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！
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建议使用CC3200、CC3220 单芯片wifi芯片
简介如下，
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。
完全解除 应用 微控制器的 Wi-Fi 和互联网协议处理负担
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.
| 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 |
