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ASIX Launches Embedded Wi-Fi SoC for the Internet of Things Market

ASIX Electronics Corp., a leading fabless semiconductor company for embedded networking solutions, today announced it is now delivering the AX220xx family, a single chip microcontroller with TCP/IP and 802.11 WLAN MAC/baseband. The AX220xx is the latest member being added to ASIX’s Embedded Network SoC product portfolio. Leveraging prevalent Wi-Fi infrastructure in home and office environment, the new single-chip Wi-Fi SoC, AX220xx family, provides cost competitive wireless connectivity solution for bridging uncompressed digital audio data, compressed digital video data and serial/parallel user data through its versatile interfaces over the Wi-Fi network.

AX220xx is a System-on-Chip (SoC) solution which offers high performance dual-CPU architecture with on-chip 1MB shared Flash as Program Memory, on-chip 64KB Data Memory for Main CPU (MCPU), on-chip 32KB Data Memory for Wi-Fi CPU (WCPU), TCP/IP accelerator, 802.11a/b/g compatible WLAN MAC/Baseband, Fast Ethernet MAC, and rich communication peripherals for wide varieties of application which need access to the wired/wireless LAN or Internet.

The dual-CPU architecture of AX220xx utilizes the MCPU for applications and TCP/IP processing, and the WCPU for WLAN protocol processing and Ethernet to WLAN packet format translation. The built-in WLAN MAC and Baseband processor are compatible with IEEE 802.11a/b/g standard, and support security features compatible with 802.11i and QoS features compatible with IEEE 802.11e, and support operation in Infrastructure or Ad-Hoc (IBSS) network topology. In addition to standalone application, AX220xx with TCP/IP protocol suite running on-chip and various parallel and serial host interfaces supported, such as Local Bus Interface, High Speed UART or High Speed SPI, can be used as a network co-processor to offload TCP/IP and WLAN protocol processing loading from system CPU in an embedded system.

There is a growing need to add wireless network connectivity into embedded systems, such as adding remote control capability to embedded devices and enabling user's smartphone to take control over Wi-Fi. Machine-to-Machine (M2M) or Internet of Things (IoT) communications will be the primary market demand for the embedded networking system for the years to come. Tailor made for this embedded market, AX220xx provides cost effective wire or wireless networking solution to enable simple, easy, and low cost Internet connection capability for many applications, such as consumer electronics, networked home appliances, Wi-Fi speaker, industrial equipments, security systems, remote data collection equipments, remote control, remote monitoring, and remote management.

To help customers evaluate and develop applications with the AX220xx product family, ASIX provides comprehensive technical support information in a Development/Reference Design Kit. The Kit includes the hardware and software application notes, user guides, schematics, PCB layout guide, and the firmware C source code for the AX220xx family with free of charge. In addition, ASIX also offers several versions of platform available for customers’ development purpose.

Volume production of the AX220xx are available now. The chips are offered in RoHS compliant version. For more information on AX22001 and AX22011 family, please contact ASIX Electronics Corp. via e-mail:, or visit our website:

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