參數(shù)資料
型號: ADM6996L
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): 45/61頁
文件大?。?/td> 1743K
代理商: ADM6996L
ADM6996L
Register Description
ADM6996L serial chips will latch hardware-reset value as recommend value. It includes
EEPROM interface:
EECS: Internal Pull down 40K resister.
EESK: TP port Auto-MDIX select. Internal pull down 40K resister as non Auto-MDIX
mode.
EDI: Dual Color Select. Internal pull down 40K resister as Single Color Mode.
EDO: EEPROM enable. Internal pull up 40K resister as EEPROM enable.
Below Figure is ADM6996L 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.
ADM6996L will read this value into chip at Point2. CPU must keep these values over
point2. Point2 is 200ns after Reset rising edge.
ADM6996L 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.
A little bit different with the timing on writing EEPROM. See below graph. Must be
carefully is when CS go down after write a command, SK must issue at least one clock.
This is a difference between ADM6996L with EEPROM write timing. If system without
EEPROM then user must write ADM6996L internal register by 93C66 timing. If user
uses EEPROM then the writing timing is depend on EEPROM type.
Write Command
Infineon-ADMtek Co. Ltd.
4-5
200nS
800nS
200nS
100mS
Reset
1
2
3
4
5
CS
SK
相關PDF資料
PDF描述
ADM8262 Wireless LAN 802.11a/b/g Controller
AIC1383B 3A TERMINATION REGULATOR
AIC1383BCE5TR 3A TERMINATION REGULATOR
AIC1383BCM5TR 3A TERMINATION REGULATOR
AIC1383BCSTR 3A TERMINATION REGULATOR
相關代理商/技術參數(shù)
參數(shù)描述
ADM6996LAAT1 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
ADM6996L-AA-T-1 制造商:Rochester Electronics LLC 功能描述:ETHERNET SWITCH - Bulk
ADM6996LAAT1NP 制造商:Infineon Technologies AG 功能描述:Ethernet CTLR Single Chip 10Mbps/100Mbps 3.3V 128-Pin MQFP Tray
ADM6996LC 制造商:Infineon Technologies AG 功能描述:
ADM6996LC-AC-R-1 功能描述:IC ETHERNET SW CTRLR 128-PQFP 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