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LAN9250 Datasheet(PDF) 372 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) 372 Page - Microchip Technology

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LAN9250
DS00001913A-page 372
 2015 Microchip Technology Inc.
14.8.43
1588 PORT TX DELAY_REQ EGRESS TIME NANOSECONDS REGISTER
(1588_TX_DREQ_NS)
This register combined with the 1588 Port TX Delay_Req Egress Time Seconds Register (1588_TX_DREQ_SEC) con-
tains the egress time of the last Delay_Req message. The contents of this field are normally only used to insert the
egress time into received Delay_Resp messages.
Note:
Port and GPIO registers share a common address space. Port registers are selected by the Bank Select
(BANK_SEL[2:0] in the 1588 Bank Port GPIO Select Register (1588_BANK_PORT_GPIO_SEL).
Offset:
17Ch
Size:
32 bits
Bank:
2
Bits
Description
Type
Default
31:30
RESERVED
RO
-
29:0
Timestamp NanoSeconds (TS_NS)
This field contains the nanoseconds portion of the transmit egress time.
RO
00000000h



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