Register 76: Ethernet PHY Auto-Negotiation Advertisement - MR4 (EPHYANA),
address 0x004
This register contains the advertised abilities of this device as they are transmitted to its link partner
during Auto-Negotiation.
Ethernet PHY Auto-Negotiation Advertisement - MR4 (EPHYANA)
Base n/a
Address 0x004
Type RW, reset 0x01E1
0123456789101112131415
SELECT10BT10BTFD100BTX
100BTXFD
100BT4PAUSEASMDUPreservedRFreservedNP
RWRWRWRWRWRWRWRWRWRORWRWRORWRORWType
1000011110000000Reset
DescriptionResetTypeNameBit/Field
Next Page Indication
DescriptionValue
Next Page Transfer not desired.0
Next Page Transfer desired.1
0RWNP15
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
0ROreserved14
Remote Fault
DescriptionValue
No Remote Fault detected.0
Advertises that this device has detected a Remote Fault.1
0RWRF13
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
0ROreserved12
Asymmetric PAUSE support for Full Duplex Links
Encoding and resolution of PAUSE bits is defined in IEEE 802.3 Annex
28B, Tables 28B-2 and 28B-3, respectively. Pause resolution status is
reported in the Pause Status bits [13:12], of the Ethernet PHY Control
(EPHYCTL) register.
DescriptionValue
Asymmetric PAUSE not implemented.0
Asymmetric PAUSE implemented. Advertise that the MAC has
implemented both the optional MAC control sublayer and the
pause function as specified in clause 31 and annex 31B of
IEEE802.3u.
1
0RWASMDUP11
1597June 18, 2014
Texas Instruments-Production Data
Tiva
™
TM4C1294NCPDT Microcontroller