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LAN9250 Datasheet(PDF) 353 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) 353 Page - Microchip Technology

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 2015 Microchip Technology Inc.
DS00001913A-page 353
LAN9250
14.8.27
1588 PORT RX INGRESS TIME NANOSECONDS REGISTER (1588_RX_INGRESS_NS)
This read only register combined with the 1588 Port RX Ingress Time Seconds Register (1588_RX_INGRESS_SEC)
contains the RX timestamp capture. Up to four captures are buffered.
Note:
Values are only valid if the 1588 RX Timestamp Count (1588_RX_TS_CNT[2:0]) field indicates that at least
one timestamp is available.
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:
170h
Size:
32 bits
Bank:
1
Bits
Description
Type
Default
31:30
RESERVED
RO
-
29:0
Timestamp NanoSeconds (TS_NS)
This field contains the nanoseconds portion of the receive ingress time.
RO
00000000h



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