Product category: Microprocessors, Microcontrollers and DSPs
News Release from: Zilog | Subject: eZ80 Webserver (eZ80190)
Edited by the Electronicstalk Editorial Team on 6 December 2001
8bit MCU takes
15 Internet protocols onboard
ZiLog has begun shipments of its eZ80 Webserver (eZ80190), enabling easy, cost-effective, direct connections to networks and the Internet
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The eZ80 Webserver uses standard Internet protocols to enable direct connections over both local- and wide-area networks and the Internet. It is fully code compatible with ZiLog's well known Z80 and Z180, and offers the most complete Internet connectivity suite of any 8bit device, with high-speed performance and superior memory support.
The eZ80 Webserver is the first in a family of high-performance processors that provide a complete Internet development environment: evaluation board, emulator, integrated development environment (IDE), and a full-featured embedded Internet protocol suite.
"ZiLOG's eZ80 Webserver tackles a lot more than chip design.
The company is leveraging the existing infrastructure of the Internet (ie Internet protocols, software tools, and browsers) to create a powerful tool that will allow engineers without Internet expertise to easily web-enable their applications", said Will Strauss, president of Forward Concepts.
The eZ80 Webserver is the foundation of ZiLog's long-range Webserver strategy that features single-chip connectivity solutions with IrDA, Ethernet, wireless and voice over Internet protocol (VoIP).
In the first version, the Embedded Webserver Software Suite is loaded in external memory.
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Future versions of the eZ80 Webserver will integrate on-chip memory where the software suite may reside.
"Network and Internet connectivity will one day be as ubiquitous as electricity and found in devices from the factory floor to the home.
ZiLog is taking the eZ80 Webserver into applications where the PC simply cannot go", said Michael Burger, Executive Vice President and General Manager of ZiLog.
"In one silicon-and-software package, the eZ80 Webserver 8bit microprocessor features the CPU, operating system and connectivity of a PC on a smaller, more manageable scale".
The eZ80 Webserver operates at 50MHz and features an Embedded Webserver Software Suite implementing 15 Internet protocols, including TCP/IP and HTTP.
The Internet-compliant stack suite allow engineers to create products that end-users may remotely manage, control, diagnose and reconfigure using an Internet browser on a handheld device, cell phone or a personal computer.
ZiLog's eZ80 Webserver is designed to perform the complicated functions required by industrial control, factory automation, building and facility management, remote monitoring and control, security, online information kiosks, vending machines, home and office automation, and Internet and digital appliances.
Today's networking applications require greater linear addressing capability, greater speed, higher performance and more powerful arithmetic features to perform increasingly complex functions across Internet, local- and wide-area networks.
The eZ80 Webserver is the first 8bit microprocessor specifically developed for embedded Internet applications, with performance rivalling more expensive 16bit processors.
Other 8bit devices claiming to serve this market have limited Internet functionality.
ZiLog's complete solution comprises the eZ80 core, Embedded Webserver Software Suite, a multiply-accumulator engine, peripherals, and development tools.
The new eZ80 architecture enables the processor to function 10 to 16 times faster than the widely used Z80 processor while occupying only one-quarter the space and consuming less than half the power.
Using a multiply accumulator, as found in DSPs, the eZ80 can execute secure communications algorithms with Internet connected applications and equipment, whether consumer or industrial, from anywhere its user accesses the Internet.
Unlike most 8bit microprocessors that can only address 64Kbyte, the eZ80 Webserver addresses 16Mbyte without a memory management unit.
It also performs 24bit arithmetic for higher throughput.
The eZ80 features 8bit instructions for code efficiency and 16bit registers for high application performance (the "enhanced" mode extends all registers to 24bit).
To help facilitate embedded Internet applications, special instructions help to bulk-move TCP/IP packets data as they are being processed.
A 16Mbyte linear addressing range is one of the largest addressing ranges available for an 8bit processor, providing protection against any engineer's code expanding beyond capacity as additional features are added.
The Embedded Webserver Software Suite is a no-compromise suite with all the subprotocols and options required to function on a busy network.
On-chip features and functionality allow the eZ80 to act as a full-featured embedded Webserver while maintaining complete, real-time control over an embedded system.
The software suite implements full-featured Internet protocol stacks, including TCP/IP, the standard of Internet communication, and HTTP to enable users to code their applications in HTML.
The suite delivers 15 Internet protocols: IPv4, TCP, UDP, ARP, RARP, IGMP, ICMP, PPP, HTTP 1.1, BOOTP/DHCP, SMTP, TFTP, SNMP, Telnet, and FTP.
The suite enables users to remotely manage, control, diagnose and reconfigure products from any point of Internet access.
Unlike other 8bit devices, the software suite adheres to the standards defined by groups such as the Internet Engineering Task Force (IETF) and the World Wide Web Consortium (W3C).
The solution also includes Ethernet and serial device drivers and implements the most relevant and latest approved RFCs from the IETF.
ZiLog also provides easy-to-use development tools that allow engineers with minimal Internet knowledge to immediately implement the Internet protocol stack into design.
Devices are available now, starting at $11.00 for quantities of 10,000.
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