High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface

Datasheet

14.2.5.201588 Auxiliary MAC Address High-WORD Register (1588_AUX_MAC_HI)

Offset:

18Ch

Size:

32 bits

This read/write register combined with the 1588 Auxiliary MAC Address Low-DWORD Register (1588_AUX_MAC_LO) forms the 48-bit Auxiliary (user defined) MAC address. The Auxiliary MAC address can be enabled for each port of the LAN9312 via their respective User Defined MAC Address Enable bit in the 1588 Configuration Register (1588_CONFIG). Refer to Chapter 11, "IEEE 1588 Hardware Time Stamp Unit," on page 154 for additional information.

BITS

DESCRIPTION

TYPE

DEFAULT

 

 

 

 

31:16

RESERVED

RO

-

 

 

 

 

15:0

Auxiliary MAC Address High (AUX_MAC_HI)

R/W

0000h

 

This field contains the high 16-bits of the Auxiliary MAC address used for

 

 

 

PTP packet detection.

 

 

 

 

 

 

Revision 1.4 (08-19-08)

220

SMSC LAN9312

 

DATASHEET