参数资料
型号: ICS1893BKILF
厂商: IDT, Integrated Device Technology Inc
文件页数: 75/133页
文件大小: 0K
描述: PHYCEIVER LOW PWR 3.3V 56-VQFN
标准包装: 260
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: 56-VFQFN 裸露焊盘
供应商设备封装: 56-VFQFP-EP(8x8)
包装: 管件
其它名称: 1893BKILF
800-2354-5
ICS1893BKILF-ND
ICS1893BF, Rev. F, 5/13/10
May, 2010
46
Chapter 6 Functional Blocks
ICS1893BF Data Sheet - Release
Copyright 2009, IDT, Inc.
All rights reserved.
When an ICS1893BF detects a reversed signal polarity on its Twisted-Pair Receiver pins and the Auto
Polarity-Inhibit bit is also logic zero (enabled), the ICS1893BF (1) automatically corrects the data stream
and (2) sets its Polarity Reversed bit (bit 18.14) to logic one, to indicate to the STA that this situation exists.
Bit 18.14 is a latching high (LH) bit. (For more information on latching high and latching low bits, see
Note: The ICS1893BF will not complete the Auto-MDIX function for an inverted polarity cable. This
is a rare event with modern manufactured cables. Full Auto-Negotiation and Auto Polarity
Correction will complete when the Auto-MDIX function is disabled. Software control for the
Auto-MDIX function is available in MDIO Register 19 Bits 9:8.
6.5.14 10Base-T Operation: Isolation Transformer
The 10Base-T Isolation Transformer operates the same as the 100Base-TX Isolation Transformer. In fact,
in a typical ICS1893BF application they are the same unit. For more information, see Section 6.4.7,
6.6 Functional Block: Management Interface
As part of the MAC Interface, the ICS1893BF provides a two-wire serial management interface which
complies with the ISO/IEC 8802-3 standard MII Serial Management Interface. This interface is used to
exchange control, status, and configuration information between a Station Management entity (STA) and
the physical layer device (PHY). The PHY and STA exchange this data through a pre-defined set of
management registers. The ISO/IEC standard specifies the following components of this serial
management interface:
The protocol
In compliance with the ISO/IEC specification, the ICS1893BF implementation of the serial management
interface provides a bi-directional data pin (MDIO) along with a clock (MDC) for synchronizing the
exchange of data. These pins remain active in all ICS1893BF MAC Interface modes (that is, the 10/100
MII, 100M Symbol, and 10M Serial interface modes).
6.6.1 Management Register Set Summary
The ICS1893BF implements a Management Register set that adheres to the ISO/IEC standard. This
register set (discussed in detail in Chapter 7, “Management Register Set”) includes the mandatory ‘Basic’
Control and Status registers and the ISO/IEC ‘Extended’ registers as well as some ICS-specific registers.
6.6.2 Management Frame Structure
The Serial Management Interface is a synchronous, bi-directional, two-wire, serial interface for the
exchange of configuration, control, and status data between a PHY, such as an ICS1893BF, and an STA.
All data transferred on an MDIO signal is synchronized by its MDC signal. The PHY and STA exchange
data through a pre-defined register set.
The ICS1893BF complies with the ISO/IEC defined Management Frame Structure and protocol. This
structure supports both read and write operations. Table 6-1 summarizes the Management Frame
Structure.
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ICS1893BKIT 功能描述:PHYCEIVER LOW PWR 3.3V 56-VQFN 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:250 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-TSSOP(0.173",4.40mm 宽) 供应商设备封装:16-TSSOP 包装:带卷 (TR)
ICS1893BKLF 功能描述:PHYCEIVER LOW PWR 3.3V 56-VQFN RoHS:是 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:250 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-TSSOP(0.173",4.40mm 宽) 供应商设备封装:16-TSSOP 包装:带卷 (TR)
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