Marvell 88E3015 Manual page 61

Table 33: PHY Status Register
Register 1
B i ts F i e l d
15 100T4
14 100FDX
13 100HDX
12 10FDX
11 10HPX
10 100T2FDX
9 100T2HDX
8 ExtdStatus
7 Unidirectional
Ability
6 MFPreSup
5 AnegDone
4 RemoteFault
3 AnegAble
Copyright © 2008 Marvell
January 4, 2008, Advance
M o d e H W S W
R s t R s t
RO Always Always
0 0
RO Always Always
1 1
RO Always Always
1 1
RO Always Always
1 1
RO Always Always
1 1
RO Always Always
0 0
RO Always Always
0 0
RO Always Always
0 0
RO Always Always
1 1
RO Always Always
1 1
RO 0x0 0x0
RO, LH 0x0 0x0
RO Always Always
1 1
Document Classification: Proprietary Information
D e s c r i p t io n
100BASE-T4
This protocol is not available.
0 = PHY not able to perform 100BASE-T4
100BASE-T and 100BASE-X full-duplex
1 = PHY able to perform full-duplex
100BASE-T and 100BASE-X half-duplex
1 = PHY able to perform half-duplex
10BASE-T full-duplex
1 = PHY able to perform full-duplex
10BASE-T half-duplex
1 = PHY able to perform half-duplex
100BASE-T2 full-duplex.
This protocol is not available.
0 = PHY not able to perform full-duplex
100BASE-T2 half-duplex
This protocol is not available.
0 = PHY not able to perform half-duplex
Extended Status
0 = No extended status information in Register 15
1 = PHY able to transmit from media independent inter-
face regardless of whether the PHY has determined
that a valid link has been established
MF Preamble Suppression Mode
Must be always 1.
1 = PHY accepts management frames with preamble
suppressed
Auto-Negotiation Complete
0 = Auto-Negotiation process not completed
1 = Auto-Negotiation process completed
Remote Fault Mode
0 = Remote fault condition not detected
1 = Remote fault condition detected
Auto-Negotiation Ability Mode
1 = PHY able to perform Auto-Negotiation
Doc. No. MV-S103657-00, Rev. D
Register Description
Page 61