360° Coverage : Saelig Introduces Low-Cost Hardwired TCP/IP Chip

Saelig Introduces Low-Cost Hardwired TCP/IP Chip

Latest "Internet Offload" Ethernet Chip provides rugged TCP/IP performance and ease of use for low-cost ‘Internet of Things’ applications

Sep 25 2013, 3:14am CDT | by PR.com

Fairport, NY, September 25, 2013 --(PR.com)-- Saelig Company Inc has announced the W5500 Fast SPI Ethernet Controller IC, with enhancements and cost reductions over previous WIZnet Ethernet ICs. The W5500 chip is a hardwired TCP/IP Ethernet controller that provides easy Internet connection to embedded systems by using a single chip in which the TCP/IP stack, 10/100 Ethernet MAC and PHY are embedded. The W5500’s TCP/IP Core is composed of a fully-hardwired, market-proven 10BaseT/100BaseTX TCP/IP stack with an integrated Ethernet MAC & PHY which supports TCP, UDP, IPv4, ICMP,ARP, IGMP, and PPPoE protocols.

W5500 represents a 3rd generation design, with improvements and smaller geometry manufacturing and die size. The W5500 die has also been laid out for easy integration with other chip dies such as MCU, DSP, and FPGA that use ‘SiP’ (System-in-Package) packaging techniques. The W5500 now offers a fast, versatile SPI interface (up to 80 MHz) and the ability for a host MCU to flexibly utilize the W5500’s buffer RAM for general-purpose data, a plus when using low-cost MCUs with limited on-chip RAM. Product hardware design is also simplified by the reduction of external power supply components and the use of firmware-setting (rather than pin-setting) of physical layer PHY options.

The W5500 allows popular low-cost 8/16-bit MCUs to offer Ethernet capabilities - its hardware protocol processing and large RAM buffer facilitates small memory MCU applications. Ethernet capability can also be added to an existing design without the need to redesign with a more expensive MCU. Large and small MCUs alike can benefit from the W5500’s ‘Internet Offload’ capabilities that minimize application software interference and timing constraints associated with network activity. Application and network performance remain stable and predictable under varying loads – never a “stack overflow”! Unlike designs that require software to handle basic network operations, the W5500 delivers a measure of ‘firewall’-like protection and ‘always on’ reliability in hardware.

The W5500 is more power efficient (max internal temperature 45°C) than its predecessors and only offers an SPI control interface. It offers features such as Power-Down, Wake-On-LAN, Auto-Negotiation, etc. and is housed in the industry-standard LQFP package (48pin, 9x9mm², 0.5 mm pitch) for easy use and simple handling.

Advantages of the W5500 (TCP/IP + MAC + 10/100 PHY) over a simple MAC-PHY Ethernet controller include eight simultaneous TCP/IP protocol sockets and 32kByte of available dual-ported RAM. Offloading the TCP/IP stack to an external chip block is an excellent strategy for speeding up product development time and avoiding operating crashes and unreliability. It reduces CPU burden and improves overall system performance.

The performance and security advantages of hardware TCP/IP are well known to manufacturers of ATMs, set-top boxes, and industrial/smart meters. The W5500, with its guaranteed 5 year availability, is suitable for home network devices, set-top boxes, digital media adapters, serial-to-Ethernet devices, access controls, LED displays, wireless AP relays, POS printers, DVRs, network cameras, kiosks, building automation, etc.

The W5500 IC and associated demo boards will be available Q4 2013 from WIZnet's USA distributor Saelig Company. For detailed specifications, free technical assistance, or additional information, please contact Saelig at 888-7SAELIG.

Contact Information:
Saelig Co. Inc.
Alan Lowne
Contact via Email
71 Perinton Parkway
Fairport, NY 14450 USA

Read the full story here: http://www.pr.com/press-release/517922

Press Release Distributed by PR.com

Source: PR.com


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