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Multicast
0 : using IGMP version 2
1 : using IGMP version 1
This bit is applied only during UDP mode(P[3:0] = '0010') and MULTI = '1'. It configures the
version for IGMP messages (Join/Leave/Report).
Multicast Blocking in MACRAW mode
0 : disable Multicast Blocking
1 : enable Multicast Blocking
This bit is applied only when MACRAW mode(P[3:0] = '0100'). It blocks to receive the packet
with multicast MAC address.
[6] Broadcast Blocking in MACRAW and UDP mode
0 : disable Broadcast Blocking
1 : enable Broadcast Blocking
This bit blocks to receive broadcasting packet during UDP mode(P[3:0] = '0010'). In addition,
This bit does when MACRAW mode(P[3:0] = '0100') Data packet is received from a peer. When
this bit is '0', It sends the ACK packet after waiting for the timeout time configured by RTR.
[7] Multicasting and MAC Filter Enable mode
Multicasting in UDP mode
0 : disable Multicasting
1 : enable Multicasting
This bit is applied only during UDP mode(P[3:0] = '0010').To use multicasting, Sn_DIPR &
Sn_DPORT should be respectively configured with the multicast group IP address & port number
before Socket n is opened by OPEN command of Sn_CR
MAC Filter Enable in MACRAW mode
0 : disable MAC Filtering
1 : enable MAC Filtering
This bit is applied only during MACRAW mode(P[3:0] = '0100').When set as '1', WZTOE can only
receive broadcasting packet or packet sent to itself. When this bit is '0', WZTOE can receive
all packets on Ethernet. If user wants to implement Hybrid TCP/IP stack, it is recommended
that this bit is set as '1' for reducing host overhead to process the all received packets.
W7500x Reference Manual Version1.1.0
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