參數(shù)資料
型號： ADM6996F
廠商： INFINEON TECHNOLOGIES AG
英文描述： 6 port 10/100 Mb/s Single Chip Ethernet Switch Controller
中文描述： 6端口10/100 Mb / s的單芯片以太網(wǎng)交換機控制器
文件頁數(shù)： 23/69頁
文件大小： 2099K
代理商： ADM6996F
ADM6996F
Function Description
3.4.12 Far-End Fault
Auto negotiation provides a mechanism for transferring information from the Local
Station to the link Partner that a remote fault has occurred for 100Base-TX. As auto
negotiation is not currently specified for operation over fiber, the far end fault indication
function (FEFI) provides this capability for 100Base-FX applications.
A remote fault is an error in the link that one station can detect while the other cannot. An
example of this is a disconnected wire at a station’s transmitter. This station will be
receiving valid data and detect that the link is good via the link integrity monitor, but will
not be able to detect that its transmission is not propagating to the other station.
A 100Base-FX station that detects such a remote fault may modify its transmitted idle
stream from all ones to a group of 84 ones followed by a single 0. This is referred to as
the FEFI idle pattern.
3.5 100Base-TX Transceiver
ADM6996F implements a TP-PMD compliant transceiver for 100Base-TX operation.
The differential transmit driver is shared by the 10Base-T and 100Base-TX subsystems.
This arrangement results in one device that uses the same external magnetic for both the
10Base-T and the 100Base-TX transmission with simple RC component connections.
The individually wave-shaped 10Base-T and 100Base-TX transmit signals are
multiplexed in the transmission output driver selection.
3.5.1 Transmit Drivers
The ADM6996F 100Base-TX transmission driver implements MLT-3 translation and
wave-shaping functions. The rise/fall time of the output signal is closely controlled to
conform to the target range specified in the ANSI TP-PMD standard.
3.5.2 Twisted-Pair Receiver
For 100Base-TX operation, the incoming signal is detected by the on-chip twisted-pair
receiver that consists of a differential line receiver, an adaptive equalizer and a base-line
wander compensation circuits.
The ADM6996F uses an adaptive equalizer that changes filter frequency response in
accordance with cable length. The cable length is estimated based on the incoming signal
strength. The equalizer tunes itself automatically for any cable length to compensate for
the amplitude and phase distortions incurred from the cable.
3.6 10Base-T Module
The 10Base-T Transceiver Module is IEEE 802.3 compliant. It includes the receiver,
transmitter, collision, heartbeat, loop back, jabber, wave shaper, and link integrity
Infineon-ADMtek Co Ltd.
3-5
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相關代理商/技術參數(shù)
參數(shù)描述
ADM6996FAAT1 功能描述:IC SWITCH CTRLR 10/100 128PQFP RoHS:否 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應商設備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A
ADM6996FCX-AC-T-1 功能描述:IC ETHERNET SW CTRLR 128-PQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應商設備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A
ADM6996FCXACT1XP 制造商:Infineon Technologies AG 功能描述:GREEN, SWITCH / PHY
ADM6996FCX-AD-R-1 功能描述:開關變換器、穩(wěn)壓器與控制器 SWITCH / PHY RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
ADM6996FCXADR1XT 制造商:Infineon Technologies AG 功能描述:SWITCH / PHY
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