00h–0Fh 10/100/1000T Register Map Detailed DescriptionBCM5718 Programmer’s Guide
Broadcom®
January 29, 2016 • 5718-PG108-R Page 501
01h: MII_Status_Register
Bit Name RW Default Description
15 100BASE_T4_CAPABLE RO
L
0 1 = 100BASE-T4 capable
0 = not 100BASE-T4 capable
14 100BASE_X_FULL_DUPLEX_
CAPABLE
RO H 1 1 = 100BASE-X full duplex capable
0 = not 100BASE-X full duplex capable
13 100BASE_X_HALF_DUPLEX_
CAPABLE
RO H 1 1 = 100BASE-X half duplex capable
0 = not 100BASE-X half duplex capable
12 10BASE_T_FULL_DPLEX_CAPABL
E
RO H 1 1 = 10BASE-T full duplex capable
0 = not 10BASE-T full duplex capable
11 10BASE_T_HALF_DPLEX_CAPABL
E
RO H 1 1 = 10BASE-T half duplex capable
0 = not 10BASE-T half duplex capable
10 100BASE_T2_FULL_DUPLEX_
CAPABLE
RO
L
0 1 = 100BASE-T2 full duplex capable
0 = not 100BASE-T2 full duplex capable
9 100BASE_T2_HALF_DUPLEX_
CAPABLE
RO
L
0 1 = 100BASE-T2 half duplex capable
0 = not 100BASE-T2 half duplex capable
8 EXTENDED_STATUS RO H 1 1 = extended status information in register 0Fh
0 = no extended status info in register 0Fh
7 UNIDIRECTIONAL_CAPABLE RO 1 1 = capable of Unidirectional Transmit
6 MF_PREAMBLE_SUPPRESSION RO H 1 1 = PHY will accept management frames with
preamble suppressed
0 = PHY will not accept management frames
with preamble suppressed
5 AUTO_NEGOTIATION_COMPLETE RO 0 1 = auto-negotiation complete
0 = auto-negotiation in progress
4 REMOTE_FAULT RO
LH
0 1 = remote fault detected
0 = no remote fault detected
3 AUTO_NEGOTIATION_ABILITY RO H 1 1 = auto-negotiation capable
0 = not auto-negotiation capable
2 LINK_STATUS RO
LL
0 1 = link pass
0 = link fail
1 JABBER_DETECT RO
LH
0 1 = jabber condition detected
0 = no jabber condition detected
0 EXTENDED_CAPABILITY RO H 1 1 = extended register capabilities supported
0 = basic register set capabilities only
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