W5100S datasheet(72/110 Pages) WIZNET

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W5100S Datasheet(PDF) 72 Page - WIZnet Co., Ltd

Part #	W5100S

Description	embedded Ethernet controller

PDF	110 Pages

Scroll/Zoom	100%

Manufacturer	WIZNET [WIZnet Co., Ltd]

Direct Link	https://www.wiznet.io/ko/Product/

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72 / 110 page

72 / 110

W5100S Datasheet Version1.2.5

Sn_DIPR[0:3] = {0xE0, 0x00, 0x00, 0x64};

/* set Multicast-Group PORT Number, 3000(0x0BB8) */

Sn_DPORTR[0:1] = {0x0B, 0xB8};

/* set UDP Multicast */

Sn_MR[MULTI] = ‘1’;

/* set IGMP Version */

Sn_MR[MC] = ‘1’; /* Sn_MR[MC] = ‘1’ : IGMPv1 , Sn_MR[MC] = ‘0’ : IGMPv2 */

/* set SOCKET Option such as Unicast Block and Broadcast Block.

refer to 3.2.23 Sn_MR2 (SOCKET n Mode register 2) */

// Sn_MR2[UNIB] = ‘1’;

// Sn_MR2[BRDB] = ‘1’;

/* set UDP Mode */

Sn_MR[3:0] = 4’b0010;

/* set Source PORT Number, 3000(0x0BB8) */

Sn_PORTR[0:1] = {0x0B, 0xB8};

/* set OPEN Command */

Sn_CR = OPEN;

/* check SOCKET for UDP Mode */

if(Sn_SR != SOCK_UDP) goto START;

}

 Send DATA? / Sending Process

Refer to 4.3.1TCP Server : Sending Process

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