LAN9313 Datasheet, PDF (239/398 Pages) SMSC Corporation – Three Port 10/100 Managed Ethernet Switch with MII

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
13.2.2.5 Port x PHY Auto-Negotiation Advertisement Register (PHY_AN_ADV_x)
Index (decimal): 4
Size:
16 bits
This read/write register contains the advertised ability of the Port x PHY and is used in the Auto-
Negotiation process with the link partner.
Note: This register is re-written by the EEPROM Loader following the release of reset or a RELOAD
command. Refer to Section 8.2.4, "EEPROM Loader," on page 113 for additional information.
BITS
DESCRIPTION
15 Next Page
This bit determines the advertised next page capability. The
LAN9313/LAN9313i is not next page capable. Therefore, this bit must
always be 0.
0: PHY does not advertise next page capability
1: PHY advertises next page capability
14 RESERVED
13 Remote Fault
This bit determines if remote fault indication will be advertised to the link
partner.
0: Remote fault indication not advertised
1: Remote fault indication advertised
12 RESERVED
Note: This bit should be written as 0.
11 Asymmetric Pause
This bit determines the advertised asymmetric pause capability.
0: No Asymmetric PAUSE toward link partner advertised
1: Asymmetric PAUSE toward link partner advertised
10 Symmetric Pause
This bit determines the advertised symmetric pause capability.
0: No Symmetric PAUSE toward link partner advertised
1: Symmetric PAUSE toward link partner advertised
9 100BASE-T4
This bit determines the advertised 100BASE-T4 capability. The
LAN9313/LAN9313i does not support T4 capability. Therefore, this bit must
always be 0.
0: 100BASE-T4 ability not advertised
1: 100BASE-T4 ability advertised
8 100BASE-X Full Duplex
This bit determines the advertised 100BASE-X full duplex capability.
0: 100BASE-X full duplex ability not advertised
1: 100BASE-X full duplex ability advertised
7 100BASE-X Half Duplex
This bit determines the advertised 100BASE-X half duplex capability.
0: 100BASE-X half duplex ability not advertised
1: 100BASE-X half duplex ability advertised
TYPE
R/W
RO
R/W
R/W
R/W
R/W
R/W
R/W
R/W
DEFAULT
0b
-
0b
0b
0b
Note 13.55
Note 13.55
Note 13.56
0b
1b
1b
SMSC LAN9313/LAN9313i
239
DATASHEET
Revision 1.2 (04-08-08)