W3150A+ WIZnet, W3150A+ Datasheet - Page 46
W3150A+
Manufacturer Part Number
W3150A+
Description
Ethernet ICs ENET CONTR TCP/IP+MAC
Manufacturer
WIZnet
Datasheet
1.W3150A.pdf
(67 pages)
Specifications of W3150A+
Rohs
yes
Product
Ethernet Transceivers
Supply Voltage - Max
3.6 V
Supply Voltage - Min
3 V
Maximum Operating Temperature
+ 80 C
Package / Case
LQFP-64
Ethernet Connection Type
10Base-T, 100Base-TX
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
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5.2.2.
UDP provides unreliable and connectionless datagram transmission structure. It processes data without
connection establishment. Therefore, UDP message can be lost, overlapped or reversed. As packets can
arrive faster, recipient can not process all of them. In this case, user application should guarantee the
reliability of data transmission. UDP transmission can be processed as below,
{
START:
}
/* sets UDP mode */
Sn_MR = 0x02;
/* sets source port number */
Sn_PORT = source_port;
/* sets OPEN command */
Sn_CR = OPEN;
/* Check if the value of Socket n Status Register(Sn_SR) is SOCK_UDP. */
if (Sn_SR != SOCK_UDP) Sn_CR = CLOSE; goto START;
/* ※ The value of Source Port can be appropriately delivered when remote HOST knows it. */
Initialize the socket n as UDP.
Socket Initialization
UDP
© Copyright 2006 WIZnet Co., Inc. All rights reserved.
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