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Sunday, January 21, 2018

Fully embedded stand-alone Wi-Fi module for highly integrated applications

By Nick Flaherty

Panasonic Industry Europe has launched a fully embedded stand alone Wi-Fi module for highly integrated and cost-effective applications.

The PAN9420 device is a 2.4GHz 802.11 b/g/n fully embedded Wi-Fi Module with integrated stack and API that minimises firmware development and includes a full security suite. It is based around the 88MW300 system-on-chip from Marvell which uses a 200MHzARM Cortex M4F microcontroller core with a flash controller and 32Kbytes of SRAM cache for execute in pace (XIP) applications and updates. 

A fully shielded case, integrated crystal oscillators and a chip antenna allows the PAN9420 module to combine the 88MW300, high-sensitivity wireless radio, baseband processor, medium access controller, encryption unit, boot ROM with patching capability, internal SRAM and in-system programmable flash memory. The integrated memory enables storing web content such as HTML pages or image data while the parallel support of access point and infrastructure mode allows easy setup of simultaneous Wi-Fi connections from the PAN9420 to smart devices and home network routers. 

The pre-programmed Wi-Fi SoC firmware enables Ad-hoc mode (Wi-Fi Direct) applications. With the transparent mode, raw data can be sent from the UART to the air interface to smart devices, web servers or PC applications.

Also now available is a PAN9420 Evaluation Kit containing a motherboard with PAN9420 daughter board (PAN9420 FCC version module) which easily connects to any PC using the USB-cable included. The motherboard comes with two USB to UART converters allowing for hardware access to the two UART module interfaces (command and binary interface). The PAN9420 FCC version module comes pre-loaded with a firmware for IoT applications and a Panasonic Web content example.
The PAN9420 module is available in two version: FCC/IC (P/N: ENW49C01A3KF) and CE RED (P/N: ENW49C02A3KF) pre-certified.

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