W6100 datasheet(33/149 Pages) WIZNET

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W6100 – Hardwired Dual TCP/IP Stack Controller

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When SLIR [RS] = '1' or SLIR [RA] = '1', a prefix information of RA Packet is stored to corresponding

registers as follows and can be used for IPv6 Auto-configuration.

PLR (Prefix Length Register)

PFR (Prefix Flag Register)

VLTR (RA Valid Life Time Register)

PLTR (RA Preferred Life Time Register)

PAR (Prefix Address Register)

* CAUTION

: Only when the first option of received RA message is source link-layer

address(0x01) and the second option is prefix information Option (0x03), the above registers

are correct set. Otherwise, it can receive the RA message using the IPRAW6 Mode SOCKET

and process the prefix information.

4.1.11 IMR (Interrupt Mask Register)

[R=W] [0x2104] [0x00]

IMR is for masking the corresponding interrupts to be enabled or disabled.

WOL

UNR6

IPCONF

UNR4

PTERM

R=W

Bit

Symbol

Description

WOL

WOL(Wake On LAN) Magic Packet Interrupt Mask

0 : Disable WOL Interrupt

1 : Enable WOL Interrupt

[6:5]

Reserved

UNR6

Destination Port Unreachable IPv6 Interrupt Mask

0 : Disable UNREACH6 Interrupt

1 : Enable UNREACH6 Interrupt

Reserved

IPCONF

IPv4 Conflict Interrupt Mask

1 : Enable CONFLICT Interrupt

0 : Disable CONFLICT Interrupt

UNR4

Destination Port Unreachable Interrupt Mask

1 : Enable UNREACH Interrupt

0 : Disable UNREACH Interrupt

PTERM

PPPoE Terminated Interrupt Mask

1 : Enable PPPTERM Interrupt

0 : Disable PPPTERM Interrupt

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