DP83640 Datasheet

IC型號(hào)：
DP83640
PDF描述：
Precision PHYTER - IEEE㈢ 1588 Precision Time Protocol Trans...
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PDF頁(yè)數(shù)：
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DP83640 Precision PHYTER - IEEE 1588 Precision Time Protocol Transceiver

February 26, 2008

DP83640

Precision PHYTER - IEEE廬 1588 Precision Time Protocol

Transceiver

1.0 General Description

The DP83640 Precision PHYTER廬 device delivers the high-

est level of precision clock synchronization for real time in-

dustrial 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:

鈥?Packet time stamps for clock synchronization

鈥?Integrated IEEE 1588 synchronized clock generation

鈥?Synchronized event triggering and time stamping through

GPIO

DP83640 offers innovative diagnostic features unique to Na-

tional Semiconductor, 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.

3.0 Features

鈻?/div>

IEEE 1588 V1 and V2 supported

鈻?/div>

UDP/IPv4, UDP/IPv6, and Layer2 Ethernet packets

鈻?/div>

supported

IEEE 1588 clock synchronization

Timestamp resolution of 8 ns

Allows sub 100 ns synchronization to master reference

12 IEEE 1588 GPIOs for trigger or capture

Deterministic, low transmit and receive latency

Selectable frequency synchronized clock output

Dynamic Link Quality monitoring

TDR based Cable Diagnostic and Cable Length Detection

10/100 Mb/s packet BIST (Built in Self Test)

Error-free Operation up to 150 meters CAT5 cable

ESD protection - 8 kV human body model

3.3 V I/Os and MAC interface

Auto-MDIX for 10/100 Mbps

RMII Rev. 1.2 and MII MAC interface

25 MHz MDC and MDIO Serial Management Interface

IEEE 802.3u 100BASE-FX Fiber Interface

IEEE 1149.1 JTAG

Programmable LED support for Link, 10 /100 Mb/s Mode,

Duplex, Activity, and Collision Detect

Optional 100BASE-TX fast link-loss detection

48 pin LQFP package (7mm) x (7mm)

2.0 Applications

鈻?/div>

Factory Automation

鈥?/div>

Ethernet/IP

鈥?/div>

CIP Sync

鈻?/div>

Test and Measurement

鈥?/div>

LXI Standard

鈻?/div>

Telecom

鈥?/div>

Basestation

鈻?/div>

Real Time Networking

4.0 System Diagram

30011217

PHYTER

廬

is a registered trademark of National Semiconductor.

漏 2008 National Semiconductor Corporation

300112

www.national.com

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