IP175G datasheet(49/69 Pages) ETC2

49 / 69 page

IP175G/GI/GH/GHI

Data Sheet

49 / 69

November 27, 2012

IP175Gx-DS-R01.3

6.14 Test mode

PHY

MII

R/W

Description

Default

19[15]

R/W FAST_MODE

1’b0

19[11:2]

R/W TEST_LATIN (only for PHY test mode)

10’h000

19[1:0]

R/W

TEST_SEL

0x0: normal mode

0x1: switch test mode

0x2: phy test mode

2’b00

6.15 CoS control registers – port 0

PHY

MII

R/W

Description

Default

2[10]

R/W

Port 0 Class of service enable

1: enable, 0: disabled (default)

Packets with high priority tag from port 0 are handled as high priority

packets.

1’b0

2[9]

R/W

Port 0 set to be high priority port

1: enable, 0: disabled (default)

Packets received from port 0 are handled as high priority packets.

1’b0

6.16 CoS control registers – port 1

PHY

MII

R/W

Description

Default

3[10]

R/W

Port 1 Class of service enable

1: enable, 0: disabled (default)

Packets with high priority tag from port 1 are handled as high priority

packets.

1’b0

3[9]

R/W

Port 1 set to be high priority port

1: enable, 0: disabled (default)

Packets received from port 1 are handled as high priority packets.

1’b0

6.17 CoS control registers – port 2

PHY

MII

R/W

Description

Default

4[10]

R/W

Port 2 Class of service enable

1: enable, 0: disabled (default)

Packets with high priority tag from port 2 are handled as high priority

packets.

1’b0

4[9]

R/W

Port 2 set to be high priority port

1: enable, 0: disabled (default)

Packets received from port 2 are handled as high priority packets.

1’b0

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