TI WiFi 学习板 求推荐，谢谢！

最近想学习下wifi方面的知识，打算够买块开发板 练习下，要求：

1. 购买的 硬件单板的开发环境较易于搭建（在家用一个PC机即可以搭建，且易于后续的小程序的开发和用户小功能的验证），比如 sdk的获取 + 编译/烧写工具

2.必要的datasheet和操作手册

3.我以前对TI的AM335x系列板子较熟悉，希望编译环境是在linux或 keil下的

谢谢！

gaoyang9992006：

TI的WIFI学习板当然是CC32xx系列的了。

Terry Han：

建议使用CC3200、CC3220 单芯片wifi芯片

简介如下，

CC3200描述

用业界第一个具有内置 Wi-Fi 连通性的单片微控制器单元 (MCU) 开始你的设计。 针对物联网 (IoT) 应用的 SimpleLink CC3200 器件是一款集成了高性能 ARM Cortex-M4 MCU 的无线 MCU，从而使得客户能够用单个集成电路 (IC) 开发整个应用。 借助片上 Wi-Fi，互联网和稳健耐用的安全协议，无需之前的 Wi-Fi 经验即可实现更开速的开发。 CC3200 器件是一个完整平台解决方案，其中包括软件、示例应用、工具、用户和编程指南、参考设计以及 TI E2E 支持社区。 此器件采用易于布局布线的四方扁平无引线 (QFN) 封装。

此应用 MCU 子系统包含一个运行频率为 80MHz 的行业标准 ARM Cortex-M4 内核。 此器件包含多种外设，其中包括一个快速并行摄像头接口，I2S，SD/MMC，UART，SPI，I2C 和四通道模数转换器 (ADC)。 CC3200 系列包括用于代码和数据的灵活嵌入式 RAM，以及具有外部串行闪存引导加载程序和外设驱动程序的 ROM。

Wi-Fi 网络处理器子系统特有一个 Wi-Fi 片上互联网并且包含一个额外的专用 ARM MCU，此 MCU 可完全免除 应用 MCU 的处理负担。 这个子系统包含 802.11 b/g/n 射频、基带和具有强大加密引擎的 MAC，以实现支持 256 位加密的快速、安全互联网连接。 CC3200 器件支持基站、访问点和 Wi-Fi 直接模式。 此器件还支持 WPA2 个人和企业安全性以及 WPS2.0。 Wi-Fi 片上互联网 包括嵌入式 TCP/IP 和 TLS/SSL 堆栈，HTTP 服务器和多个互联网协议。

电源管理子系统包括支持广泛电源电压范围的集成直流-直流转换器。 这个子系统可启用低功耗模式，诸如具有 RTC 的休眠模式，所需电流 少于 4μA。

特性

CC3200 SimpleLink Wi-Fi — 由应用微控制器，Wi-Fi 网络处理器和电源管理子系统组成

应用微控制器子系统

ARM Cortex-M4 内核，运行频率 80MHz
嵌入式存储器

RAM（高达 256KB)
外部串行闪存引导加载程序，和 ROM 中的外设驱动程序

32 通道直接内存访问 (DMA)
针对高级快速安全性的硬件加密引擎，其中包括

AES，DES 和 3DES
SHA2 和 MD5
循环冗余校验 (CRC) 与校验和

8 位并行摄像头接口
1 个多通道音频串口 (McASP) 接口，支持 2 个 I2S 通道
1 个 SD/MMC 接口
2 个通用异步收发器 (UART)
1 个串行外设接口 (SPI)
1 个内部集成电路 (I2C)
4 个通用定时器，支持 16 位脉宽调制 (PWM) 模式
1 个看门狗定时器
4 通道 12 位模数转换器 (ADC)
多达 27 个独立可编程、复用通用输入输出 (GPIO) 引脚

