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EFE configuration
198
NS7520 Hardware Reference, Rev. D 03/2006
SMII Status register
Address: FF80 0438
Register bit assignment
Station Address registers
The station address is used for address comparison of inbound receive packets. The
48-bit address value is held in three registers, each containing 16 bits.
Bits Access Mnemonic Reset Description
D31:05 N/A Reserved N/A N/A
D04 R CLASH N/A MAC-to-MAC with PHY
A 1 indicates that MAC-to-MAC mode is selected,
but a PHY is detected.
D03 R JABBER N/A Jabber condition present
A 1 indicates that a Jabber condition is present.
D02 R LINK N/A Link OK
A 1 indicates LINK OK.
D01 R DUPLEX N/A Full-duplex operation
1 Indicates full-duplex operation
0 Indicates half-duplex operation
D00 R SPEED N/A 100 Mbps
1 Indicates 100 Mbps
0 Indicates 10 Mbps
Table 76: SMII Status register bit definition
13121110987654321015 14
31 29 28 27 26 25 24 23 22 21 20 19 18 17 1630
Reserved
Reserved
LINK
DUP-
LEX
SPEED
CLASH
JAB-
BER