IP175G datasheet(46/69 Pages) ETC2

номер детали	IP175G

подробное описание детали	5 Port 10/100 Ethernet Integrated Switch

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IP175G/GI/GH/GHI

Data Sheet

46 / 69

November 27, 2012

IP175Gx-DS-R01.3

6.9

Port mirroring control registers

Table 15 Port mirroring control registers table

PHY

MII

R/W

Description

Default

3[15]

R/W

PORT_MIRROR_EN

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

11: mirror RX or TX

2’b00

3[12:8]

Reserved

3[7:0]

R/W

SEL_RX_PORT_MIRROR

Select the source (receive) port to be mirrored

0000_0010: port 0

Note 1

0000_0011: port 1

0000_0100: port 2

0000_0110: port 3

0001_0111: port 4

8’h01

4[15:13]

R/W

SEL_MIRROR_PORT

Select a mirror port to monitor any other port

010: port 0

Note 1

011: port 1

100: port 2

110: port 3

111: port 4 (default)

3’b111

4[12:8]

Reserved

4[7:0]

R/W

SEL_TX_PORT_MIRROR

Select the destination (transmit) port to be mirrored

0000_0010: port 0

Note 1

0000_0011: port 1

0000_0100: port 2

0000_0110: port 3

0001_0111: port 4

8’h01

Note 1 : Port mapping refer Figure 2 Application Diagram

6.10 Debug Register

Table 16 Debug Register table

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

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