Electronics Technology


Embedded webserver IC enables Internet connectivity and remote management

19 November 2003 Electronics Technology

ZiLOG designed its eZ80 webserver-i device to enable easy, cost-effective, direct connections to networks and the Internet with embedded TCP/IP and IrDA software. With the eZ80 webserver-i (eZ80L92), engineers are able to design applications that may be remotely managed using an Internet browser on a handheld device, cellphone or a personal computer.

The eZ80 webserver-i delivers 16 MB of memory address space, 50 MHz performance, Z80 and Z180 compatibility, a full Internet protocol stack, and an Ethernet reference design, says the company. A comprehensive development kit leverages the existing Internet infrastructure to create a powerful tool that Zilog claims allows engineers without Internet expertise to Web-enable their applications in as little as 48 hours.

In addition, ZiLOG announced two new development tools with an easy-to-understand interface that reduces an engineer's learning curve. The ability to learn faster allows engineers to reduce total system development time and enhance time-to-market.

One ZiLOG customer, Canberra Industries, recently migrated to the eZ80L92 webserver-i for the next generation of its Tennelec brand of Low Background Counting System products. "Our Low Background Counting System family of products range from portable to laboratory-based instruments that are built around a common set of electronics. We chose the eZ80L92 for our next generation of products due to its low power, 24-bit address space, on-chip peripherals, flexibility in interfacing to external memory and peripheral devices, and the re-usability of much of our existing Z180 code," said Steve Hinshaw, Engineering Manager for Canberra Industries.

"We use the on-chip SPI interface to communicate with the data acquisition front-end and the on-chip I2C interface to communicate with the system control panel. Our new system controller, based around the eZ80L92, has the processing power, memory and external I/O to meet our current and future needs over the projected five-year product life cycle. ZiLOG's embedded Internet software suite allows us to rapidly develop and integrate a network interface into our products, allowing our instruments to connect directly to a host PC or through a LAN."

More details

The eZ80 webserver-i gives customers low-cost computing for applications such as Internet connectivity, industrial control, factory automation, building management, security, vending, and Internet appliances.

The eZ80L92 Microprocessor is a power efficient, optimised pipeline architecture microprocessor operating up to 50 MHz. The eZ80L92 includes an IrDA compatible Infrared Encoder/Decoder; power management features such as SLEEP/HALT modes and peripheral power down controls; general purpose port pins; serial ports; SPI; and I2C port.

The eZ80 webserver-i E-Net Module is a compact, high-performance Ethernet module specially designed for rapid development and deployment of embedded systems requiring control and Internet/intranet connectivity.

The Embedded Webserver Software Suite is a no-compromise suite with all the sub-protocols and options required to function on a busy network. On-chip features and functionality allow the eZ80 microprocessor to act as a full-featured embedded Webserver while maintaining complete, realtime control over an embedded system. The software suite implements full-featured Internet protocol stacks.

The company's ZiLOG Developer Studio or ZDS II, is a complete integrated development environment highly tuned for embedded applications, and focused on simplifying the complexities of the embedded work environment. A second tool, ZPAK II, represents an evolutionary step forward in in-circuit emulation. ZPAK II is a high-speed emulation system that allows engineers to debug code, on actual hardware, while sitting at their desk, in a remote lab, or from anywhere else in the world over the Internet, giving engineers the flexibility to choose their work environment.



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