DP83816-MAAP National Semiconductor, DP83816-MAAP Datasheet - Page 72
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DP83816-MAAP
Manufacturer Part Number
DP83816-MAAP
Description
BOARD EVALUATION DP83816
Manufacturer
National Semiconductor
Datasheet
1.DP83816AVNGNOPB.pdf
(106 pages)
Specifications of DP83816-MAAP
Main Purpose
Interface, Ethernet
Utilized Ic / Part
DP83816
Lead Free Status / RoHS Status
Not applicable / Not applicable
Secondary Attributes
-
Embedded
-
Primary Attributes
-
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4.0 Register Set
Bit
6
5
4
3
2
1
0
Jabber Detect Jabber Detect: This bit only has meaning in 10 Mb/s mode
Duplex Status Duplex:
Remote Fault Remote Fault:
Speed Status Speed10:
Link Status
Bit Name
Auto-Neg.
Complete
Loopback
Status
(Continued)
1 = Remote Fault condition detected (cleared on read of BMSR (address 0x84) register or by reset). Fault
criteria: notification from Link Partner of Remote Fault via Auto-Negotiation
0 = No remote fault condition detected
This bit is a duplicate of the Jabber Detect bit in the BMSR register, except that it is not cleared upon a
read of the PHYSTS register.
1 = Jabber condition detected
0 = No Jabber
Auto-Negotiation Complete:
1 = Auto-Negotiation complete
0 = Auto-Negotiation not complete
Loopback:
1 = Loopback enabled
0 = Normal operation
This bit indicates duplex status and is determined from Auto-Negotiation or Forced Modes.
1 = Full duplex mode
0 = Half duplex mode
Note: This bit is only valid if Auto-Negotiation is enabled and complete and there is a valid link or if Auto-
Negotiation is disabled and there is a valid link.
This bit indicates the status of the speed and is determined from Auto-Negotiation or Forced Modes.
1 = 10 Mb/s mode
0 = 100 Mb/s mode
Note: This bit is only valid if Auto-Negotiation is enabled and complete and there is a valid link or if Auto-
Negotiation is disabled and there is a valid link.
Link Status:
This bit is a duplicate of the Link Status bit in the BMSR register, except that it will not be cleared upon a
read of the PHYSTS register.
1 = Valid link established (for either 10 or 100 Mb/s operation)
0 = Link not established
72
Description
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