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DP83849I - 产品图解:
DP83849I-PHYTER 双路工业温度,灵活端口开关双端口 10/100 Mb/s 以太网物理层收发器
DP83849I-TI芯片-以太网-接口
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TI产品 - DP83849I介绍
DP83849I - PHYTER 双路工业温度,灵活端口开关双端口 10/100 Mb/s 以太网物理层收发器

DP83849I是TI公司的一款TI芯片产品,DP83849I是PHYTER 双路工业温度,灵活端口开关双端口 10/100 Mb/s 以太网物理层收发器,本页介绍了DP83849I的产品说明、应用、特性等,并给出了与DP83849I相关的TI元器件型号供参考。

DP83849I - PHYTER 双路工业温度,灵活端口开关双端口 10/100 Mb/s 以太网物理层收发器 - TI芯片 - 以太网 - TI公司(Texas Instruments,德州仪器)

1 Device Overview
1.1 Features
  • Low-power 3.3-V, 0.18-µm CMOS Technology
  • Low power Consumption <600 mW Typical
  • 3.3-V MAC Interface
  • Auto-MDIX for 10/100 Mb/s
  • Energy Detection Mode
  • Flexible MII Port Assignment
  • Dynamic Integrity Utility
  • Dynamic Link Quality Monitoring
  • TDR based Cable Diagnostic and Cable Length Detection
  • Optimized Latency for Real-Time Ethernet Operation
  • Reference Clock Out
  • RMII Rev. 1.2 Interface (Configurable)
  • SNI Interface (Configurable)
  • MII Serial Management Interface (MDC and MDIO)
  • IEEE 802.3u MII
  • IEEE 802.3u Auto-Negotiation and Parallel Detection
  • IEEE 802.3u ENDEC, 10BASE-T Transceivers and Filters
  • IEEE 802.3u PCS, 100BASE-TX Transceivers and Filters
  • IEEE 1149.1 JTAG
  • Integrated ANSI X3.263 Compliant TP-PMD Physical Sub-layer with Adaptive Equalization and Baseline Wander Compensation
  • Programmable LED Support for Link, 10/100 Mb/s Mode, Activity, Duplex and Collision Detect
  • Single Register Access for Complete PHY Status
  • 10/100 Mb/s Packet BIST (Built-In Self Test)
  • 80-pin TQFP Package (12-mm × 12-mm)
1.2 Applications
  • Medical Instrumentation
  • Factory Automation
  • Motor and Motion Control
  • Wireless Remote Base Station
  • General Embedded Applications
1.3 Description

The number of applications requiring Ethernet Connectivity continues to expand. Along with this increased market demand is a change in application requirements. Where single channel Ethernet used to be sufficient, many applications such as wireless remote base stations and industrial networking now require DUAL Port functionality for redundancy or system management.

The DP83849I is a highly reliable, feature rich device perfectly suited for industrial applications enabling Ethernet on the factory floor. The DP83849I features two fully independent 10/100 ports for multi-port applications. The unique port switching capability also allows the two ports to be configured to provide fully integrated range extension, media conversion, hardware based failover and port monitoring.

The DP83849I provides optimum flexibility in MPU selection by supporting both MII and RMII interfaces. In addition this device includes a powerful new diagnostics tool to ensure initial network operation and maintenance.

In addition to the TDR scheme, commonly used for detecting faults during installation, the innovative cable diagnostics provides for real time continuous monitoring of the link quality. This allows the system designer to implement a fault prediction mechanism to detect and warn of changing or deteriorating link conditions.

The DP83849I continues to build on its Ethernet expertise and leadership position by providing a powerful combination of features and flexibility, easing Ethernet implementation for the system designer.

产品器件信息
PART NUMBERPACKAGEBODY SIZE
DP83849ITQFP (80)12.00 mm × 12.00 mm
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