W5100S datasheet(45/110 Pages) WIZNET

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W5100S Datasheet Version1.2.5

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Figure 4 State Diagram

3.2.5 Sn_PORTR (SOCKET n Source Port Register)

[R=W] [0x0004+0x0100*(n+4), 0x0005+0x0100*(n+4)] [0x0000]

Sn_PORTR configures Source Port Number of SOCKET n.

Ex) S0_PORTR = 5000 (0x1388)

S0_PORTR0(0x0404)

S0_PORTR1(0x0405)

0x013

0x88

3.2.6 Sn_DHAR (SOCKET n Destination Hardware Address

[RW] [0x0006+0x0100*(n+4), 0x0007+0x0100*(n+4), 0x0008+0x0100*(n+4),

0x0009+0x0100*(n+4), 0x000A+0x0100*(n+4), 0x000B+0x0100*(n+4)]

[0x000000000000]

Peer MAC Address in Peer Packet is written on Sn_DHAR. On TCP Mode, Sn_DHAR is valid after

CONNECT Command. On UDP and IPRAW Mode, Sn_DHAR is valid after SEND Command.

If HOST uses SEND_MAC Command, Sn_DHAR must be set with Peer MAC Address before

Command. On UDP Multicast Mode, Sn_DHAR must be configured with Multicast Group MAC

SOCK_LISTEN

SOCK_ESTABLISHED

SOCK_UDP

(when Sn_MR[3:0]='UDP')

SOCK_INIT

(when Sn_MR[3:0]='TCP')

SOCK_MACRAW

(when Sn_MR[3:0]='MACRAW')

SOCK_CLOSED

(START/END)

SOCK_CLOSE_WAIT

SOCK_IPRAW

(when Sn_MR[3:0]='IPRAW')

OPEN

OPEN CLOSE

OPEN

CONNECT

RECV SYN

OPEN CLOSE

LISTEN

RECV FIN

DISCON

SOCK_SYNSENT

RECV SYN/ACK

SEND ACK

SOCK_SYNRECV

SEND SYN/ACK

RECV ACK

SOCK_FIN_WAIT

SOCK_TIME_WAIT

RECV FIN

Timeout

SOCK_LAST_ACK

RECV ACK

Timeout

SNED/SEND_MAC/RECV

SEND/RECV

SEND/SEND_MAC/RECV

SEND/RECV

: Status

: Command

: SEND/RECV packet

or Timeout

SEND/RECV

W5100S Datasheet(PDF) 45 Page - WIZnet Co., Ltd

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