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LAN9250 Datasheet(PDF) 338 Page - Microchip Technology

Part # LAN9250
Description  Integrated Ethernet PHY with HP Auto-MDIX
PDF  421 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN9250 Datasheet(HTML) 338 Page - Microchip Technology

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LAN9250
DS00001913A-page 338
 2015 Microchip Technology Inc.
14.8.16
1588 USER MAC ADDRESS HIGH-WORD REGISTER (1588_USER_MAC_HI)
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 RX Parsing Configuration Register (1588_RX-
_PARSE_CONFIG).
Offset:
14Ch
Size:
32 bits
Bank:
na
Bits
Description
Type
Default
31:16
RESERVED
RO
-
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.
R/W
0000h



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