Intel Gigabit Ethernet Controllers Benutzerhandbuch

218

The PHY registers are accessed indirectly through the MDI/O interface described in 

Diagnostic

03418h

TDFT

Transmit Data FIFO Tail

R/W

Diagnostic

03420h

TDFHS

Transmit Data FIFO Head Saved Register

R/W

Diagnostic

03428h

TDFTS

Transmit Data FIFO Tail Saved Register

R/W

Diagnostic

03430h

TDFPC

Transmit Data FIFO Packet Count

R/W

Diagnostic

10000h-
1FFFCh

PBM

Packet Buffer Memory (n)

R/W

PHY

00d

PCTRL

PHY Control Register

R/W

PHY

01d

PSTATUS

PHY Status Register

R

PHY

02d

PID

PHY Identifier (LSB)

R

PHY

03d

EPID

Extended PHY Identifier (MSB)

R

PHY

04d

ANA

Auto-Negotiation Advertisement Register

R/W

PHY

05d

LPA

Link Partner Ability Register (Base Page)

R

PHY

06d

ANE

Auto-Negotiation Expansion Register

R

PHY

07d

NPT

Next Page Transmit Register

R/W

PHY

08d

LPN

Link Partner Next Page Register

R

PHY

09d

GCON

1000BASE-T Control Register

R/W

PHY

10d

GSTATUS

1000BASE-T Status Register

R

PHY

15d

EPSTATUS

Extended PHY Status Register

R

PHY

16d

PSCON

PHY Specific Control Register

R/W

PHY

17d

PSSTAT

PHY Specific Status Register

R

PHY

18d

PINTE

PHY Interrupt Enable

R/W

PHY

19d

PINTS

PHY Interrupt Status

R

PHY

20d

EPSCON1
EPSCON (82544GC/
EI)

Extended PHY Specific Control 1

R/W

PHY

21d

PREC

PHY Receive Error Counter

R

PHY

23d

1

PGSTAT

PHY Global Status
SPEED_TEN_LED and LINK_ACT_LED

2

R

PHY

24d

1

PLED

PHY LED Control
SPEED_100_LED and 
SPEED_1000_LED

2

R/W

PHY

26d

EPSCON2

Extended PHY Specific Status (not 
applicable to the 82540EP/EM or 82544GC/
EI)

R/W

PHY

27d

3

EPSSTAT

Extended PHY Specific Status

R/W

PHY

29d

R30PS

Register 30 Page Select (not applicable to 
the 82544GC/EI, 82541xx, or 82547GI/EI)

W

PHY

30d

R30AW

Register 30 Access Window (not applicable 
to the 82544GC/EI, 82541xx, or 82547GI/
EI)

R/W

PHY

31d

PPAGE

Page Select (82541xx and 82547GI/EI 
only)

R/W

1.

Applicable to the 82544GC/EI, 82541xx, and 82547GI/EI only.

2.

Applicable to the 82541xx, and 82547GI/EI only.

3.

Applicable to the 82544GC/EI only.