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(jī)控制器
文件頁數(shù): 46/69頁
文件大?。?/td> 2099K
代理商: ADM6996F
ADM6996F
Register Description
ADM6996F serial chips will latch hardware-reset value as recommend value. It includes
EEPROM interface:
EECS: Internal Pull down 40K resistor.
EESK: TP port Auto-MDIX select. Internal pull down 40K resistor as non Auto-MDIX
mode.
EDI: Dual Color Select. Internal pull down 40K resistor as Single Color Mode.
EDO: EEPROM enable. Internal pull up 40K resistor as EEPROM enable.
Below Figure is ADM6996F serial chips EEPROM pins operation at different stage.
Reset signal is control by CPU with at least 100ms low. Point1 is Reset rising edge. CPU
must prepare proper value on EECS(0), EESK, EDI, EDO(1) before this rising edge.
ADM6996F will read this value into chip at Point2. CPU must keep these values over
point2. Point2 is 200ns after Reset rising edge.
ADM6996F serial chips will read EEPROM content at Point4 which 800ns far away
from the rising edge of Reset. CPU must turn EEPROM pins EECS, EESK, EDI and
EDO to High-Z or pull high before Point4.
If user want change state to High-Z or pull high on EEPROM pins, the order is CS-> DI -
> DO -> SK is better.
It’s a little different with the timing on the writing EEPROM. See below graph. One must
be carefull when CS goes down after write a command, SK must issue at least one clock.
This is a difference between the ADM6996F with EEPROM write timing. If the system is
without EEPROM then user must write ADM6996F internal register by 93C66 timing. If
user uses EEPROM then the writing timing is dependent on EEPROM type.
Write Command
Infineon-ADMtek Co Ltd
4-5
200nS
800nS
200nS
100mS
Reset
1
2
3
4
5
CS
SK
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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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(biāo)準(zhǔn)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
ADM6996FCXACT1XP 制造商:Infineon Technologies AG 功能描述:GREEN, SWITCH / PHY
ADM6996FCX-AD-R-1 功能描述:開關(guān)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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)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