LAN9313 datasheet(213/398 Pages) SMSC

213 / 398 page

Three Port 10/100 Managed Ethernet Switch with MII

Datasheet

SMSC LAN9313/LAN9313i

213

Revision 1.2 (04-08-08)

DATASHEET

Note 13.19

The reserved bits 31-16 are used to pad the register to 32-bits so that each register is on

a DWORD boundary. When accessed serially (through the MII management protocol), the

Note 13.20

The Virtual PHY supports 100BASE-X (half and full duplex) and 10BASE-T (half and full

duplex) only. All other modes will always return as 0 (unable to perform).

Note 13.21

The Virtual PHY does not support Register 15 or 1000 Mb/s operation. Thus this bit is

always returned as 0.

Note 13.22

The Auto-Negotiation Complete bit is first cleared on a reset, but set shortly after (when

the Auto-Negotiation process is run). Refer to Section 7.3.1, "Virtual PHY Auto-

Negotiation," on page 98 for additional details.

Note 13.23

The Virtual PHY never has remote faults, its link is always up, and does not detect jabber.

Note 13.24

The VIrtual PHY supports basic and some extended register capability. The Virtual PHY

supports Registers 0-6 (per the IEEE 802.3 specification).

MF Preamble Suppression

This bit indicates whether the Virtual PHY accepts management frames with

the preamble suppressed.

0: Management frames with preamble suppressed not accepted

1: Management frames with preamble suppressed accepted

Auto-Negotiation Complete

This bit indicates the status of the Auto-Negotiation process.

0: Auto-Negotiation process not completed

1: Auto-Negotiation process completed

Note 13.22

Remote Fault

This bit indicates if a remote fault condition has been detected.

0: No remote fault condition detected

1: Remote fault condition detected

Note 13.23

Auto-Negotiation Ability

This bit indicates the status of the Virtual PHY’s auto-negotiation.

0: Virtual PHY is unable to perform auto-negotiation

1: Virtual PHY is able to perform auto-negotiation

Link Status

This bit indicates the status of the link.

0: Link is down

1: Link is up

Note 13.23

Jabber Detect

This bit indicates the status of the jabber condition.

0: No jabber condition detected

1: Jabber condition detected

Note 13.23

Extended Capability

This bit indicates whether extended register capability is supported.

0: Basic register set capabilities only

1: Extended register set capabilities

Note 13.24

BITS

DESCRIPTION

TYPE

DEFAULT

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