DP83640 - 精密 PHYTER - IEEE 1588 精确时间协议收发器

DP83640是TI德州仪器公司的一款TI芯片产品，DP83640是精密 PHYTER - IEEE 1588 精确时间协议收发器，本站介绍了DP83640的封装应用图解、特点和优点、功能等，并给出了与DP83640相关的TI元器件型号供参考。

DP83640 - 精密 PHYTER - IEEE 1588 精确时间协议收发器 - TI芯片 - 以太网 - 德州仪器

1 Device Overview

1.1 Features

IEEE 1588 V1 and V2 Supported
UDP/IPv4, UDP/IPv6, and Layer2 Ethernet Packets Supported
IEEE 1588 Clock Synchronization
Timestamp Resolution of 8 ns
Allows Sub 10-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
2.5-V and 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 802.3 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
Industrial Temperature Range
48-pin LQFP Package (7 mm × 7 mm)

1.2 Applications

Factory Automation
- Ethernet/IP
- CIP Sync
Test and Measurement
- LXI Standard
Telecom
- Basestation
Real Time Networking

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.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
DP83640	LQFP (48)	7.00 mm × 7.00 mm

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