DP83849ID - PHYTER 双路工业温度、光纤支持 (FX)、双端口 10/100 Mb/s 以太网物理层收发器

DP83849ID是TI德州仪器公司的一款无产品，DP83849ID是PHYTER 双路工业温度、光纤支持 (FX)、双端口 10/100 Mb/s 以太网物理层收发器，本站介绍了DP83849ID的封装应用图解、特点和优点、功能等，并给出了与DP83849ID相关的TI元器件型号供参考。

DP83849ID - PHYTER 双路工业温度、光纤支持 (FX)、双端口 10/100 Mb/s 以太网物理层收发器 - 无 - 以太网 - 德州仪器

产品描述

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 DP83849ID is a highly reliable, feature rich device perfectly suited for industrial applications enabling Ethernet on the factory floor. The DP83849ID features two fully independent 10/100 ports for multi-port applications.

The DP83849ID provides optimum flexibility in MPU selection by supporting both MII and RMII interfaces. The device also provides flexibility by supporting both copper and fiber media.

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, NATIONAL's 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.

With the DP83849ID, National Semiconductor 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.

产品特性

Low-power 3.3V, 0.18μm CMOS technology
Low power consumption <600mW Typical
3.3V MAC Interface
Auto-MDIX for 10/100 Mb/s
Energy Detection Mode
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 802.3u 100BASE-FX Fiber Interface
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 (12mm x 12mm)

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