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参数资料
型号： ICS1893AFLFT
厂商： IDT, Integrated Device Technology Inc
文件页数： 52/136页
文件大小： 0K
描述： PHYCEIVER LOW PWR 3.3V 48-SSOP
标准包装： 1,000
系列： PHYceiver™
类型： PHY 收发器
规程： MII
电源电压： 3.14 V ~ 3.47 V
安装类型： 表面贴装
封装/外壳： 48-BSSOP（0.295"，7.50mm 宽）
供应商设备封装： 48-SSOP
包装： 带卷 (TR)
其它名称： 1893AFLFT
ICS1893AF, Rev D 10/26/04
October, 2004
22
Chapter 5
Operating Modes Overview
ICS1893AF Data Sheet - Release
Copyright 2004, Integrated Circuit Systems, Inc.
All rights reserved.
5.3
Automatic Power-Saving Operations
The ICS1893AF has power-saving features that automatically minimize its total power consumption while it
is operating. Table 5-1 lists the ICS1893AF automatic power-saving features for the various modes.
5.4
Auto-Negotiation Operations
The ICS1893AF has an Auto-Negotiation sublayer and provides a Control Register bit (bit 0.12) to
determine whether its Auto-Negotiation sublayer is enabled or disabled.
When enabled, the ICS1893AF Auto-Negotiation sublayer exchanges technology capability data with its
remote link partner and automatically selects the highest-performance operating mode it has in common
with its remote link partner. For example, if the ICS1893AF supports 100Base-TX and 10Base-T modes –
but its link partner supports 100Base-TX and 100Base-T4 modes – the two devices automatically select
100Base-TX as the highest-performance common operating mode. For details regarding initialization and
control of the auto-negotiation process, see Section 7.2, “Functional Block: Auto-Negotiation”.
Table 5-1.
Automatic Power-Saving Features, 10Base-T and 100Base-TX Modes
Power-
Saving
Feature
Mode for ICS1893AF
10Base-T Mode
100Base-TX Mode
Disable Inter-
nal Modules
In 10Base-T mode, the ICS1893AF
disables all its internal 100Base-TX
modules.
In 100Base-TX mode, the ICS1893AF
disables all its internal 10Base-T modules.
STA Control
of Automatic
Power-
Saving
Features
When an STA sets the state of the
ICS1893AF Extended Control Register 2,
bit 19.0 to logic:
Zero, the 100Base-TX modules always
remain enabled, even during 10Base-T
operations.
One, the ICS1893AF automatically
disables 100Base-TX modules while the
ICS1893AF is operating in 10Base-T
mode.
When an STA sets the state of the
ICS1893AF Extended Control Register 2,
bit 19.1 to logic:
Zero, the 10Base-T modules always
remain enabled, even during
100Base-TX operations.
One, the ICS1893AF automatically
disables 10Base-T modules while the
ICS1893AF is operating in 100Base-TX
mode.
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ICS1893AFT 功能描述:PHYCEIVER LOW PWR 3.3V 48-SSOP RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:PHYceiver™ 标准包装:1,000 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR)
ICS1893AG 制造商:ICS 制造商全称:ICS 功能描述:3.3 V 10Base-T/100Base-TX Integrated PHYceiver-TM
ICS1893AGI 制造商:ICS 制造商全称:ICS 功能描述:3.3 V 10Base-T/100Base-TX Integrated PHYceiver-TM
ICS1893AGILF 制造商:ICS 制造商全称:ICS 功能描述:3.3 V 10Base-T/100Base-TX Integrated PHYceiver-TM
ICS1893AGLF 制造商:ICS 制造商全称:ICS 功能描述:3.3 V 10Base-T/100Base-TX Integrated PHYceiver-TM
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