IP175G datasheet(57/69 Pages) ETC2

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IP175G/GI/GH/GHI

Data Sheet

57 / 69

November 27, 2012

IP175Gx-DS-R01.3

6.23 EEE Timing Parameter

PHY

MII

R/W

Description

Default

0[15:8]

Reserved

0[7:0]

R/W

EEE_EN[7:0]

Energy Efficient Ethernet Enable for each port

bit[7]: Port 4 enable EEE function

Note 1

bit[6]: Port 3 enable EEE function

bit[4]: Port 2 enable EEE function

bit[3]: Port 1 enable EEE function

bit[2]: Port 0 enable EEE function

8’hFF

1[15:14]

R/W

SLEEP_TIME_UNIT

Sleep Time Unit

0x0: 1s

0x1: 1ms

0x2: 1us

2’d2

1[11:0]

R/W

SLEEP_TIME

The time to sleep = SLEEP_TIME_UNIT * SLEEP_TIME

12’d15

4[15:14]

R/W

WAKE_TIME_UNIT_P0

Wake Up Time Unit for Port 0

0x0: 1s

0x1: 1ms

0x2: 1us

2’d2

4[11:0]

R/W

WAKE_TIME_P0

Wake Up Time for Port 0

The time to wake = WAKE_TIME_UNIT_P0 * WAKE_TIME_P0

The time is between when switch de-assert LPI and when it can

send data.

12’d35

5[15:14]

R/W

WAKE_TIME_UNIT_P1

Wake Up Time Unit for Port 1

2’d2

5[11:0]

R/W

WAKE_TIME_P1

Wake Up Time for Port 1

12’d35

6[15:14]

R/W

WAKE_TIME_UNIT_P2

Wake Up Time Unit for Port 2

2’d2

6[11:0]

R/W

WAKE_TIME_P2

Wake Up Time for Port 2

12’d35

8[15:14]

R/W

WAKE_TIME_UNIT_P3

Wake Up Time Unit for Port 3

2’d2

8[11:0]

R/W

WAKE_TIME_P3

Wake Up Time for Port 3

12’d35

9[15:14]

R/W

WAKE_TIME_UNIT_P4

Wake Up Time Unit for Port 4

2’d2

9[11:0]

R/W

WAKE_TIME_P4

Wake Up Time for Port 4

12’d35

Note 1 : Port mapping refer Figure 2 Application Diagram

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