W5100 datasheet(14/72 Pages) WIZNET

Part #	W5100

Description	Single-chip Internet-enabled 10/100 Ethernet Controller

PDF	72 Pages

Scroll/Zoom	100%

Manufacturer	WIZNET [WIZnet Co., Ltd]

Direct Link	https://www.wiznet.io/ko/Product/

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14 / 72 page

1.5 Clock Signals

Symbol

Type

Pin No

Description

XTLP

25MHz crystal input/output

A 25MHz parallel-resonant crystal is used to connect

these pins to stabilize the internal oscillator

If you want to use oscillator, 25MHz clock to connect

XTLN signals and XTLP is open and MUST use 1.8V

level oscillator.

XTLN

1.6 LED Signals

Symbol

Type

Pin No

Description

LINKLED

Link LED

Active low in link state indicates a good status for

10/100M.

It is always ON when the link is OK and it flashes

while in a TX or RX state.

SPDLED

Link speed LED

Active low indicates the link speed is 100Mbps.

FDXLED

Full duplex LED

Active low indicates the status of full-duplex mode.

COLLED

Collision LED

Active low indicates the presence of collision

activity.

RXLED

Receive activity LED

Active low indicates the presence of receiving

activity.

TXLED

Transmit activity LED

Active low indicates the presence of transmitting

activity.

W5100 Datasheet(PDF) 14 Page - WIZnet Co., Ltd

W5100 Datasheet(HTML) 14 Page - WIZnet Co., Ltd

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