Chapter 5 Registers
Table 5.1 Control Register: Register 0 (Basic)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reset
Loopback
Speed Select
A/N Enable
Power Down
Isolate
Restart A/N
Duplex Mode Collision Test
Reserved
Table 5.2 Status Register: Register 1 (Basic)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
100Base-
T4
100Base-
100Base-
TX
10Base-T
Full
Duplex
10Base-T
Half
Duplex
Reserved
A/N
Complete
Remote
Fault
A/N
Ability
Link
Status
Jabber
Detect
Extended
Capability
TX
Full
Half
Duplex
Duplex
Table 5.3 PHY ID 1 Register: Register 2 (Extended)
10
15
14
13
12
11
9
8
7
6
5
4
3
2
1
0
0
PHY ID Number (Bits 3-18 of the Organizationally Unique Identifier - OUI)
Table 5.4 PHY ID 2 Register: Register 3 (Extended)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PHY ID Number (Bits 19-24 of the Organizationally Unique
Identifier - OUI)
Manufacturer Model Number
Manufacturer Revision Number
Table 5.5 Auto-Negotiation Advertisement: Register 4 (Extended)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Next
Page
Reserved
Remote
Fault
Reserved
Pause
Operation
100Base-
T4
100Base-
TX
Full Duplex
100Base-
TX
10Base-T
Full Duplex
10Base-T
IEEE 802.3 Selector
Field
SMSC [ SMSC CORPORATION ]