Wi-Fi 网络处理器子系统

特有 Wi-Fi Internet-On-a-Chip
专用 ARM MCU

完全解除 应用 微控制器的 Wi-Fi 和互联网协议处理负担

ROM 中 的 Wi-Fi 以及 互联网协议
802.11 b/g/n 射频、基带，媒介访问控制 (MAC)，Wi-Fi 驱动器和请求方
TCP/IP 堆栈

行业标准 BSD 插槽应用编程接口 (API)
8 个同时 TCP 或 UCP 插槽
2 个同时 TLS 和 SSL 插槽

强大的加密引擎，用于与针对 TLS 和 SSL 连接的 256 位 AES 加密的快速、安全 Wi-Fi 和互联网连接
基站、访问点 (AP) 和 Wi-Fi Direct 模式
WPA2 个人和企业安全性
针对自主和快速 Wi-Fi 连接的 SimpleLink 连接管理器
SmartConfig 技术，AP 模式和 WPS2，这些技术用于实现简单且灵活的 Wi-Fi 服务开通
Tx 功率

18.0 dBm @ 1 DSSS
14.5 dBm @ 54 OFDM

RX 灵敏度

-95.7 dBm @ 1 DSSS
-74.0 dBm @ 54 OFDM

电源管理子系统

集成直流-直流转换器支持宽范围的电源电压：

VBAT 宽电压模式：2.1 至 3.6V
预稳压 1.85V 模式

高级低功耗模式

支持实时时钟 (RTC) 的休眠：4µA
低功耗深度睡眠 (LPDS)：120 µA
RX 流量（MCU 激活）：59 mA@54正交频分复用 (OFDM)
TX 流量（MCU 激活）：229 mA@54OFDM，最大功率
空闲连接（处于 LPDS 中的 MCU）：695 µA @ DTIM = 1

时钟源

具有内部振荡器的 40.0MHz 晶振
32.768kHz 晶振或外部 RTC 时钟

封装和工作温度

0.5mm 焊球间距，64 引脚，9mm x 9mm 四方扁平无引线 (QFN)
环境温度范围：-40°C 至 85°C

应用范围

用于物联网应用，诸如

云连通性
家庭自动化
家用电器
访问控制
安防系统
智能能源
互联网网关
工业控制
智能插座和仪表计量
无线音频
IP 网络传感器节点

CC3220描述

The CC3220x device is part of the SimpleLink™ microcontroller (MCU) platform which consists of Wi-Fi, low energy, Sub-1 GHz and host MCUs, which all share a common, easy-to-use development environment with a single core software development kit (SDK) and rich tool set. A one-time integration of the SimpleLink platform enables you to add any combination of the portfolio’s devices into your design, allowing 100 percent code reuse when your design requirements change. For more information, visit Overview for SimpleLink™ solutions.

Start your Internet-of-Things (IoT) design with a Wi-Fi® CERTIFIED® single-chip MCU System-on-Chip (SoC) with built-in Wi-Fi connectivity. Created for the IoT, the SimpleLink™ CC3220x device family from Texas Instruments is a single-chip solution, integrating two physically separated, on-chip MCUs. An application processor – ARM® Cortex®-M4 MCU with a user-dedicated 256KB of RAM, and an optional 1MB of XIP flash.A network processor MCU to run all Wi-Fi and Internet logical layers. This ROM-based subsystem includes an 802.11b/g/n radio, baseband, and MAC with a powerful crypto engine for fast, secure internet connections with 256-bit encryption.

The CC3220x wireless MCU family is part of the second generation of TI’s Internet-on-a-chip™ family of solutions. This generation introduces new features and capabilities that further simplify the connectivity of things to the Internet. The new capabilities including the following:

IPv6

Enhanced Wi-Fi provisioning

Enhanced power consumption

Enhanced file system security (supported only by the CC3220S and CC3220SF devices)

Wi-Fi AP connection with up to four stations

More concurrently opened BSD sockets; up to 16 BSD sockets, of which 6 are secure

HTTPS support

RESTful API support

Asymmetric keys crypto library

The CC3220x wireless MCU family supports the following modes: station, AP, and Wi-Fi Direct®. The device also supports WPA2 personal and enterprise security. This subsystem includes embedded TCP/IP and TLS/SSL stacks, HTTP server, and multiple Internet protocols. The device supports a variety of Wi-Fi provisioning methods including HTTP based on AP mode, SmartConfig™ Technology, and WPS2.0.

