SerDes PHY Register DefinitionsBCM5718 Programmer’s Guide
Broadcom®
January 29, 2016 • 5718-PG108-R Page 551
MII Status
Register Description: MII Status Register.
Register Offset: 0x1 at Block 0
Table 127: MII Status
Bits Name RW Description Default
15 100BASE_T4 RO 0 = Incapable.
1 = 100Base-T4 capable.
0
14 100BASEX_FDX RO 0 = Incapable.
1 = 100BASE-X full-duplex capable.
0
13 100BASEX_HDX RO 0 = Incapable.
1 = 100BASE-X half-duplex capable.
0
12 10BASET_FDX RO 0 = Incapable.
1 = 10BASE-T full-duplex capable.
0
11 10BASET_HDX RO 0 = Incapable.
1 = 10BASE-T half-duplex capable.
0
10 10BASET2_FDX RO 0 = Incapable.
1 = 10BASE-T2 full-duplex capable.
0
9 10BASET2_HDX RO 0 = Incapable.
1 = 10BASE-T2 half-duplex capable.
0
8 EXT_STATUS RO 0 = No extended status.
1 = Extended status in register 0x0F.
1
7 RESERVED RO Reserved write 0, ignore read. 0
6 MF_PREAMBLE_SUP
PRESSION
RO 0 = PHY does not accept management frames with
preamble suppressed.
1 = PHY accepts management frames with preamble
suppressed.
1
5 AN_COMPLETE RO Auto-negotiation complete.
0 = Incomplete.
1 = AN complete.
0
4 RF RO Remote fault.
0 = No fault detected.
1 = Remote fault detected.
0
3 AN_ABILITY RO Auto-negotiation ability.
0 = Incapable of AN.
1 = AN capable.
1
2 LINK_STATUS RO Link status.
0 = Link fail.
1 = Good link.
0
1 JABBER_DETECT RO Jabber detect
0 = Not detected
1 = Jabber detected
0