W5100 WIZnet, W5100 Datasheet - Page 26

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W5100

Manufacturer Part Number
W5100
Description
Ethernet ICs 3-IN-1 ENET CONTR TCP/IP+MAC+PHY
Manufacturer
WIZnet
Datasheet

Specifications of W5100

Rohs
yes
Product
Ethernet Controllers
Data Rate
10 Mb/s, 100 Mb/s
Supply Voltage - Max
3.6 V
Supply Voltage - Min
3 V
Maximum Operating Temperature
+ 80 C
Package / Case
LQFP-80
Ethernet Connection Type
10Base-T, 100Base-TX
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Standard Supported
802.3, 802.3u

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© Copyright 2009-2010 WIZnet Co., Inc. All rights reserved.
4.2 Socket Registers
Sn
This register sets up socket option or protocol type for each socket.
1
2
value]
Bit
n is socket number (0, 1, 2, 3).
[Read/Write] [address of socket 0, address of socket 1, address of socket 2, address of socket 3] [Reset
1
7
6
5
4
3
2
MULTI
_MR (Socket n Mode Register) [R/W] [0x0400, 0x0500, 0x0600, 0x0700] [0x00]
7
Reserved
Reserved
Symbol
ND/MC
MULTI
P3
P2
6
Multicasting
0 : disable Multicasting
1 : enable Multicasting
It is applied only in case of UDP .
For using multicasting, write multicast group address to Socket n Destination
IP and multicast group port number to Socket n Destination Port Register,
before OPEN command.
Reserved
Use No Delayed ACK
0 : Disable No Delayed ACK option
1 : Enable No Delayed ACK option,
It is applied only in case of TCP . If this bit is set as „1‟, ACK packet is
transmitted whenever receiving data packet from the peer. If this bit is
cleared to „0‟, ACK packet is transmitted according to internal Timeout
mechanism.
Multicast
0 : using IGMP version 2
1 : using IGMP version 1
It is applied only in case of MULTI bit is „1‟
Reserved
Protocol
Sets up corresponding socket as TCP , UDP , or IP RAW mode
P3
0
0
ND / MC
5
P2
0
0
P1
0
0
4
P0
0
1
P3
Closed
TCP
3
Description
Meaning
P2
2
P1
1
2
P0
0
26

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