WIZ820io User Manual
(WIZnet Co., Ltd.)
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1. Introduction
WIZ820io is the internet offload network module that includes W5200 (TCP/IP
hardwired chip, include PHY), MAG-JACK (RJ45 with X’FMR) with other glue logics.
It can be used as a component and no effort is required to interface W5200 and
Transformer.
The WIZ820io is an ideal option for users who want to develop their Internet
enabling systems rapidly.
For the detailed information on implementation of Hardware TCP/IP, refer
to the W5200 Datasheet.
WIZ820io consists of W5200 and MAG-JACK.
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TCP/IP, Ethernet MAC : W5200
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Ethernet PHY : Included in W5200
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Connector : MAG-JACK(RJ45 with Transformer)
1.1 Feature
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Supports 10/100 Base TX
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Supports half/full duplex operation
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Supports auto-negotiation and auto cross-over detection
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IEEE 802.3/802.3u Compliance
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Supports high speed SPI Interface (SPI mode 0, 3)
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Operates 3.3V with 5V I/O signal tolerance
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Supports network status indicator LEDs
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Includes Hardware Internet protocols: TCP, IPv4, UDP, ICMP, ARP, PPPoE,
IGMP
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Includes Hardware Ethernet protocols: DLC, MAC
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Supports 8 independent connections simultaneously
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Supports Power down mode
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Supports Wake On LAN
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Supports Socket API for easy application programming
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Interfaces with two 2.54mm pitch 1 x 6 header pin
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Very small form factor: 23mm x 25mm (PCB size)
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