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  • WF3135N
  • 浏览 54 次 发布日期:[ 2021-8-26 ]

  • 碧德(BDE)是美国德州仪器(TI)第三方合作伙伴

    WF3135N极大地简化了Internet连接的实现。该双频Wi-Fi®网络处理器模块可添加到任何低成本、低功耗的微控制器(MCU);它集成了Wi-Fi®Internet的所有协议,大大降低了对主机MCU软件的要求。 

    这个基于rom的子系统包括一个802.11 a/b/g/n双频2.4 GHz5 GHz的无线电、基带和MAC,具有强大的硬件加密引擎。通过内置的安全协议,WF3135N解决方案提供了健壮而简单的安全体验。WF3135N采用LGA封装,易于与所有所需组件布局,包括串行Flash、射频滤波器、双工器、晶体和完全集成的无源组件。 

    这一代引入了新的功能,进一步简化了事物与Internet的连接。WF3135N的主要新功能包括:

     

    802.11 a/b/g/n: 2.4 GHz5 GHz支持

    2.4 GHz与蓝牙®低能量无线电共存

    •天线多样性

    •更多并发安全套接字,最多16

    •能够生成证书签名请求(CSR)的唯一设备标识符

    •在线证书状态协议(OCSP)

    Wi-Fi Alliance®通过物联网低功耗认证

    •卸载模板包传输的无主机模式

    •改进了快速扫描。

    Key Features


    - Fully integrated and green/RoHS module includes all required clocks, serial peripheral interface (SPI) flash, and passives

    - Integrated Wi-Fi® and internet protocols

    - 802.11a/b/g/n: 2.4 GHz and 5 GHz

    - Rich set of IoT security features helps developers protect data

    - Low-power modes for battery powered application

    - Coexistence with 2.4 GHz radios

    - Industrial temperature: –40°C to +85°C

    - Wi-Fi network processor subsystem:

    - Wi-Fi core:

    802.11 a/b/g/n 2.4 GHz and 5 GHz

           Modes:

      Access Point (AP)

      Station (STA)

    Wi-Fi Direct® (only supported 2.4 GHz)

           Security:

      WEP

      WPA™/ WPA2™ PSK

      WPA2 Enterprise

      WPA3™ Personal

    - Internet and application protocols:

    - HTTPs server, mDNS, DNS-SD, DHCP

           IPv4 and IPv6 TCP/IP stack

           16 BSD sockets (fully secured TLS v1.2 and SSL 3.0)

    - Built-in power management

    - subsystem:

           Configurable low-power profiles (always on, intermittently connected, tag)

           Advanced low-power modes

           Integrated DC/DC regulators

    - Application throughput

    - UDP: 16 Mbps

    - TCP : 13 Mbps

    - Multilayered Security Features:

    - Separate execution environments

    - Networking security

    - Device identity and key

    - Hardware accelerator cryptographic engines (AES, DES, SHA/MD5, CRC)

    - File system security (encryption, authentication, access control)

    - Initial secure programming

    - Software tamper detection

    - Secure boot   

    - Certificate signing request (CSR)

    - Unique per device key pair

    - Recovery mechanism – ability to recover to factory defaults

    - Power-Management Subsystem:

    - Integrated DC/DC converters support a wide range of supply voltage:

           Single wide-voltage supply,

    VBAT: 2.3 V to 3.6 V

    - Advanced low-power modes:

           Shutdown: 1 μA

    hibernate: 5.5 μA

           Low-power deep sleep (LPDS): 115 μA

           Idle connected (MCU in LPDS): 710 μA

           RX traffic (MCU active): 53 mA

           TX traffic (MCU active): 223 mA

    - Wi-Fi TX power

    - 2.4 GHz: 16 dBm at 1 DSSS

    - 5 GHz: 15.1 dBm at 6 OFDM

    - Wi-Fi RX sensitivity

    - 2.4 GHz: –94.5 dBm at 1 DSSS

    - 5 GHz:  –89 dBm at 6 OFDM

    - Additional integrated components on module

    - 40.0 MHz crystal with internal oscillator

    - 32.768 kHz crystal (RTC)

    - 32 Mbit SPI Serial Flash

    - RF filters, diplexer, and passive components

    - QFM package

    - 1.27-mm pitch, 63-pin, 20.5-mm × 17.5-mm QFM package for easy assembly and low-cost PCB design

     

    Applications

    - For Internet of Things applications, such as:

    - Medical and Healthcare

           Multiparameter Patient Monitor

           Electrocardiogram (ECG)

           Electronic Hospital Bed & Bed Control

           Telehealth Systems

    - Building and Home Automation:

           HVAC Systems & Thermostat

           Video Surveillance, Video Doorbells, and Low-Power Camera

           Building Security Systems and E-locks

    - Appliances

    - Asset Tracking

    - Factory Automation

    - Grid Infrastructure

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