.R.China T: +86-571-85159281 F: +86-571-86631817 E: intl@broadlink.com.cn W: www.ibroadlink.com.cn This device complies with Part 15 of the FCC Rules / Industry Canada licence‐exempt RSS standard(s). 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. Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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: 16www.ibroadlink.com —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. MPE Requirements To satisfy FCC / IC RF exposure requirements, a separation distance of 20 cm or more should be maintained between the antenna of this device and persons during device operation. To ensure compliance, operations at closer than this distance is not recommended. Les antennes installées doivent être situées de facon à ce que la population ne puisse y être exposée à une distance de moin de 20 cm. Installer les antennes de facon à ce que le personnel ne puisse approcher à 20 cm ou moins de la position centrale de l’ antenne. La FCC des éltats‐unis stipule que cet appareil doit être en tout temps éloigné d’au moins 20 cm des personnes pendant son functionnement. Region Selection Limited by local law regulations, version for North America does not have region selection option. Information for the OEM Integrators This device is intended for OEM integrators only. Please see the full grant of equipment document for restrictions. Label Information to the End User by the OEM or Integrators If the FCC ID of this module is not visible when it is installed inside another device, then the outside of the device into which the module is installed must be label with “Contains FCC ID: 2ACDZ‐3301SBSL and IC: 21239‐3301SBSL” 17www.ibroadlink.com
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