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  • CC3235S 和 CC3235SF SimpleLink™ Wi-Fi® 双频带单芯片解决方案

    • ZHCSJC1E April   2019  – December 2024 CC3235S , CC3235SF

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  • CC3235S 和 CC3235SF SimpleLink™ Wi-Fi® 双频带单芯片解决方案
  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 功能方框图
  6. 5 Device Comparison
    1. 5.1 Related Products
  7. 6 Pin Configuration and Functions
    1. 6.1 Pin Diagram
    2. 6.2 Pin Attributes
      1.      11
    3. 6.3 Signal Descriptions
      1.      13
    4. 6.4 Pin Multiplexing
    5. 6.5 Drive Strength and Reset States for Analog and Digital Multiplexed Pins
    6. 6.6 Pad State After Application of Power to Device, Before Reset Release
    7. 6.7 Connections for Unused Pins
  8. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Power-On Hours (POH)
    4. 7.4  Recommended Operating Conditions
    5. 7.5  Current Consumption Summary (CC3235S)
      1.      24
      2.      25
    6. 7.6  Current Consumption Summary (CC3235SF)
      1.      27
      2.      28
    7. 7.7  TX Power Control for 2.4 GHz Band
    8. 7.8  TX Power Control for 5 GHz
    9. 7.9  Brownout and Blackout Conditions
    10. 7.10 Electrical Characteristics for GPIO Pins
      1.      33
      2.      34
    11. 7.11 Electrical Characteristics for Pin Internal Pullup and Pulldown
    12. 7.12 WLAN Receiver Characteristics
      1.      37
      2.      38
    13. 7.13 WLAN Transmitter Characteristics
      1.      40
      2.      41
    14. 7.14 WLAN Transmitter Out-of-Band Emissions
      1.      43
      2.      44
    15. 7.15 BLE/2.4 GHz Radio Coexistence and WLAN Coexistence Requirements
    16. 7.16 Thermal Resistance Characteristics for RGK Package
    17. 7.17 Timing and Switching Characteristics
      1. 7.17.1 Power Supply Sequencing
      2. 7.17.2 Device Reset
      3. 7.17.3 Reset Timing
        1. 7.17.3.1 nRESET (32kHz Crystal)
        2.       52
        3.       53
        4. 7.17.3.2 nRESET (External 32kHz Clock)
          1.        55
      4. 7.17.4 Wakeup From HIBERNATE Mode
      5. 7.17.5 Clock Specifications
        1. 7.17.5.1 Slow Clock Using Internal Oscillator
        2. 7.17.5.2 Slow Clock Using an External Clock
          1.        60
        3. 7.17.5.3 Fast Clock (Fref) Using an External Crystal
          1.        62
        4. 7.17.5.4 Fast Clock (Fref) Using an External Oscillator
          1.        64
      6. 7.17.6 Peripherals Timing
        1. 7.17.6.1  SPI
          1. 7.17.6.1.1 SPI Master
            1.         68
          2. 7.17.6.1.2 SPI Slave
            1.         70
        2. 7.17.6.2  I2S
          1. 7.17.6.2.1 I2S Transmit Mode
            1.         73
          2. 7.17.6.2.2 I2S Receive Mode
            1.         75
        3. 7.17.6.3  GPIOs
          1. 7.17.6.3.1 GPIO Output Transition Time Parameters (Vsupply = 3.3V)
            1.         78
          2. 7.17.6.3.2 GPIO Input Transition Time Parameters
            1.         80
        4. 7.17.6.4  I2C
          1.        82
        5. 7.17.6.5  IEEE 1149.1 JTAG
          1.        84
        6. 7.17.6.6  ADC
          1.        86
        7. 7.17.6.7  Camera Parallel Port
          1.        88
        8. 7.17.6.8  UART
        9. 7.17.6.9  SD Host
        10. 7.17.6.10 Timers
  9. 8 Detailed Description
    1. 8.1  Overview
    2. 8.2  Arm® Cortex®-M4 Processor Core Subsystem
    3. 8.3  Wi-Fi® Network Processor Subsystem
      1. 8.3.1 WLAN
      2. 8.3.2 Network Stack
    4. 8.4  Security
    5. 8.5  FIPS 140-2 Level 1 Certification
    6. 8.6  Power-Management Subsystem
    7. 8.7  Low-Power Operating Mode
    8. 8.8  Memory
      1. 8.8.1 External Memory Requirements
      2. 8.8.2 Internal Memory
        1. 8.8.2.1 SRAM
        2. 8.8.2.2 ROM
        3. 8.8.2.3 Flash Memory
        4. 8.8.2.4 Memory Map
    9. 8.9  Restoring Factory Default Configuration
    10. 8.10 Boot Modes
      1. 8.10.1 Boot Mode List
    11. 8.11 Hostless Mode
  10. 9 Applications, Implementation, and Layout
    1. 9.1 Application Information
      1. 9.1.1 BLE/2.4GHz Radio Coexistence
      2. 9.1.2 Antenna Selection
      3. 9.1.3 Typical Application
    2. 9.2 PCB Layout Guidelines
      1. 9.2.1 General PCB Guidelines
      2. 9.2.2 Power Layout and Routing
        1. 9.2.2.1 Design Considerations
      3. 9.2.3 Clock Interface Guidelines
      4. 9.2.4 Digital Input and Output Guidelines
      5. 9.2.5 RF Interface Guidelines
  11. 10Device and Documentation Support
    1. 10.1  第三方产品免责声明
    2. 10.2  Tools and Software
    3. 10.3  Firmware Updates
    4. 10.4  Device Nomenclature
    5. 10.5  Documentation Support
    6. 10.6  Related Links
    7. 10.7  支持资源
    8. 10.8  Trademarks
    9. 10.9  静电放电警告
    10. 10.10 Export Control Notice
    11. 10.11 术语表
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information
    1. 12.1 Packaging Information
      1. 12.1.1 Packaging Option Addendum
  14. 重要声明
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Data Sheet

