IP175DLF datasheet(93/145 Pages) ETC

93 / 145 page

IP175DLF

Datasheet

93/145

August 22, 2014

IP175DLF-DS-R10.1

5.3.12

Port Mirror

PHY

MII

ROM

R/W

Description

Default

20[15]

28[7]

R/W PORT_MIRROR_EN

1’b0

20[14:13] 28[6:5] R/W PORT_MIRROR_MODE[1:0]

Select a mirror mode to monitor

2’b00: mirror one port of RX (default)

2’b01: mirror one port of TX

2’b10: mirror source-destination pair

(port of TX and RX must be the different)

2’b11: mirror one port of TX and RX

(port of TX and RX must be the same)

2’b00

20[12:6]

RESERVED

20[5:0]

29[5:0] R/W SEL_RX_PORT_MIRROR[5:0]

Select the source (receive) port to be mirrored

6’b00_0000: reserved (default)

6’b00_0001: port 0

6’b00_0010: port 1

6’b00_0100: port 2

6’b00_1000: port 3

6’b01_0000: port 4

6’b10_0000: port 5 (MII0)

other: reserved

6’h00

21[15]

RESERVED

21[14:12] 28[4:2] R/W SEL_MIRROR_PORT[2:0]

Select a mirror port to monitor any other port

3’b000: port 0

3’b001: port 1

3’b010: port 2

3’b011: port 3

3’b100: port 4

3’b101: port 5 (MII0)(default)

other: reserved

3’b101

21[11:6]

RESERVED

21[5:0]

30[5:0] R/W SEL_TX_PORT_MIRROR[5:0]

Select the destination (transmit) port to be mirrored

6’b00_0000: reserved (default)

6’b00_0001: port 0

6’b00_0010: port 1

6’b00_0100: port 2

6’b00_1000: port 3

6’b01_0000: port 4

6’b10_0000: port 5 (MII0)

other: reserved

6’h00

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