IP175DLF datasheet(101/145 Pages) ETC

101 / 145 page

IP175DLF

Datasheet

101/145

August 22, 2014

IP175DLF-DS-R10.1

5.4.5

MII0, MII1 and MII2 Control Register 2

PHY

MII

ROM

R/W

Description

Default

4[2]

45[3]

R/W MII12_CHK_CRC

Examine CRC filed of every incoming frame of MII 1 or MII 2

port.

1’b1

4[1]

45[2]

R/W MII0_CHK_CRC

Examine CRC filed of every incoming frame of MII 0 port.

1’b1

5.5

IGMP Control Register

5.5.1

Base Control Register

PHY

MII

ROM

R/W

Description

Default

5[15:11]

RESERVED

5[10]

50[6]

R/W FAST_LEAVE

1’b1

5[9]

45[1]

R/W MG_INCLUDE_RP

Multicast group include router port

0:Disabled

1:Enabled

1’b0

5[8]

45[0]

R/W FLOOD_UNIGMP

Flood Unknown IGMP

Unknown IGMP is not one of following:

1. General Query

2. Group-Specific Query

3. IGMP Report

4. IGMP Leave

1’b0

5[7]

46[7]

R/W FLOOD_IPM_CTRL

Flood IP Multicast Control Packet

0:Disabled

1:Enabled

Note – IP multicast control packet: DMAC=01-00-5e-xx-xx-xx,

DIP= 224.0.0.x and non-IGMP

1’b0

5[6:5]

46[6:5] R/W UNIPM_MODE[1:0]

Unknown IP Multicast Data Mode

2’b00 : discard

2’b01 : forward to CPU

2’b10 : flood packet

2’b11 : forward to router port

Note – IP multicast data packet: DMAC=01-00-5e-xx-xx-xx and

DIP=outside 224.0.0.x

2’b11

5[4]

46[4]

R/W DISCARD_LEAVE

Discard IGMP leave message

0:Disabled

1:Enabled

1’b0

5[3]

46[3]

R/W FLOOD_RPT

Flood report message to other ports

0:Disabled

1:Enabled

1’b0

IP175DLF Datasheet(PDF) 101 Page - List of Unclassifed Manufacturers

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