DM9010
Single Chip Ethernet Controller with General Processor Interface
Preliminary
33
Version: DM9010-DS-P03
Apr. 28, 2005
1.6
MF preamble
suppression
1,RO
MII Frame Preamble Suppression
1 = PHY will accept management frames with preamble
suppressed
0 = PHY will not accept management frames with preamble
suppressed
1.5
Auto-negotiatio
n
Complete
0,RO
Auto-negotiation Complete
1 = Auto-negotiation process completed
0 = Auto-negotiation process not completed
1.4
Remote fault
0, RO/LH Remote Fault
1 = Remote fault condition detected (cleared on read or by a
chip reset). Fault criteria and detection method is DM9010
implementation specific. This bit will set after the RF bit in
the ANLPAR (bit 13, register address 05) is set
0 = No remote fault condition detected
1.3
Auto-negotiatio
n
ability
1,RO/P
Auto Configuration Ability
1 = DM9010 is able to perform auto-negotiation
0 = DM9010 is not able to perform auto-negotiation
1.2
Link status
0,RO/LL Link Status
1 = Valid link is established (for either 10Mbps or 100Mbps
operation)
0 = Link is not established
The link status bit is implemented with a latching function, so
that the occurrence of a link failure condition causes the link
status bit to be cleared and remain cleared until it is read via
the management interface
1.1
Jabber detect
0, RO/LH Jabber Detect
1 = Jabber condition detected
0 = No jabber
This bit is implemented with a latching function. Jabber
conditions will set this bit unless it is cleared by a read to this
register through a management interface or a DM9010 reset.
This bit works only in 10Mbps mode
1.0
Extended
capability
1,RO/P
Extended Capability
1 = Extended register capable
0 = Basic register capable only
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