dp83630sqx National Semiconductor Corporation, dp83630sqx Datasheet - Page 6
dp83630sqx
Manufacturer Part Number
dp83630sqx
Description
Precision Phyter - Ieee 1588 Precision Time Protocol Transceiver
Manufacturer
National Semiconductor Corporation
Datasheet
1.DP83630SQX.pdf
(126 pages)
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5.0 Block Diagram
6.0 Key IEEE 1588 Features
IEEE 1588 provides a time synchronization protocol, often
referred to as the Precision Time Protocol (PTP), which syn-
chronizes time across an Ethernet network. DP83630 sup-
ports IEEE 1588 Real Time Ethernet applications by providing
hardware support for three time critical elements.
•
•
•
By combining the above capabilities, the DP83630 provides
advanced and flexible support for IEEE 1588 for use in a
highly accurate IEEE 1588 system.
IEEE 1588 synchronized clock generation
Packet timestamps for clock synchronization
Event triggering and timestamping through GPIO
DP83630 Functional Block Diagarm
6
The DP83630 provides features for controlling the clock op-
eration in Slave mode. The clock value can be updated to
match the Master clock in several ways. In addition, the clock
can be programmed to adjust its frequency to compensate for
drift.
The DP83630 supports real time triggering activities and cap-
tures real time events to report to the microcontroller. Con-
trolled devices can be connected to the DP83630 through the
available GPIO.
The IEEE 1588 features are briefly presented below. For a
more detailed discussion on configuring the IEEE 1588
features, refer to the Software Development Guide for the
DP83630.
30136218
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