CC3235S 和 CC3235SF SimpleLink™ Wi-Fi® 双频带单芯片解决方案

本资源的原文使用英文撰写。 为方便起见,TI 提供了译文;由于翻译过程中可能使用了自动化工具,TI 不保证译文的准确性。 为确认准确性,请务必访问 ti.com 参考最新的英文版本(控制文档)。

下载最新的英语版本

1 特性

  • 多核心架构,片上系统 (SoC)
  • 802.11 a/b/g/n:2.4GHz 和 5GHz
  • FIPS 140-2 1 级认证
  • 多层安全特性可帮助开发人员保护身份信息、数据和软件 IP
  • 低功耗模式,适用于电池供电应用
  • 与 2.4GHz 无线电共存
  • 工业温度:-40°C 至 +85°C
  • 获得 Wi-Fi Alliance® 的 Wi-Fi CERTIFIED®
  • 应用微控制器子系统:
    • 运行频率为 80MHz 的 Arm®Cortex®-M4 内核
    • 用户专用存储器
      • 256KB RAM
      • 可选的 1MB 可执行闪存
    • 多种外设和计时器
    • 27 个带灵活多路复用选项的 I/O 引脚
      • UART、I2S、I2C、SPI、SD、ADC,
        8 位并行接口
      • 计时器和 PWM
  • Wi-Fi 网络处理器子系统:
    • Wi-Fi® 内核:
      • 802.11 a/b/g/n 2.4GHz 和 5GHz
      • 模式:
        • 接入点 (AP)
        • 基站 (STA)
        • Wi-Fi Direct®(仅在 2.4GHz 受支持)
      • 安全性:
        • WEP
        • WPA™/ WPA2™ PSK
        • WPA2 企业级
        • WPA3™ 个人版
        • WPA3™ 企业版
    • 互联网和应用协议:
      • HTTP 服务器、mDNS、DNS-SD 和 DHCP
      • IPv4 和 IPv6 TCP/IP 堆栈
      • 16 BSD 套接字(完全安全的 TLS v1.2 和 SSL 3.0)
    • 内置的电源管理子系统:
      • 可配置的低功耗配置文件(始终、间歇性、标签)
      • 高级低功耗模式
      • 集成式直流/直流稳压器
  • 多层安全特性:
    • 独立执行环境
    • 网络安全
    • 设备身份和密钥
    • 硬件加速器加密引擎(AES、DES、SHA/MD5 和 CRC)
    • 应用级安全(加密、身份验证、访问控制)
    • 初始安全编程
    • 软件篡改检测
    • 安全启动
    • 证书注册请求 (CSR)
    • 每个设备具有唯一密钥对
  • 应用吞吐量:
    • UDP:16Mbps,TCP:13Mbps
    • 峰值:72Mbps
  • 电源管理子系统:
    • 集成式直流/直流转换器支持宽电源电压范围:
      • VBAT 宽电压模式:2.1V 至 3.6V
      • VIO 始终与 VBAT 关联
    • 高级低功耗模式:
      • 关断:1µA,休眠:4.5µA
      • 低功耗深度睡眠 (LPDS):120µA
      • 空闲连接(MCU 处于 LPDS 状态):710µA
      • RX 流量(MCU 处于活动模式):59mA
      • TX 流量(MCU 处于活动模式):223mA
  • Wi-Fi TX 功率:
    • 2.4 GHz:1 DSSS 时为 18.0dBm
    • 5GHz:6 OFDM 时为 18.1dBm
  • Wi-Fi RX 灵敏度:
    • 2.4 GHz:1 DSSS 时为 -96dBm
    • 5GHz:6 OFDM 时为 -92dBm
  • 时钟源:
    • 具有内部振荡器的 40.0MHz 晶体
    • 32.768kHz 晶体或外部 RTC
  • RGK 封装
    • 64 引脚 9mm × 9mm Very Thin Quad Flat Nonleaded (VQFN) 封装,0.5mm 间距
  • 器件支持 SimpleLink™ MCU 平台开发人员生态系统

