LAN9312 Datasheet, PDF (220/458 Pages) SMSC Corporation – High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface

High Performance Two Port 10/100 Managed Ethernet Switch with 32-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 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
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
Revision 1.2 (04-08-08)
220
DATASHEET
SMSC LAN9312