參數(shù)資料
型號： ICS1893AFLF
廠商： IDT, Integrated Device Technology Inc
文件頁數(shù)： 56/136頁
文件大?。?/td> 0K
描述： PHYCEIVER LOW PWR 3.3V 48-SSOP
標準包裝： 30
系列： PHYceiver™
類型： PHY 收發(fā)器
規(guī)程： MII
電源電壓： 3.14 V ~ 3.47 V
安裝類型： 表面貼裝
封裝/外殼： 48-BSSOP（0.295"，7.50mm 寬）
供應商設(shè)備封裝： 48-SSOP
包裝： 管件
其它名稱： 1893AFLF
800-2353-5
ICS1893AFLF-ND
ICS1893AF, Rev D 10/26/04
October, 2004
26
Chapter 6
Interface Overviews
ICS1893AF Data Sheet - Release
Copyright 2004, Integrated Circuit Systems, Inc.
All rights reserved.
6.2
Serial Management Interface
The ICS1893AF provides an ISO/IEC compliant, two-wire Serial Management Interface as part of its
MAC/Repeater Interface. This Serial Management Interface is used to exchange control, status, and
configuration information between a Station Management entity (STA) and the physical layer device (PHY),
that is, the ICS1893AF.
The ISO/IEC standard also specifies a frame structure and protocol for this interface as well as a set of
Management Registers that provide the STA with access to a PHY such as the ICS1893AF. A Serial
Management Interface is comprised of two signals: a bi-directional data pin (MDIO) along with an
associated input pin for a clock (MDC). The clock is used to synchronize all data transfers between the
ICS1893AF and the STA.
In addition to the ISO/IEC defined registers, the ICS1893AF provides several extended status and control
registers to provide more refined control of the MII and MDI interfaces. For example, the QuickPoll Detailed
Status Register provides the ability to acquire the most-important status functions with a single MDIO read.
Note:
In the ICS1893AF, the MDIO and MDC pins remain active for all the MAC/Repeater Interface
modes (that is, 10M MII, 100M MII, 100M Symbol, and 10M Serial).
6.3
Twisted-Pair Interface
For the twisted-pair interface, the ICS1893AF uses 1:1 ratio transformers for both transmit and receive.
Better operation results from using a split ground plane through the transformer. In this case:
The RJ-45 transformer windings must be on the chassis ground plane along with the Bob Smith
termination.
The ICS1893AF system ground plane must include the ICS1893AF-side transformer windings along with
the 61.9
resistors and the 120-nH inductor.
The transformer provides the isolation with one set of windings on one ground plane and another set of
windings on the second ground plane.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ICS1893AFLFT 功能描述:PHYCEIVER LOW PWR 3.3V 48-SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:PHYceiver™ 標準包裝:250 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR)
ICS1893AFT 功能描述:PHYCEIVER LOW PWR 3.3V 48-SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:PHYceiver™ 標準包裝:1,000 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR)
ICS1893AG 制造商:ICS 制造商全稱:ICS 功能描述:3.3 V 10Base-T/100Base-TX Integrated PHYceiver-TM
ICS1893AGI 制造商:ICS 制造商全稱:ICS 功能描述:3.3 V 10Base-T/100Base-TX Integrated PHYceiver-TM
ICS1893AGILF 制造商:ICS 制造商全稱:ICS 功能描述:3.3 V 10Base-T/100Base-TX Integrated PHYceiver-TM
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