Datasheet

LAN8700/LAN8700i DS00002260A-page 28  2007-2016 Microchip Technology Inc.
5.0 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-
TX
Full
Duplex
100Base-
TX
Half
Duplex
10Base-T
Full
Duplex
10Base-T
Half
Duplex
Reserved A/N
Complete
Remote
Fault
A/N
Ability
Link
Status
Jabber
Detect
Extended
Capability
TABLE 5-3: PHY ID 1 REGISTER: REGISTER 2 (EXTENDED)
1514131211109876543210
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 14 13 12 11 10 9 8 7 6 5 43210
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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