W7100A-64QFN WIZnet, W7100A-64QFN Datasheet - Page 115

• Manufacturer Part Number: W7100A-64QFN
• Description: 8-bit Microcontrollers - MCU 8051 CORE+HARDWIRED TCP/IP+MAC+PHY
• Manufacturer: WIZnet

Specifications of W7100A-64QFN

• Rohs: yes
• Interface Type: UART

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}
Run as “TCP SERVER” by LISTEN command.
{
}
changed to SOCK_SYNRECV and transmits the SYN/ACK packet. After that, the SOCKET n
makes a connection. After it makes the connection of SOCKET n, it enables the data
communication. There are two methods to confirm the connection of SOCKET n.
First method :
{
}
Second method :
{
}

First method :
{


When the status of Sn_SR is SOCK_LISTEN, if it receives a SYN packet, the status of Sn_SR is
Confirm the reception of the TCP data.
Sn_PORT = source_port;
Sn_CR = OPEN;
/* wait until Sn_SR is changed to SOCK_INIT */
if (Sn_SR != SOCK_INIT) Sn_CR = CLOSE; goto START;
/* listen SOCKET */
Sn_CR = LISTEN;
/* wait until Sn_SR is changed to SOCK_LISTEN */
if (Sn_SR != SOCK_LISTEN) Sn_CR = CLOSE; goto START;
if (Sn_IR(CON) == ‘1’) Sn_IR(CON) = ‘1’; goto ESTABLISHED stage;
/* In this case, if the interrupt of SOCKET n is activated, interrupt occurs. Refer to IR, IMR
if (Sn_SR == SOCK_ESTABLISHED) goto ESTABLISHED stage;
if (Sn_IR(RECV) == ‘1’) Sn_IR(RECV) = ‘1’; goto Receiving Process stage;
LISTEN
ESTABLISHMENT
ESTABLISHMENT : Check received data
Sn_IMR and Sn_IR. */
// sets source port number
// sets OPEN command
Ver. 1.12
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