LAN9353 Datasheet, PDF (437/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
15.8.16 1588 USER MAC ADDRESS HIGH-WORD REGISTER (1588_USER_MAC_HI)
Offset:
Bank:
14Ch
na
Size:
32 bits
This read/write register combined with the 1588 User MAC Address Low-DWORD Register (1588_USER_MAC_LO)
forms the 48-bit user defined MAC address. The Auxiliary MAC address can be enabled for each protocol via their
respective User Defined MAC Address Enable bit in the 1588 Port x RX Parsing Configuration Register (1588_RX-
_PARSE_CONFIG_x).
Bits
Description
31:16 RESERVED
15:0 User MAC Address High (USER_MAC_HI)
This field contains the high 16 bits of the user defined MAC address used for
PTP packet detection.
Note:
The host S/W must not change this field while the 1588 Enable
(1588_ENABLE) bit in 1588 Command and Control Register
(1588_CMD_CTL) is set.
Type
RO
R/W
Default
-
0000h
 2015 Microchip Technology Inc.
DS00001925A-page 437