Register 73: Ethernet PHY Basic Mode Status - MR1 (EPHYBMSR), address
0x001
This register reflects the basic mode features that are available in the EPHY.
Ethernet PHY Basic Mode Status - MR1 (EPHYBMSR)
Base n/a
Address 0x001
Type RO, reset 0x7849
0123456789101112131415
EXTENJABBER
LINKSTAT
ANENRFAULTANC
MFPRESUP
reserved10BTHD10BTFD
100BTXHD100BTXFD
reserved
ROROROROROROROROROROROROROROROROType
1001001000011110Reset
DescriptionResetTypeNameBit/Field
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.
0ROreserved15
100Base-TX Full Duplex Capable
DescriptionValue
Device does not support 100Base-TX in full duplex mode.0
Device supports 100Base-TX in full duplex mode.1
1RO100BTXFD14
100Base-TX Half Duplex Capable
DescriptionValue
The device does not support 100Base-TX in half duplex mode.0
The device supports 100Base-TX in half duplex mode.1
1RO100BTXHD13
10 Base-T Full Duplex Capable
DescriptionValue
The device does not support 10Base-T in full duplex mode.0
Device able to perform 10Base-T in full duplex mode.1
1RO10BTFD12
10 Base-T Half Duplex Capable
DescriptionValue
Device not able to perform 10Base-T in half duplex mode.0
Device able to perform 10Base-T in half duplex mode.1
1RO10BTHD11
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.
0ROreserved10:7
June 18, 20141592
Texas Instruments-Production Data
Ethernet Controller
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