DP83640 datasheet(2/129 Pages) TI1

Part #	DP83640

Description	Precision PHYTER - IEEE짰 1588 Precision Time Protocol Transceiver

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Manufacturer	TI1 [Texas Instruments]

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DP83640

SNOSAY8D – SEPTEMBER 2007 – REVISED NOVEMBER 2012

www.ti.com

1.3

DESCRIPTION

The DP83640 Precision PHYTER® device delivers the highest level of precision clock synchronization for

real time industrial connectivity based on the IEEE 1588 standard. The DP83640 has deterministic, low

latency and allows choice of microcontroller with no hardware customization required. The integrated 1588

functionality allows system designers the flexibility and precision of a close to the wire timestamp. The

three key 1588 features supported by the device are:

— Packet time stamps for clock synchronization

— Integrated IEEE 1588 synchronized clock generation

— Synchronized event triggering and time stamping through GPIO

DP83640 offers innovative diagnostic features unique to Texas Instruments, including dynamic monitoring

of link quality during standard operation for fault prediction. These advanced features allow the system

designer to implement a fault prediction mechanism to detect and warn of deteriorating and changing link

conditions. This single port fast Ethernet transceiver can support both copper and fiber media.

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

2

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