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IEEE 802.11 (Wi-Fi)

Wi-Fi is a key technology enabling devices to connect directly to each other, to wide area networks, or simply to the Internet in order to provide remote monitoring and control of a system. As such, it is becoming a major driver of the explosion of the Internet of Things.

Atmel® offers a family of self-contained, low power Systems-On-Chip (SoC) bringing Wi-Fi connectivity to any embedded design. Whether they take the form of an SoC or a certified module, Atmel Wi-Fi solutions offer the ideal solutions for embedded designers seeking to integrate Wi-Fi connectivity in their system. This opens the door of the Internet of Things to the vast array of battery powered devices and applications requiring the integration of WLAN connectivity without compromising on cost and power consumption.

These Wi-Fi solutions are based on Atmel’s industry-leading ultra-low-power Wi-Fi SoC and can easily be combined with Atmel’s broad portfolio of microcontroller technology. These turnkey systems provide an integrated software solution with ready-for-production applications including integrated network services (TCP/IP stack), and a standard Real Time Operating System (RTOS), which are all available through Atmel’s Studio 6 integrated development platform (IDP).

Key Features

  • Dual-band 2.4GHz/5GHz a/b/g for compatibility
    • Supports connection to any WiFi device or network
    • Can avoid congestion and interference in the busy 2.4GHz band
  • Ultra-low 2µA standby current for years of battery life
  • Complete integrated single-chip solution for direct connection to device I/Os and sensors
    • I2C, SPI, UART, ADC interfaces
  • On-chip MCU
    • Can operate completely host-less in most applications
  • Supports Wi-Fi security WPA2, Wi-Fi certified
  • Integrated RF front-end, simple reference design
  • Direct-connect to battery 1.8V to 3.6V range

Devices

Device Family Summary Benefit Applications Technologies Key Parameters

Turnkey Solution

Highly scalable MCU approach

Industry’s lowest power Wi-Fi

Battery-powered devices

Smart appliances

Healthcare

Home automation

Consumer electronics

Industrial automation

2.4GHz IEEE 802.11 to interoperate with any Wi-Fi router

Atmel’s Wi-Fi SoC and SAM D21 ARM Cortex-M0+ MCU

WPA/WPA2, WEP, TKIP

Wi-Fi SoftAP/STA modes

Out Of the Box Network Services

(TCP/IP, UDP, HTTP, HTTPS, DHCP, DNS, SSL/TLS)

Ultra-low 14µA SUSPEND current for years of battery life

Can operate completely host-less in most applications

Direct-connect to 1.8V to 3.6V range battery

Options from 0dbm to +17dbm output power

 

Single-chip standalone solution

Leverages the existing WiFi in the host system

Industry’s lowest power WiFi

Future-proof architecture for wireless HID (human interface device)

Battery-powered human-interface device (HID) peripherals

Remote control

Game controller

Stereo speakers

Gaming headset

Dual-band 2.4GHz/5GHz a/b/g for compatibility

Supports connection to any WiFi device or network

Can avoid congestion and interference in the busy 2.4GHz band

Ultra-low 2µA standby current for years of battery life

Complete integrated single-chip solution for direct connection to device I/Os and sensors

I2C, SPI, UART, ADC interfaces

On-chip MCU

Can operate completely host-less in most applications

Supports Wi-Fi security WPA2, Wi-Fi certified

Integrated RF front-end, simple reference design

Direct-connect to 1.8V to 3.6V range battery