LAN8700 Datasheet, PDF (28/74 Pages) SMSC Corporation – ±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWR TM in a Small Footprint

5.0 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
TABLE 5-2: STATUS REGISTER: REGISTER 1 (BASIC)
15
14
13
12
11
10
100Base-
T4
100Base-
TX
Full
Duplex
100Base-
TX
Half
Duplex
10Base-T
Full
Duplex
10Base-T
Half
Duplex
9
8
7
Reserved
6
5
4
3
2
1
0
A/N
Remote A/N
Link Jabber Extended
Complete Fault Ability Status Detect 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
3
2
1
0
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
Next
Page
14
Reserved
13
Remote
Fault
12
Reserved
11
10
Pause
Operation
9
100Base-
T4
8
100Base-
TX
Full Duplex
7
100Base-
TX
6
5
10Base-T 10Base-T
Full Duplex
43210
IEEE 802.3 Selector
Field