The power-management subsystem includes integrated DC-DC converters that support a wide range of supply voltages. This subsystem enables low-power consumption modes for extended battery life, such as low-power deep sleep, hibernate with RTC (consuming only 4.5 µA), and shutdown mode (consuming only 1 µA).

The device includes a wide variety of peripherals, including a fast parallel camera interface, I2S, SD, UART, SPI, I2C, and 4-channel ADC.

The SimpleLink CC3220x device family comes in three different device variants: CC3220R, CC3220S, and CC3220SF.

The CC3220R and CC3220S devices include 256KB of application-dedicated embedded RAM for code and data, ROM with external serial flash bootloader, and peripheral drivers.

The CC3220SF device includes application-dedicated 1MB of XIP flash and 256KB of RAM for code and data, ROM with external serial flash bootloader, and peripheral drivers. The CC3220S and CC3220SF device options have additional security features, such as encrypted and authenticated file systems, user IP encryption and authentication, secured boot (authentication and integrity validation of the application image at flash and boot time), and more.

The CC3220x device family is a complete platform solution including software, sample applications, tools, user and programming guides, reference designs, and the E2E™ online community. The device family is also part of the SimpleLink MCU portfolio and supports the SimpleLink developers ecosystem.

特性

CC3220x SimpleLink™ Wi-Fi® Wireless Microcontroller Unit (MCU) System-on-Chip (SoC) is a Single-Chip With Two Separate Execution Environments: a User Application Dedicated ARM® Cortex®-M4 MCU and a Network Processor MCU to Run All Wi-Fi and Internet Logical Layers
Chip-Level, Wi-Fi Alliance Wi-Fi CERTIFIED
Applications Microcontroller Subsystem

ARM Cortex-M4 Core at 80 MHz
Embedded Memory

The CC3220R and CC3220S Variants Include 256KB of RAM
The CC3220SF Variant is a Flash-Based Wireless MCU With Integrated 1MB of Flash and 256KB of RAM
External Serial Flash

McASP Supports Two I2S Channels
SD
SPI
I2C
UART
8-Bit Parallel Camera
Four General-Purpose Timers With 16-Bit PWM Mode
Watchdog Timer
4-Channel 12-Bit ADCs
Up to 27 GPIO Pins
Debug Interfaces: JTAG, cJTAG, SWD

Wi-Fi Network Processor (NWP) Subsystem

Wi-Fi Internet-on-a-chip Dedicated ARM MCU Completely Offloads Wi-Fi and Internet Protocols from the Application MCU
Wi-Fi Modes:

802.11b/g/n Station
802.11b/g Access Point (AP) Supports up to Four Stations
Wi-Fi Direct Client and Group Owner

WPA2 Personal and Enterprise Security: WEP, WPA/WPA2 PSK, WPA2 Enterprise (802.1x)
IPv4 and IPv6 TCP/IP Stack
Industry-Standard BSD Socket Application Programming Interfaces (APIs)

16 Simultaneous TCP or UDP Sockets
6 Simultaneous TLS and SSL Sockets

IP Addressing: Static IP, LLA, DHCPv4, DHCPv6 With DAD
SimpleLink Connection Manager for Autonomous and Fast Wi-Fi Connections
Flexible Wi-Fi Provisioning With SmartConfig Technology, AP Mode, and WPS2 Options
RESTful API Support Using the Internal HTTP Server
Embedded Network Applications Running on Dedicated Network Processor
Wide Set of Security Features:

Hardware Features:

Separate Execution Environments
Device Identity
Hardware Crypto Engine for Advanced Fast Security, Including: AES, DES, 3DES, SHA2, MD5, CRC, and Checksum
Initial Secure Programming:

Debug Security
JTAG and Debug Ports are Locked

Personal and Enterprise Wi-Fi Security
Secure Sockets (SSLv3, TLS1.0/1.1/TLS1.2)

Networking Security

Personal and Enterprise Wi-Fi Security
Secure Sockets (SSLv3, TLS1.0, TLS1.1, TLS1.2)
HTTPS Server
Trusted Root-Certificate Catalog
TI Root-of-Trust Public key

SW IP Protection

Secure Key Storage
File System Security
Software Tamper Detection
Cloning Protection
Secure Boot: Validate the Integrity and Authenticity of the Runtime Binary During Boot

