LAN8187_06 Datasheet, PDF (35/72 Pages) SMSC Corporation – ±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWRTM

Chapter 5 Registers
Table 5.1 Control Register: Register 0 (Basic)
15
14
13
12
11
10
9
8
7
6543210
Reset Loopback Speed Select A/N Enable Power Down Isolate Restart A/N Duplex Mode Collision Test
Reserved
15
14
13
100Base- 100Base-TX 100Base-TX
T4
Full Duplex Half Duplex
Table 5.2 Status Register: Register 1 (Basic)
12
11
10 9 8 7 6
5
10Base-T
10Base-T
Full Duplex Half Duplex
Reserved
A/N
Complete
4
Remote
Fault
3
A/N
Ability
2
Link
Status
1
Jabber
Detect
0
Extended
Capability
Table 5.3 PHY ID 1 Register: Register 2 (Extended)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
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
PHY ID Number (Bits 19-24 of the Organizationally Unique
Identifier - OUI)
Manufacturer Model Number
3
2
1
0
Manufacturer Revision Number
15
Next
Page
14
Reserved
13
Remote
Fault
Table 5.5 Auto-Negotiation Advertisement: Register 4 (Extended)
12
Reserved
11
10
Pause
Operation
9
100Base-T4
8
100Base-TX
Full Duplex
7
100Base-
TX
6
10Base-T
Full
Duplex
5
10Base-T
43210
IEEE 802.3
Selector Field