IP178G datasheet(62/76 Pages) ETC2

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IP178G

Data Sheet

62 / 76

December 19, 2012

IP178G-DS-R01.3

6.25 Switch control registers (V)

PHY

MII

R/W

Description

Default

[15:14]: Reserved

[13]: DIFFSERV_EN

[12]: BF_FFFF_ONLY

1: broadcast DA=FFFFFFFF

0: broadcast DA=FFFFFFFF and multicast frame

30[15:8]

R/W

[11:8]: reserved

8’h0d

30[7]

R/W

FWD_MAC_CTL

Forward MAC control frame, the MAC control frame is identified by

Ether/Type field (0x8808).

1: forward (default),

0: discard.

1’b1

30[6:2]

Reserved

30[1:0]

R/W

Drop extra long packet

Max forwarded packet length

2’b00: 1536 bytes (default)

2’b01: 1552 bytes

2’b10: 1518 bytes

2’b11: resreved

2’b00

6.26 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 7 enable EEE function

bit[6]: Port 6 enable EEE function

bit[5]: Port 5 enable EEE function

bit[4]: Port 4 enable EEE function

bit[3]: Port 3 enable EEE function

bit[2]: Port 2 enable EEE function

bit[1]: Port 1 enable EEE function

bit[0]: 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

2[15:14] R/W

WAKE_TIME_UNIT_P0

Wake Up Time Unit for Port 0

0x0: 1s

0x1: 1ms

0x2: 1us

2’d2

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