lan9221 Standard Microsystems Corp., lan9221 Datasheet - Page 118

• Manufacturer Part Number: lan9221
• Description: High-performance 16-bit Non-pci 10/100 Ethernet Controller With Variable Voltage I/o
• Manufacturer: Standard Microsystems Corp.

Revision 2.6 (12-04-08)
5.5
(IN DECIMAL)
INDEX
17
18
27
29
30
31
0
1
2
3
4
5
6
The PHY registers are not memory mapped. These registers are accessed indirectly through the MAC
via the MII_ACC and MII_DATA registers. An index must be used to access individual PHY registers.
PHY Register Indexes are shown in
Note: The NASR (Not Affected by Software Reset) designation is only applicable when bit 15 of
PHY Registers
the PHY Basic Control Register (Reset) is set.
Table 5.8 LAN9221/LAN9221i PHY Control and Status Register
REGISTER NAME
Basic Control Register
Basic Status Register
PHY Identifier 1
PHY Identifier 2
Auto-Negotiation Advertisement Register
Auto-Negotiation Link Partner Ability Register
Auto-Negotiation Expansion Register
Mode Control/Status Register
Special Modes Register
Special Control/Status Indications
Interrupt Source Register
Interrupt Mask Register
PHY Special Control/Status Register
PHY CONTROL AND STATUS REGISTERS
DATASHEET
Table 5.8, "LAN9221/LAN9221i PHY Control and Status
118
High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O
SMSC LAN9221/LAN9221i
Register".
Datasheet