2 应用

  • 对于物联网应用,例如:
    • 楼宇和住宅自动化:
      • HVAC 系统和恒温器
      • 视频监控、可视门铃和低功耗摄像头
      • 楼宇安全系统和电子锁
    • 电器
    • 资产跟踪
    • 工厂自动化
    • 医疗和保健
    • 电网基础设施

3 说明

双频带无线 MCU CC3235x 器件有两种型号:CC3235S 和 C3235SF。

  • CC3235S 包括 256KB RAM、IoT 网络安全性、器件身份/密钥以及 MCU 级安全特性,例如文件系统加密、用户 IP(MCU 镜像)加密、安全启动和调试安全性。
  • CC3235SF 基于 CC3235S 而构建,除了 256KB RAM 以外,还集成了一个用户专用的 1MB 可执行闪存。

使用 Wi-Fi CERTIFIED™ 无线微控制器 (MCU) 简化您的 IoT 设计。SimpleLink™ Wi-Fi® CC3235x 器件系列是一种双频带片上系统 (SoC) 解决方案,将两个处理器集成在一个芯片上,包括:

  • 应用处理器:Arm® Cortex®-M4 MCU,具有用户专用的 256KB RAM 和可选的 1MB 可执行闪存
  • 用以运行所有 Wi-Fi 和互联网逻辑层的网络处理器此基于 ROM 的子系统完全减轻了主机 MCU 的负载,包括一个 802.11 a/b/g/n 双频带 2.4GHz 和 5GHz 无线电、基带和带有强大硬件加密引擎的 MAC

这些器件引入了可进一步简化物联网连接的新功能。主要新特性包括:

  • 802.11a (5GHz) 支持
  • 与 BLE/2.4GHz 无线电共存
  • 天线选择
  • 经过 FIPS 140-2 1 级认证和其他认证,安全性更强 (1)
  • 可同时打开多达 16 个安全套接字
  • 证书注册请求 (CSR)
  • 在线证书状态协议 (OCSP)
  • 经过 Wi-Fi® Alliance 认证的 IoT 省电特性(例如 DMS、代理 ARP 等)
  • 降低模板包传输负载的无主机模式
  • 改善了快速扫描特性

CC3235x 器件系列是 SimpleLink™ MCU 平台的一部分,该平台是一个常见、易用的开发环境,基于一个单核软件开发套件 (SDK),具有丰富的工具集和参考设计。E2E™ 社区支持 Wi-Fi®、低功耗 Bluetooth®、Sub-1GHz 器件和主机 MCU。关于更多信息,请访问 www.ti.com.cn/simplelink 或 www.ti.com.cn/simplelinkwifi。

器件信息(1)
器件型号封装

封装

尺寸
CC3235SM2RGKRVQFN (64)9.00mm × 9.00mm
CC3235SF12RGKRVQFN (64)9.00mm × 9.00mm
(1) 有关更多信息,请参阅节 12。
1. 关于特定器件型号的具体 FIPS 认证状态,请参考 https://csrc.nist.gov/publications/fips。

