lan9221 Standard Microsystems Corp., lan9221 Datasheet - Page 123

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

High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O
Datasheet
SMSC LAN9221/LAN9221i
5.5.7
5.5.8
15-14
BITS
BITS
15:5
12-2
13
4
3
2
1
0
1
0
Reserved
Parallel Detection Fault.
1 = fault detected by parallel detection logic
0 = no fault detected by parallel detection logic
Link Partner Next Page Able.
1 = link partner has next page ability
0 = link partner does not have next page ability
Next Page Able.
1 = local device has next page ability
0 = local device does not have next page ability
Page Received.
1 = new page received
0 = new page not yet received
Link Partner Auto-Negotiation Able.
1 = link partner has auto-negotiation ability
0 = link partner does not have auto-negotiation ability
Reserved. Write as 0; ignore on read.
EDPWRDOWN. Enable the Energy Detect Power-Down mode:
0=Energy Detect Power-Down is disabled
1=Energy Detect Power-Down is enabled
Reserved. Write as 0, ignore on read
ENERGYON. Indicates whether energy is detected. This bit goes to a “0” if
no valid energy is detected within 256ms. Reset to “1” by hardware reset,
unaffected by SW reset.
Reserved. Write as “0”. Ignore on read.
Auto-negotiation Expansion
Mode Control/Status
Note 5.3
Index (In Decimal):
Index (In Decimal):
The default value of this bit will vary dependant on the current link state of the line.
DESCRIPTION
DESCRIPTION
6
17
DATASHEET
123
Size:
Size:
16-bits
16-bits
RO/LH
RO/LH
TYPE
TYPE
RW
RW
RW
RW
RO
RO
RO
RO
RO
Revision 2.6 (12-04-08)
See
DEFAULT
DEFAULT
Note 5.3
0
0
0
0
0
0
0
0
0
0