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Low power Wi-Fi controller ready for home apps

14 Feb 2013  | Julien Happich

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Murata has recently unveiled the latest series of compact low power certified Wi-Fi controller modules. The SN8200 series of modules are capable of providing 2.4GHz 802.11b/g/n internet connectivity to a broad host of home appliances, industrial automation machines and healthcare equipment.

The self-contained module uses Broadcom Corporation's wireless internet connectivity for embedded devices (WICED) architecture to provide comprehensive firmware and software features including a built-in Wi-Fi security supplicant supporting WPA PSK and WPA2 PSK, TCP/IP network stack and a simple network interface card (SNIC) protocol that supports socket connections.

Measuring just 30.5x19.4x2.9mm, the SN8200 module is certified to FCC, IC and ETSI wireless standards and is equipped with a STM32 ARM Cortex-M3, an on-board antenna and offers both UART or SPI connectivity to the host application. The ability to support sensor applications is also possible by using the module's ADC, DAC, I2C and GPIO interfaces. The SN8200 can operate in either access point (AP) or station (STA) mode.

An integrated web server available in AP mode makes target device setup and control extremely easy. Output power is typically +18 dBm when operating in 802.11b mode at 11 Mbit/s.

Datasheet for the SN8200 Network controller module can be found here.

- Julien Happich
  EDN




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