TI's CC3100 automotive electronic service equipment with Wi-Fi function solution

The CC3100 device is the industry's first Wi-Fi CERTIFIED chip for wireless networking solutions. The CC3100 device is part of the new SimpleLink Wi-Fi family, which greatly simplifies the implementation of the Internet interconnect. The CC3100 device integrates all protocols for Wi-Fi and the Internet, greatly reducing the requirements of the host MCU software. With built-in security protocols, the CC3100 solution provides a powerful and simple security experience. In addition, the CC3100 device is a complete platform solution that includes a variety of tools and software, sample applications, user and programming guides, reference designs and the TI E2E support community. The CC3100 device is available in an easy-to-layout QFN package.

The Wi-Fi network processor subsystem has a Wi-Fi on-chip network and includes an additional dedicated ARM MCU that is completely offloaded from the host MCU. The subsystem includes an 802.11b/g/n radio, baseband and MAC with a powerful encryption engine for fast, secure Internet connections using 256-bit encryption. The CC3100 device supports stations, access points and Wi-Fi Direct mode. The device also supports WPA2 Personal, Enterprise Security and WPS 2.0. This subsystem includes embedded TCP/IP and TLS/SSL stacks, an HTTP server and multiple Internet protocols.

The power management subsystem includes an integrated DC-DC converter that supports a wide range of supply voltages. The subsystem supports low power modes, such as sleep mode, which requires 4μA of current.

The CC3100 device can be connected to any 8-bit, 16-bit or 32-bit MCU via an SPI or UART interface. The device driver minimizes the host memory footprint requirements of less than 7KB of code memory and 700B of RAM memory required by TCP client applications.

CC3100 main features

CC3100 SimpleLink Wi-Fi consists of a Wi-Fi network processor and power management subsystem

Wi-Fi CERTIFIED chip

Wi-Fi network processor subsystem

Wi-Fi connection

Dedicated ARM MCU

Completely uninstall Wi-Fi and Internet protocols from an external microcontroller

Wi-Fi driver and multiple internet protocols in ROM

802.11b/g/n radio, baseband and media access control (MAC), Wi-Fi drives and requesters

TCP/IP stack

Industry standard BSD socket application programming interface (API)

8 simultaneous TCP or UDP slots

2 simultaneous TLS and SSL slots

Powerful encryption engine for fast, secure Wi-Fi and Internet connectivity, 256-bit AES encryption with TLS and SSL connections

Base station, AP and Wi-Fi Direct mode

WPA2 Personal and Business Security

SimpleLink Connection Manager for autonomous and fast Wi-Fi connectivity

SmartConfig technology, AP mode and WPS2 for easy and flexible Wi-Fi configuration

TX power

18.0dBm@1DSSS

14.5dBm@54OFDM

RX sensitivity

95.7dBm@1DSSS

74.0dBm@54OFDM

Application throughput

UDP: 16Mbps

TCP: 13Mbps

Host interface

Interface to 8-bit, 16-bit and 32-bit MCUs or ASICs via SPI or UART interface

Low external host driver usage: TCP client applications only need less than 7KB of code memory and 700B of RAM memory

Power management subsystem

Integrated DC-DC supports a wide range of supply voltages:

VBAT wide voltage mode: 2.1V~3.6V

Pre-adjusted 1.85V mode

Advanced low power mode

Sleep and RTC: 4μA

Low Power Deep Sleep (LPDS): 115μA

RX traffic (MCU active): 53mA@54OFDM

TX traffic (MCU active): 223mA@54OFDM, maximum power

Idle connection: 690μA@DTIM=1

Clock source

40.0MHz crystal oscillator with internal oscillator

32.768kHz crystal or external RTC clock

Package and operating temperature

0mm pitch, 64 pins, 9mm x 9mm QFN

Ambient temperature range: -40 ° C ~ 85 ° C

TI's CC3100 automotive electronic service equipment with Wi-Fi function solution

Figure 1 CC3100 Hardware overview

TI's CC3100 automotive electronic service equipment with Wi-Fi function solution

Figure 2 CC3100 software overview

TI's CC3100 automotive electronic service equipment with Wi-Fi function solution

Figure 3 CC3100 SimpleLink Wi-Fi Solution Functional Block Diagram

TI's CC3100 automotive electronic service equipment with Wi-Fi function solution

Figure 4 CC3100 wide voltage mode application circuit

TI's CC3100 automotive electronic service equipment with Wi-Fi function solution

Figure 5 CC3100 pre-regulated 1.85V mode application circuit

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