Embedded Network Applications Running on the Dedicated Network Processor

HTTP/HTTPS Web Server With Dynamic User Callbacks
mDNS, DNS-SD, DHCP Server
Ping

Recovery Mechanism—Can Recover to Factory Defaults or to a Complete Factory Image
Wi-Fi TX Power

18.0 dBm @ 1 DSSS
14.5 dBm @ 54 OFDM

Wi-Fi RX Sensitivity

–96 dBm @ 1 DSSS
–74.5 dBm @ 54 OFDM

Application Throughput

UDP: 16 Mbps
TCP: 13 Mbps

Power-Management Subsystem

Integrated DC-DC Converters Support a Wide Range of Supply Voltage:

VBAT Wide-Voltage Mode: 2.1 V to 3.6 V
VIO is Always Tied With VBAT
Preregulated 1.85-V Mode

Advanced Low-Power Modes

Shutdown: 1 µA
Hibernate: 4.5 µA
Low-Power Deep Sleep (LPDS): 135 µA (Measured on CC3220R, CC3220S, and CC3220SF With 256-KB RAM Retention)
RX Traffic (MCU Active): 59 mA (Measured on CC3220R and CC3220S; CC3220SF Consumes an Additional 10 mA) @ 54 OFDM
TX Traffic (MCU Active): 223 mA (Measured on CC3220R and CC3220S; CC3220SF Consumes an Additional 15 mA) @ 54 OFDM, Maximum Power
Idle Connected (MCU in LPDS): 710 µA (Measured on CC3220R and CC3220S With 256-KB RAM Retention) @ DTIM = 1

Clock Source

40.0-MHz Crystal With Internal Oscillator
32.768-kHz Crystal or External RTC

RGK Package

64-Pin, 9-mm × 9-mm Very Thin Quad Flat Nonleaded (VQFN) Package, 0.5-mm Pitch

Operating Temperature

Ambient Temperature Range: –40°C to +85°C

Device Supports SimpleLink Developers Ecosystem

参数对比

Device Type

Processor

Features

Operating Temperature Range (C)

Throughput (Max) (Mbps)

Peripherals

Technology

Wi-Fi Idle Connect Current (mA)

Wi-Fi TX Output Power (dBm)

Wi-Fi RX Sensitivity (dBm)

Package (mm)

Certifications

Security Enabler

 

CC3200CC3220

Wireless MCU   
Wireless MCU   

ARM Cortex-M4   
ARM Cortex-M4   

802.11bgnSTAAPIPv42-Secure Sockets1-STA & Wi-Fi Direct ModeSmartConfigAP & WPS ProvisioningLow-power Wi-Fi   
802.11bgnSTAAPIPv4IPv66-Secure Sockets4-STA's & Wi-Fi Direct ModeSmartConfigAP & WPS ProvisioningOptimized Low-PowerEnhanced IoT Networking Security   

-40 to 85   
-40 to 85   

16 (UDP)13 (TCP)   
16 (UDP)13 (TCP)   

SPIUARTParallel CameraMcASP (I2S)SD/MMCI2C4 GP Timers1 Watchdog Timer4-Channel 12-Bit ADCsUp To 27 GPIOs   
SPIUARTParallel CameraMcASP (I2S)SD/MMCI2C4 GP Timers1 Watchdog Timer4-Channel 12-Bit ADCsUp To 27 GPIOs   

Wi-Fi   
Wi-Fi   

0.69 (DTIM = 1)   
0.69 (DTIM=1)   

18.0 (@ 1 DSSS)   
18.0 (@ 1 DSSS)   

-96 (@ 1 DSSS)   
-96 (@ 1 DSSS)   

9 × 9 QFN, 0.5 Pitch, 64-pin   
9 × 9 QFN, 0.5 Pitch, 64-pin   

Wi-Fi CERTIFIED™ Chip   
Wi-Fi CERTIFIED™ Chip   

Cryptographic accelerationNetworking securitySecure FW and SW update   
Cryptographic accelerationDevice identityExternal memory protectionNetworking securityPhysical securitySecure FW and SW update