LAN8740A Datasheet, PDF (59/136 Pages) Microchip Technology – Small Footprint MII/RMII 10/100 Energy Efficient Ethernet Transceiver with HP Auto-MDIX and flexPWR® Technology

LAN8740A/LAN8740Ai
4.2 Control and Status Registers
Table 4-2 provides a list of supported registers. Register details, including bit definitions, are provided in the proceeding
subsections.
TABLE 4-2: SMI REGISTER MAP
Register Index
(Decimal)
0
1
2
3
4
5
6
7
8
13
14
16
17
18
24
25
26
27
28
29
30
31
Register Name
Basic Control Register
Basic Status Register
PHY Identifier 1 Register
PHY Identifier 2 Register
Auto Negotiation Advertisement Register
Auto Negotiation Link Partner Ability Register
Auto Negotiation Expansion Register
Auto Negotiation Next Page TX Register
Auto Negotiation Next Page RX Register
MMD Access Control Register
MMD Access Address/Data Register
EDPD NLP/Crossover Time/EEE Configuration Register
Mode Control/Status Register
Special Modes Register
TDR Patterns/Delay Control Register
TDR Control/Status Register
Symbol Error Counter Register
Special Control/Status Indications Register
Cable Length Register
Interrupt Source Flag Register
Interrupt Mask Register
PHY Special Control/Status Register
Group
Basic
Basic
Extended
Extended
Extended
Extended
Extended
Extended
Extended
Extended
Extended
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
 2013-2015 Microchip Technology Inc.
DS00001987A-page 59