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WiFi - BDE-WFM20B (WiFi Dual-Band MCU Module)
  • BDE-WFM20B (WiFi Dual-Band MCU Module)
  • 浏览 162 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


    WiFi Dual-Band MCU Module

    BDE-WFM20B (Part# BDE-WFM20BSBDE-WFM20BSF)是一款基于CC3235S(CC3235SF) SoC802.11a/b/g/n, 2.4GHz5GHz双频,IPv4IPv6, 256KB RAM(1MB可执行flash/256KB RAM)的低能量MCU模块。该模块提供了一个独特的组合,更低的功率,集成所有外部组件,包括双频芯片天线,成本非常低廉。

    BDE-WFM20B模块为物联网而创建,是一个无线模块,集成了两个物理上分离的片上mcu,一个CM4应用处理器和一个网络处理器。BDE-WFM20B引入了新的功能,进一步简化了事物到互联网的连接。BDE-WFM20B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。

     

    •应用处理器- Arm®Cortex®- m4 MCU,配有用户专用256KB RAM和可选1MB

     

    可执行的闪光。

     

    •网络处理器,运行所有Wi-Fi和互联网逻辑层。

    这个基于rom的子系统完全

     

    卸载主机MCU,并包括一个802.11 a/b/g/n双频2.4 ghz5 ghz无线电、基带和

     

    MAC具有强大的硬件加密引擎。

     

    32Mbit SPI串行flash。



    Key Features


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

    - FIPS 140-2 Level 1 validated IC inside

    - Multilayered security features help developers protect identities, data, and software IP

    - Low-power modes for battery-powered applications

    - Coexistence with 2.4-GHz radios

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

    - Antenna: Integrated Dual-band chip antenna or UFL connector

    1.27-mm pitch QFM package for easy assembly and low-cost PCB design

    - Transferrable Wi-Fi Alliance® certification

    - Application microcontroller subsystem:

    - Arm® Cortex®-M4 core at 80 MHz

    - User-dedicated memory:

    - 256KB of RAM

    - 1MB of executable flash (BDE-WFM20BSF)

    - Rich set of peripherals and timers:

    - McASP supports two I2S channels

    - SD, SPI, I2C, UART

    - 8-bit synchronous imager interface

    - 4-channel 12-bit ADCs

    - 4 general-purpose timers (GPT) with 16-bit PWM mode

    - Watchdog timer

    - Up to 27 GPIO pins

    - Debug interfaces: JTAG, cJTAG, SWD

    - 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 on 2.4GHz)

    - 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

    - 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

    - Application throughput

    - UDP: 16 Mbps

    - TCP: 13 Mbps

    - 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):120 μA

    - Idle connected (MCU in LPDS):710 μA

    - RX traffic (MCU active): 59 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

    - 40.0-MHz crystal

    - 32.768-kHz crystal (RTC)

    - 32Mbit SPI serial flash

    - RF filters, diplexer and passive components

    - Footprint-compatible QFM package

    - 1.27-mm pitch, 63-pin, 23mm × 20.5mm

    - Module supports the TI SimpleLink Developer's Ecosystem

    -Certifications

    - FCC ID: 2ABRU-WFM20B

    - IC: 25657-WFM20B

    - 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


    - 网基础设施



    下载:


    BDE-WFM20B_Datasheet_EN_V1.1.pdf



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