IP178G datasheet(52/76 Pages) ETC2

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IP178G

Data Sheet

52 / 76

December 19, 2012

IP178G-DS-R01.3

6.9

Port mirroring control registers

PHY

MII

R/W

Description

Default

3[15]

R/W

PORT_MIRROR_EN

Port Mirror Enable

1: Enable

0: Disable

1’b0

3[14:13]

R/W

PORT_MIRROR_MODE

Select a mirror mode to monitor

00: mirror RX (default)

01: mirror TX

10: mirror RX and TX, RX and TX path must be at the different port

11: mirror RX or TX, RX or TX path must be at the same port

2’b00

3[12:8]

Reserved

3[7:0]

R/W

SEL_RX_PORT_MIRROR

Select the source (receive) port to be mirrored

Set 1 to select the RX path of port to be monitored. Bit0 is for Port0,

bit7 for Port7, and so on.

8’h01

4[15:13]

R/W

SEL_MIRROR_PORT

Select a mirror port to monitor any other port

000: port 0

001: port 1

010: port 2

011: port 3

100: port 4

101: port 5

110: port 6

111: port 7 (default)

3’b111

4[12:8]

Reserved

4[7:0]

R/W

SEL_TX_PORT_MIRROR

Select the destination (transmit) port to be mirrored

Set 1 to select the TX path of port to be monitored. Bit0 is for Port0,

bit7 for Port7, and so on.

8’h01

6.10 Debug Regiister

PHY

MII

R/W

Description

Default

5[15:8]

R/W

RESERVED

16’h0

5[7:0]

(SC)

CRC_COUNTER

8’h00

6[15:8]

R/W

(SC)

PAUSE_TRIGGER

8’h00

6[7:0]

(SC)

PAUSE_FLAG

8’h0

7[15]

R/W

THR_SETTING

1’b0

7[14]

R/W

(SC)

READ_THR

1’b0

7[13]

R/W

WAIT_BACKOFF

1’b0

7[12:8]

RESERVED

7[7:0]

R/W

UNIT_DEFAULT_THRESHOLD

8’d12

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