W5500 datasheet(51/66 Pages) WIZNET

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W5500 Datasheet Version1.0.9

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Sn_PORT (Socket n Source Port Register) [R/W] [0x0004-0x0005] [0x0000]

Sn_PORT configures the source port number of Socket n. It is valid when Socket n is

used in TCP/UDP mode. It should be set before OPEN command is ordered.

Ex) In case of Socket 0 Port = 5000(0x1388), configure as below,

0x0004

0x0005

0x13

0x88

Sn_DHAR (Socket n Destination Hardware Address Register)

[R/W] [0x0006-0x000B] [0xFFFFFFFFFFFF]

Sn_DHAR configures the destination hardware address of Socket n when using

SEND_MAC command in UDP mode or it indicates that it is acquired in ARP-process by

CONNECT/SEND command.

Ex) In case of Socket 0 Destination Hardware address = 08.DC.00.01.02.10, configure as below.

0x0006

0x0007

0x0008

0x0009

0x000A

0x000B

0x08

0xDC

0x00

0x01

0x02

0x0A

Sn_DIPR (Socket n Destination IP Address Register)

[R/W] [0x000C-0x000F] [0x00000000]

Sn_DIPR configures or indicates the destination IP address of Socket n. It is valid

when Socket n is used in TCP/UDP mode.

In TCP client mode, it configures an IP address of ‘TCP server’ before CONNECT

command.

In TCP server mode, it indicates an IP address of ‘TCP client’ after successfully

establishing connection.

In UDP mode, it configures an IP address of peer to be received the UDP packet by

SEND or SEND_MAC command.

Ex) In case of Socket 0 Destination IP address = 192.168.0.11, configure as below.

0x000C

0x000D

0x000E

0x000F

192 (0xC0)

168 (0xA8)

0 (0x00)

11 (0x0B)

Sn_DPORT (Socket n Destination Port Register) [R/W] [0x0010-0x0011] [0x00]

Sn_DPORT configures or indicates the destination port number of Socket n. It is valid

when Socket n is used in TCP/UDP mode.

In TCP client mode, it configures the listen port number of ‘TCP server’ before

CONNECT command.

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