CC3100 SimpleLink Wi-Fi与物联网解决方案

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"TI-CC3100是一款由德州仪器(TI)推出的SimpleLink Wi-Fi和物联网解决方案，适用于与微控制器(MCU)配合使用的应用。该器件集成了Wi-Fi网络处理器子系统、电源管理子系统，以及802.11b/g/n射频、基带和媒介访问控制(MAC)功能。它还包括了Wi-Fi驱动程序、TCP/IP堆栈，并且支持多种互联网协议。CC3100具有低外部主机驱动器封装尺寸，易于与各种MCU或ASIC对接，并提供了高效能的加密引擎，确保WPA2个人和企业级的安全性。此外，它还具备智能配置功能，如SmartConfig和WPS2，以及先进的低功耗模式。" CC3100的主要特性包括其优秀的接收灵敏度，如-95.7dBm@1DSSS和-74.0dBm@54OFDM，这使得设备在无线通信中能接收更弱的信号。它内置的Wi-Fi网络处理器子系统能够处理大部分Wi-Fi和互联网协议，减轻了外部MCU的负担。器件内嵌的ROM包含了Wi-Fi驱动程序和多种互联网协议，简化了开发过程。CC3100提供了SPI和UART接口，可以方便地与各种微控制器进行通信。该解决方案支持8个同时TCP或UDP，2个同时TLS和SSL插槽，满足多连接需求。电源管理子系统则支持宽范围的电源电压，如VBAT宽电压模式的2.1至3.6V，以及预稳压1.85V模式，有助于优化能耗。其低功耗特性如休眠模式下仅4μA的电流消耗，以及低功耗深度睡眠(LPDS)模式下的115μA，使得设备在保持连接的同时，实现了极低的功耗。 CC3100的加密引擎支持256位AES加密，确保了在TLS和SSL连接下的安全性。它还支持多种操作模式，如基站、访问点(AP)和Wi-Fi Direct，适应不同的网络环境。此外，SmartConfig技术使得设备能够便捷地连接到网络，而WPS2功能则简化了设备的配对过程。 TI-CC3100是一款集成度高、功能强大且低功耗的Wi-Fi解决方案，专为物联网应用设计，旨在提供无缝的Wi-Fi连接体验，同时兼顾了开发简便性和运行效率。对于那些需要在产品中整合Wi-Fi功能的嵌入式系统开发者来说，CC3100是一个理想的选项。

CC3100

ZHCSCJ6C –JUNE 2013–REVISED JUNE 2014

www.ti.com.cn

4 Specifications

All measurements are referenced at the device pins, unless otherwise indicated. All specifications are over

process and voltage, unless otherwise indicated.

4.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted)

PARAMETERS PINS MIN MAX UNIT

BAT

and V

37, 39, 44 –0.5 3.8 V

-V

BAT

(differential) 10, 54 0.0 V

Digital inputs –0.5 V

+ 0.5 V

RF pins –0.5 2.1 V

Analog pins (XTAL) –0.5 2.1 V

Operating temperature range (T

) –40 +85 °C

4.2 Handling Ratings

MIN MAX UNIT

stg

Storage temperature range –55 +125 °C

Human body model (HBM), per ANSI/ESDA/JEDEC

–2000 +2000 V

JS-001, all pins

(1)

ESD

Electrostatic discharge

Charged device model (CDM), per JEDEC

–500 +500 V

specification JESD22-C101, all pins

(2)

(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.

(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

4.3 Power-On Hours

CONDITIONS POH

Ambient

up to 85°C, assuming 20% active mode and 80% sleep mode 17,500

(1)

(1) The CC3100 device can be operated reliably for 10 years.

4.4 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)

(1)

PARAMETERS PINS CONDITIONS

(2) (3)

MIN TYP MAX UNIT

BAT

, V

(shorted to V

BAT

) 10, 37, 39, Direct battery connection 2.1 3.3 3.6 V

44, 54

BAT

, V

(shorted to V

BAT

) 10, 37, 39, Preregulated 1.85 V 1.76 1.85 1.9 V

44, 54

Ambient thermal slew –20 20 °C/minute

(1) Operating temperature is limited by crystal frequency variation.

(2) To ensure WLAN performance, ripple on the 2.1- to 3.3-V supply must be less than ±300 mV.

(3) To ensure WLAN performance, ripple on the 1.85-V supply must be less than 2% (±40 mV).

The device enters a brown-out condition whenever the input voltage dips below V

BROWN

(see Figure 4-1). This

condition must be considered during design of the power supply routing, especially if operating from a battery.

High-current operations (such as a TX packet) cause a dip in the supply voltage, potentially triggering a brown-

out. The resistance includes the internal resistance of the battery, contact resistance of the battery holder (4

contacts for a 2 x AA battery) and the wiring and PCB routing resistance.

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