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WiFi - BDE-WFM20A (WiFi Dual-Band Network Processor Module)
  • BDE-WFM20A (WiFi Dual-Band Network Processor Module)
  • 浏览 144 次 发布日期:[ 2021-5-20 ]


  • 碧德(BDE)是美国德州仪器(TI)第三方合作伙伴


    BDE-WFM20A

    BDE-WFM20A是一个基于CC3135802.11a/b/g/n, 2.4GHz5GHz双频,IPv4IPv6的网络处理器模块。该模块集成了所有Wi-Fi®和互联网协议,极大地降低了主机MCU软件要求,它可以添加到任何低成本,低功耗微控制器单元(MCU)。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无线电、基带和MAC与强大的硬件加密引擎。通过内置的安全协议,BDE-WFM20A解决方案提供了一个健壮而简单的安全体验。

        BDE-WFM20A在一个LGA包中可用,很容易与所有所需的组件进行布局,包括串行Flash, RF滤波器,双工器,晶体和完全集成的无源组件。BDE-WFM20A引入了新的功能,进一步简化了事物到互联网的连接。BDE-WFM20A的主要功能包括:

     

    802.11 a/b/g/n:支持2.4 GHz5ghz

     

    2.4 GHz与蓝牙®低能量无线电共存

     

    •集成双频芯片天线或外置天线UFL连接器

     

    •更多的并发安全套接字,多达16

     

    •具有生成证书签名请求(CSR)能力的唯一设备标识符

     

    •在线证书状态协议(OCSP)

     

    Wi-Fi Alliance®通过物联网低功耗能力认证

     

    •卸载模板包的无主机模式

     

    •改进的快速扫描

     

    32 Mbit SPI串行Flash



    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 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

    - 1.27mm pitch, 63-pin, 20.5mm × 23mm QFM package for easy assembly and low-cost PCB design

    - Certifications

    - FCC ID: 2ABRU-WFM20A

    - IC: 25657-WFM20A

    - CE-RED



    应用:


    物联网应用,如:

    - 医疗和保健

    - 多参数患者监护仪

    - 心电图(ECG)

    - 电子医院病床和床控

    - 远程医疗系统

    - 楼宇及家居自动化:

    - 暖通空调系统和恒温器

    - 视频监控、视频门铃、低功耗摄像头

    - 建筑安全系统和电子锁

    - 电器

    - 资产跟踪

    - 工厂自动化

    - 电网基础设施


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