W5200 datasheet(17/88 Pages) WIZNET

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4.1 Common Registers

MR (Mode Register) [R/W] [0x0000] [0x00]

This register is used for S/W reset, ping block mode and PPPoE mode.

RST

WOL

PPPoE

Bit

Symbol

Description

RST

S/W Reset

If this bit is ‘1’, internal register will be initialized. It will be

automatically cleared after reset.

Reserved

WOL

Wake on LAN

0:Normal Mode

1:WOL mode

If the bit is set as ‘1’, there is waiting for the Magic Packet.

Ping Block Mode

0 : Disable Ping block

1 : Enable Ping block

If the bit is set as ‘1’, there is no response to the ping request.

PPPoE

PPPoE Mode

0 : DisablePPPoE mode

1 : EnablePPPoE mode

If you use ADSL without router or etc, you should set the bit as

‘1’ to connect to ADSL Server. For more detail, refer to the

application note, “How to connect ADSL”.

Reserved

GAR (Gateway IP Address Register) [R/W] [0x0001 – 0x0004] [0x00]

This Register sets up the default gateway address.

Ex) In case of “192.168.0.1”

0x0001

0x0002

0x0003

0x0004

192 (0xC0)

168 (0xA8)

0 (0x00)

1 (0x01)

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