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W5300 Datasheet(PDF) 53 Page - WIZnet Co., Ltd |
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W5300 Datasheet(HTML) 53 Page - WIZnet Co., Ltd |
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53 / 128 page  © Copyright 2008-2014 WIZnet Co.,Ltd. All rights reserved. 53 IR(15:8)/IR0(7:0) Bit Symbol Description 15 IPCF IP Conflict It’s set as ‘1’ when IP address is conflicted (when receiving ARP-request packet having same IP address as source IP address of W5300) . When it’s set as ‘1’, there is another device using same IP address on the network to cause communication problem. Therefore, quick step is required to settle this problem. 14 DPUR Destination Port unreachable It’s set as ‘1’ when receiving ICMP(Destination port unreachable) packet. Refer to UIPR and UPORTR. 13 PPPT PPPoE Terminate When the connection with server is closed at the PPPoE mode, it is set as ‘1’. 12 FMTU Fragment MTU When receiving ICMP (Fragment MTU) packet, it’s set as ‘1’ Refer to FMTUR. 11 - Reserved 10 - Reserved 9 - Reserved 8 - Reserved IR(7:0)/IR1(7:0) Bit Symbol Description 7 S7_INT Occurrence of SOCKET7 Interrupt When an interrupt occurs at the SOCKET7, it becomes ‘1’. This interrupt information is applied to S7_IR1. This bit is automatically cleared when S7_IR1 is cleared to 0x00 by host. 6 S6_INT Occurrence of SOCKET6 Interrupt When an interrupt occurs at the SOCKET6, it becomes ‘1’. This interrupt |
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