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參數(shù)資料
| 型號： | ADM6995L |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 5 PORT 10/100 MB/s SINGLE CHIP ETHERNET SWITCH CONTROLLER |
| 中文描述： | 5端口10/100 MB / s的單芯片以太網(wǎng)交換控制器 |
| 文件頁數(shù)： | 24/57頁 |
| 文件大?。?/td> | 1815K |
| 代理商： | ADM6995L |
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ADM6995L
Function Description
24ms, the 10Base-T transmitter will be disabled. Once disabled by the jabber function,
the transmitter stays disabled for the entire time that the TXEN signal is asserted. This
signal has to be de-asserted for approximately 256 ms (The un-jab time) before the jabber
function re-enables the transmit outputs. The jabber function can be disabled by
programming bit 4 of register address 10h to high.
3.9 Link Test Function
A link pulse is used to check he integrity of the connection with the remote end. If valid
link pulses are not received, the link detector disables the 10Base-T twisted-pair
transmitter, receiver, and collision detection functions.
The link pulse generator produces pulses as defined in IEEE 802.3 10Base-T standard.
Each link pulse is nominally 100ns in duration and is transmitted every 16 ms, in the
absence of transmit data.
3.10 Automatic Link Polarity Detection
ADM6995L’s 10Base-T transceiver module incorporates an “automatic link polarity
detection circuit”. The inverted polarity is determined when seven consecutive link pulses
of inverted polarity or three consecutive packets are received with inverted end-of-packet
pulses. If the input polarity is reversed, the error condition will be automatically corrected
and reported in bit 5 of register 10h.
3.11 Clock Synthesizer
The ADM6995L implements a clock synthesizer that generates all the reference clocks
needed from a single external frequency source. The clock source must be a TTL level
signal at 25 MHz +/- 50ppm
3.12 Auto Negotiation
The Auto Negotiation function provides a mechanism for exchanging configuration
information between two ends of a link segment and automatically selecting the highest
performance mode of operation supported by both devices. Fast Link Pulse (FLP) Bursts
provide the signaling used to communicate auto negotiation abilities between two devices
at each end of a link segment. For further detail regarding auto negotiation, refer to
Clause 28 of the IEEE 802.3u specification. The ADM6995L supports four different
Ethernet protocols, so the inclusion of auto negotiation ensures that the highest
performance protocol will be selected based on the ability of the link partner.
Highest priority relative to the following list:
100Base-TX full duplex (highest priority)
100Base-TX half duplex
10Base-T full duplex
10Base-T half duplex (lowest priority)
ADMtek Inc.
3-8
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADM6995 | 5 PORT 10/100 MB/S SINGLE CHIP ETHIERNET SWITCH CONTROLLER |
| ADS-930 | 16-Bit, 500kHz Sampling A/D Converters |
| ADS-930MC | 16-Bit, 500kHz Sampling A/D Converters |
| ADS-930MM | 16-Bit, 500kHz Sampling A/D Converters |
| ADS-EVAL3 | 16-Bit, 500kHz Sampling A/D Converters |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADM6995LAAT1 | 功能描述:IC SWITCH CNTRLR 10/100 128QFP 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(yīng)商設(shè)備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A |
| ADM6995LAAT1NP | 制造商:Infineon Technologies AG 功能描述:SWITCH / PHY |
| ADM6995LCACT1 | 制造商:Infineon Technologies AG 功能描述: |
| ADM6995LCACT1NP | 制造商:Infineon Technologies AG 功能描述:SWITCH / PHY |
| ADM6995LCADT1NP | 制造商:Infineon Technologies AG 功能描述:SWITCH / PHY |
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