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Flash MCUs offer embedded Ethernet MAC/PHY

Posted: 19 Jun 2006 ?? ?Print Version ?Bookmark and Share

Keywords:ASIX? MCU? microcontrollers? Flash? AX11001?

ASIX Electronics Corp. has announced sample availability of three new Flash microcontrollers with embedded Ethernet MAC/PHYthe AX11001, AX11005 and AX11015. According to the company, the new AX110xx devices are the world's first high-performance 8bit microcontrollers to deliver the 10/100Mbps Fast Ethernet MAC/PHY, the TCP/IP accelerator, and the Flash memory in a single chip.

With this highly integrated SoC solution, ASIX said the AX110xx family provides a very small form-factor solution to enable embedded system designers to design compact, low-power, high-performance yet low-cost embedded and industrial Ethernet applications for the growing embedded networking markets.

The new devices feature a single-cycle pipelined 8051/80390 core (up to 100MIPS), 128- to 512KByte Flash memory, and 32KB RAM. The embedded Ethernet PHY supports Auto-MDIX, which allows either the straight-through or crossover cables to be directly connected to the device easily. The devices support serial communication interfaces such as I2C, SPI bus, three UART (with one supporting 921.6Kbps), and 1-wire. The parallel interfaces supported include external memory interface, local bus, and Ethernet MII.

The timing functions can be achieved through a watchdog timer, three general-purpose 16bit timers, and a 5-channel programmable counter array (PCA). There are four full ports offering 32 controllable IO lines (GPIO). The device also supports run-time firmware or driver update through Ethernet or UART, the so-called In-Application Programming (IAP). A separate industrial temperature range version of the devices targeted is available for applications that need extended operating temperature range (-40 to 85).

ASIX said its AX110xx family is suitable for a number of applications that use the embedded Ethernet design, including home appliances, factory/building automation, industrial equipment, security systems, remote control/monitoring/management, and streaming media applications such as POS terminals, vending machines, IP camera, Internet radio, automatic meter reading, environmental monitoring systems, network sensors, networked UPS, Serial to Ethernet adapter, and Ethernet to ZigBee bridge.

To help customers evaluate and develop with AX110xx family platform, ASIX provides free of charge comprehensive technical support information in a Development/Reference Design Kit, which includes the hardware and software application notes, user guides, schematics, PCB layout guide, and the firmware C source code for the AX110xx family. In addition, ASIX also offers several versions of the platform available for customers' development purpose.

Limited samples of the AX110xx single-chip microcontroller with TCP/IP and 10/100M Fast Ethernet MAC/PHY are available, and volume production is scheduled in August 2006. The chips are offered in RoHS-compliant packaging.

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