W5100S datasheet(46/110 Pages) WIZNET

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W5100S Datasheet Version1.2.5

Address. (Ref 4.4.3 UDP Multicast)

Ex) S0_DHAR = “11:22:33:AA:BB:CC”

S0_DHAR0(0x0406)

S0_DHAR1(0x0407)

S0_DHAR2(0x0408)

0x11

0x22

0x33

S0_DHAR3(0x0409)

S0_DHAR4(0x040A)

S0_DHAR5(0x040B)

0xAA

0xBB

0xCC

3.2.7 Sn_DIPR (SOCKET n Destination IP Address Register)

[RW] [0x000C+0x0100*(n+4), 0x000D+0x0100*(n+4), 0x000E+0x0100*(n+4),

0x000F+0x0100*(n+4)] [0x00000000]

Sn_DIPR is set with Peer IP Address. On TCP Mode, Sn_DIPR must be set with Peer IP Address

before Connection, or indicates IP Address of connected Peer. On UDP and IPRAW Mode,

Sn_DIPR must be set with Peer IP Address before sending Data.

On UDP Multicast Mode, Sn_DIPR must be configured with Multicast Group IP Address. (Ref 4.4.3

UDP Multicast)

On UDP, UDP Multicast and IPRAW Mode, Peer IP Address is stored with Data in SOCKET n RX

Buffer.

Ex) S0_DIPR = “192.168.0.11”

S0_DIPR0(0x040C)

S0_DIPR1(0x040D)

S0_DIPR2(0x040E)

S0_DIPR3(0x040F)

192 (0xC0)

168 (0xA8)

0 (0x00)

11 (0x0B)

3.2.8 Sn_DPORTR (SOCKET n Destination Port Register)

[R=W] [0x0010+0x0100*(n+4), 0x0011+0x0100*(n+4)] [0x0000]

Sn_DPORTR is set with Peer Port Number. On TCP Mode, Sn_DPORTR must be set with Peer Port

Number before Connection, or indicates Port Number of connected Peer. On UDP and IPRAW

Mode, Sn_DPORTR must be set with Peer Port Number before sending Data.

On UDP Multicast Mode, Sn_DPORTR must be configured with Multicast Group Port Number. (Ref

4.4.3 UDP Multicast)

On UDP, UDP Multicast and IPRAW Mode, Peer Port Number is stored with Data in SOCKET n RX

Buffer.

Ex) S0_DPORTR = 5000 (0x1388),

S0_DPORTR0(0x0410)

S0_DPORTR1(0x0411)

0x13

0x88

3.2.9 Sn_MSS (SOCKET n Maximum Segment Size Register)

[RW] [0x0012+0x0100*(n+4), 0x0013+0x0100*(n+4] [0x0000]

W5100S Datasheet(PDF) 46 Page - WIZnet Co., Ltd

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