WIZNET

W5500 will resist hackers attack and save energy

New „hardwired“ TCP/IP chip from company Wiznet resists attacks, it´s fast and consumes only a minimum energy and host MCU resources.

Toto je archívny článok z 29.10.2014. Niektoré informácie v ňom už nemusia byť aktuálne a v zhode so súčasným stavom. V prípade pochybností Vám radi poskytneme aktuálne informácie.
TCP/IP solutions from company Wiznet are known by its resistance resulting already from their principle . all the solution is hardware-based, thus it´s not possible to change a basic functionality of a device (flooding, spoofing, ...). W5500 outstands by its “modesty” - it only requires a few GPIO pins of a host MCU – thanks to a high speed SPI interface (up to 80 MHz) and it also has a very low power consumption. A result of a small consumption is, that the chip heats up to approx. 40´C at a common operation, in contrast to other similar chips, which usually have 60-70´C at operation. This naturally means a higher reliability, possibility of a more dense placing of components and elimination of problems with overheating of a device built-in into a small enclosure.
Energy saving is also enhanced by Power Down and Wake-on-LAN (over UDP) modes. Single 3,3V are enough for power supply, while inputs are 5V tolerant. Status is indicated on LED outputs (full/half duplex, link speed, active) and the chip contains a built-in OS Linux (kernel 2.4.xx, 2.6.xx, 3.1,xx) & RTOS driver.
In our offer can be found the W5500 chip itself W5500-EVB evaluation board, as well as a ready-made module WIZ550S2E-TTL or WIZ550io. Examples of a real usage of Wiznet chips can be found in the document Wiznet application reference.
In case of interest, please contact us at info@soselectronic.com.

Advantages/ Features:

  • supports „Hardwired“ TCP/IP protocols : TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE
  • supports 8 independent „sockets“ simultaneously
  • Power down mode, Wake on LAN over UDP
  • High Speed Serial Peripheral Interface(SPI MODE 0, 3)
  • internal memory 32Kb for TX/RX buffer
  • 10BaseT/100BaseTX Ethernet PHY embedded
  • 3.3V pwr supply, I/O signals pins 5V tolerant
  • LED outputs (Full/Half duplex, Link, Speed, Active)
  • 48 Pin LQFP (7x7mm, 0.5mm pitch)

Win the WIZ550S2E module for free!

Competition with the following question has been published here:

What´s the typical supply current of the W5500 chip at ordinary operation?

The correct answer was: 132 mA
We have drawn the following winners:
Kamil Jirka [CZ]
Miroslav Čakan [SK]
Attila Németh [HU]
Congratulations to winners. We´ll inform them by e-mail.

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