位置:AM79C985JC > AM79C985JC详情

AM79C985JC中文资料

厂家型号

AM79C985JC

文件大小

260.029Kbytes

页面数量

48

功能描述

enhanced Integrated Multiport Repeater Plus (eIMR??

enhanced Integrated Multiport Repeater Plus(eIMR+⑩)

数据手册

下载地址一下载地址二到原厂下载

生产厂商

Advanced Micro Devices

简称

AMD超威半导体

中文名称

美国超威半导体公司官网

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AM79C985JC数据手册规格书PDF详情

GENERAL DESCRIPTION

The enhanced Integrated Multiport Repeater Plus (eIMR+) device is a VLSI integrated circuit that provides a system-level solution to designing managed multiport repeaters. The device integrates the repeater functions specified in Section 9 of the IEEE 802.3 standard and Twisted Pair Transceiver functions complying with the 10BASE-T standard.

DISTINCTIVE CHARACTERISTICS

■ Repeater functions compliant with IEEE 802.3 Repeater Unit specifications

■ Direct interface with the Am79C987 Hardware Implemented Management Information Base (HIMIB™) device for building a basic managed multiport repeater

■ Full software backwards compatibility with existing hub designs using Integrated Multiport Repeater Plus (IMR+™)/HIMIB devices

■ Network management and optional feature accessibility through a dedicated serial management port

■ Four integral 10BASE-T transceivers with on chip filtering eliminating the need for external filter modules on the 10BASE-T transmit-data (TXD) and receive-data (RXD) lines

■ One Reversible Attachment Unit Interface (RAUI™) port used either as a standard IEEE compliant AUI port for connection to a Medium Attachment Unit (MAU) or a reversed port for direct connection to a Media Access Controller (MAC)

■ Low cost suitable for managed multiport repeater designs

■ Number of repeater ports easily expandable with support for up to seven eIMR+ devices without the need for an external arbiter

■ All ports capable of being individually isolated (partitioned) in response to excessive collision conditions or fault conditions

■ Flexible LED support for individual port status and network utilization LEDs

■ Programmable extended distance mode on RXD lines allowing connection to cables longer than 100 meters

■ Link Test function and Link Test pulse transmission capable of being disabled through the management port allowing devices that do not implement the Link Test function to work with the eIMR+ device

■ Programmable automatic polarity detection and correction option permitting automatic recovery from wiring errors

■ Full amplitude and timing regeneration for retransmitted waveforms

■ CMOS device with a single +5-V supply

AM79C985JC产品属性

  • 类型

    描述

  • 型号

    AM79C985JC

  • 制造商

    AMD

  • 制造商全称

    Advanced Micro Devices

  • 功能描述

    enhanced Integrated Multiport Repeater Plus(eIMR+⑩)

更新时间:2025-5-13 9:30:00
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Advanced Micro Devices 美国超威半导体公司

中文资料: 20889条

Advanced Micro Devices, Inc.(AMD)是一家全球领先的半导体公司,成立于1969年,总部位于美国加利福尼亚州的桑尼韦尔。AMD专注于设计和制造高性能计算、图形和视觉计算技术,产品涵盖处理器、图形卡、嵌入式系统等多个领域,广泛应用于个人电脑、工作站、服务器、游戏、数据中心及嵌入式设备等。 AMD在技术创新方面不断取得突破,推出了多个标志性的产品,如Ryzen系列处理器、EPYC服务器处理器、Radeon系列显卡等。公司以其优异的性能和能效比在市场上获得了良好的声誉,特别是在游戏和高性能计算领域受到广泛认可。 近年来,AMD积极推动开放架构和高效能计算领域的发展,致力于