Data Sheet

iEthernet

W5200

Multicast

0 : using IGMP version 2

1 : using IGMP version 1

This bit is valid when MULTI bit is enabled and UDP mode is used (P3-

P0 : “0010”). In addition, multicast can be used to send out the version

number in IGMP messages such as Join/Leave/Report to multicast-group

4 Reserved Reserved

3 P3

Protocol

Sets up corresponding socket as TCP, UDP, or IP RAW mode

Meaning

0 0 0 0 Closed

0 0 0 1 TCP

0 0 1 0 UDP

0 0 1 1 IPRAW

* In case of socket 0, MACRAW and PPPoE mode exist.

Meaning

0 1 0 0 MACRAW

0 1 0 1 PPPoE

S0_MR_MACRAW and S0_MR_PPPoE are valid only in SOCKET 0.

S0_MR_PPPoE is temporarily used for PPPoE server

connection/Termination. After connection is established, it can be

utilized as another protocol.

2 P2

1 P1

0 P0