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Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i 221 Revision 1.4 (08-19-08)
DATASHEET
14.2.5.20 1588 Auxiliary MAC Address High-WORD Register (1588_AUX_MAC_HI)
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.
Offset: 18Ch Size: 32 bits
BITS DESCRIPTION TYPE DEFAULT
31:16 RESERVED RO -
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.
R/W 0000h