W5500 Datasheet, PDF (33/65 Pages) List of Unclassifed Manufacturers – Supports 8 independent sockets simultaneously

0 : Disable Force ARP mode
1 : Enable Force ARP mode
In Force ARP mode, It forces on sending ARP Request whenever data is
sent.
0 Reserved Reserved
GAR (Gateway IP Address Register) [R/W] [0x0001 – 0x0004] [0x00]
GAR configures the default gateway address.
Ex) In case of “192.168.0.1”
0x0001
0x0002
192 (0xC0)
168 (0xA8)
0x0003
0 (0x00)
0x0004
1 (0x01)
SUBR (Subnet Mask Register) [R/W] [0x0005 – 0x0008] [0x00]
SUBR configures the subnet mask address.
Ex) In case of “255.255.255.0”
0x0005
0x0006
255 (0xFF)
255 (0xFF)
0x0007
255 (0xFF)
0x0008
0 (0x00)
SHAR (Source Hardware Address Register) [R/W] [0x0009 – 0x000E] [0x00]
SHAR configures the source hardware address.
Ex) In case of “00.08.DC.01.02.03”
0x0009
0x000A
0x000B
0x00
0x08
0xDC
0x000C
0x01
0x000D
0x02
0x000E
0x03
SIPR (Source IP Address Register) [R/W] [0x000F – 0x0012] [0x00]
SIPR configures the source IP address.
Ex) In case of “192.168.0.2”
0x000F
0x0010
192 (0xC0)
168 (0xA8)
0x0011
0 (0x00)
0x0012
2 (0x02)
W5500 Datasheet Version1.0 (August 2013)
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