W6100 datasheet(87/149 Pages) WIZNET | Hardwired Dual TCP/IP Stack Controller

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W6100 bảng dữ liệu(PDF) 87 Page - WIZnet Co., Ltd

tên linh kiện	W6100

Giải thích chi tiết về linh kiện	Hardwired Dual TCP/IP Stack Controller

PDF	149 Pages

Scroll/Zoom	100%

nhà sản xuất	WIZNET [WIZnet Co., Ltd]

Trang chủ	https://www.wiznet.io/ko/Product/

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W6100 bảng dữ liệu(HTML) 87 Page - WIZnet Co., Ltd

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W6100 Datasheet HTML 87Page - WIZnet Co., Ltd

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W6100 – Hardwired Dual TCP/IP Stack Controller

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 LISTEN

SOCKET n is listening as ‘TCP SERVER’ by Sn_CR [LISTEN] command. Users can check it by

reading Sn_SR (SOCK_LISTEN).

{

Sn_CR = LISTEN; /* set LISTEN Command */

while(Sn_CR != 0x00); /* wait until LISTEN Command is cleared*/

if(Sn_SR != SOCK_LISTEN) goto OPEN; /* check SOCKET Status */

}

 ESTABLISHED?

‘TCP SERVER’ remains LISTEN status (Sn_SR=SOCK_LISTEN) until receiving SYN Packet. If ‘TCP

SERVER’ receives SYN packet from ‘TCP CLIENT’, it transmits SYN/ACK packet to ‘TCP CLIENT’

and the connection between ‘TCP SERVER’ and ‘TCP CLIENT’ is established if it receives ACK

packet.

When the connection is established, Sn_IR[CON] interrupt occurs and Sn_SR value is changed

to SOCK_ESTABLISHED. And users can read the destination address from the Sn_DIPR or

Sn_DIP6R register.

First method :

{

/* check SOCKET Interrupt */

if(Sn_IR[CON] == ‘1’)

{

Sn_IRCLR[CON] = ‘1’; /* clear SOCKET Interrupt */

goto Received DATA?; /* or goto Send DATA?; */

} // end if

else if(Sn_IR[TIMEOUT] == ‘1’) goto Timeout?;

/* check destination address */

if(Sn_MR[3:0] == TCP6 Mode)

destination_addr[0:15] = Sn_DIP6R;

else if(Sn_MR[3:0] == TCP4 Mode)

destination_addr[0:3] = Sn_DIPR;

}

Second method :

{

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