LAN9311 Datasheet, PDF (221/461 Pages) SMSC Corporation – Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface

Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
14.2.5.20 1588 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 LAN9311/LAN9311i 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 155 for additional information.
BITS
DESCRIPTION
31:16 RESERVED
15:0 Auxiliary MAC Address High (AUX_MAC_HI)
This field contains the high 16-bits of the Auxiliary MAC address used for
PTP packet detection.
TYPE
RO
R/W
DEFAULT
-
0000h
SMSC LAN9311/LAN9311i
221
DATASHEET
Revision 2.0 (02-14-13)