4 功能方框图

图 4-1 展示了 CC3235x SimpleLink™ Wi-Fi® 解决方案的功能方框图。

CC3235S CC3235SF 功能方框图
注意:双工器用于信号天线解决方案。使用天线选择功能(双天线)时,需要在双工器后应用 1 个 SPDT 开关和 2 条 GPIO 线路。
图 4-1 功能方框图

图 4-2 为 CC3235x 器件的硬件概览。

CC3235S CC3235SF CC3235x 硬件概览图 4-2 CC3235x 硬件概览

图 4-3 为 CC3235x 器件中的嵌入式软件概览。

CC3235S CC3235SF CC3235x 嵌入式软件概览图 4-3 CC3235x 嵌入式软件概览

5 Device Comparison

Table 5-1 lists the features supported across different CC3x35 devices.

Table 5-1 Comparison of Device Features
FEATUREDEVICE
CC3135CC3235SCC3235SF
ClassificationNetwork processorWireless microcontrollerWireless microcontroller
Standard802.11a/b/g/n802.11a/b/g/n802.11a/b/g/n
TCP/IP stackIPv4, IPv6IPv4, IPv6IPv4, IPv6
Sockets161616
Package9mm × 9mm VQFN9mm × 9mm VQFN9mm × 9mm VQFN
ON-CHIP APPLICATION MEMORY
Flash——1MB
RAM—256KB256KB
RF FEATURES
Frequency2.4GHz, 5GHz2.4GHz, 5GHz2.4GHz, 5GHz
Coexistence with BLE RadioYesYesYes
SECURITY FEATURES
Additional networking securityUnique device identity
Trusted root-certificate catalog
TI Root-of-trust public key
Online certificate status protocol (OCSP)
Certificate signing request (CSR)
Unique per-device key pair
Unique device identity
Trusted root-certificate catalog
TI Root-of-trust public key
Online certificate status protocol (OCSP)
Certificate signing request (CSR)
Unique per-device key pair
Unique device identity
Trusted root-certificate catalog
TI Root-of-trust public key
Online certificate status protocol (OCSP)
Certificate signing request (CSR)
Unique per-device key pair
Hardware accelerationHardware crypto enginesHardware crypto enginesHardware crypto engines
Secure boot—YesYes
Enhanced application level security—File system security
Secure key storage
Software tamper detection
Cloning protection
Initial secure programming
File system security
Secure key storage
Software tamper detection
Cloning protection
Initial secure programming
FIPS 140-2 Level 1 Certification(1)YesYesYes
(1) For exact status of FIPS certification for a specific part number, please refer to https://csrc.nist.gov/publications/fips.

5.1 Related Products

For information about other devices in this family of products or related products, see the links that follow.

    The SimpleLink™ MCU PortfolioThis portfolio offers a single development environment that delivers flexible hardware, software, and tool options for customers developing wired and wireless applications. With 100 percent code reuse across host MCUs, Wi-Fi®, Bluetooth® low energy, Sub-1GHz devices and more, choose the MCU or connectivity standard that fits your design. A one-time investment with the SimpleLink™ software development kit (SDK) allows you to reuse often, opening the door to create unlimited applications.
    SimpleLink™ Wi-Fi® FamilyThis device platform offers several Internet-on-a chip™ solutions, which address the need of battery-operated, security-enabled products. Texas Instruments offers a single-chip wireless microcontroller and a wireless network processor that can be paired with any MCU, allowing developers to design new Wi-Fi® products or upgrade existing products with Wi-Fi® capabilities.
    BoosterPack™ Plug-in ModuleExtend the functionality of the TI LaunchPad™ Development Kit with the BoosterPack™ Plug-in Module. The application-specific BoosterPack Plug-in Module allows you to explore a broad range of applications, including capacitive touch, wireless sensing, LED Lighting control, and more. Stack multiple BoosterPack Plug-in Modules onto a single LaunchPad Development Kit to further enhance the functionality of your design.
    Reference Designs for CC3200, CC3220 and CC3235 DevicesThe TI Designs Reference Design Library is a robust reference design library spanning analog, embedded processor and connectivity. Created by TI experts to help you jump start your system design, all TI Designs include schematic or block diagrams, BOMs and design files to speed your time to market.
    The SimpleLink™ Wi-Fi® SDKThe SDK contains drivers for the CC3235 programmable MCU, sample applications, and documentation required to start development with CC3235x solutions.

 

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