参数资料
型号: KSZ8041MLL
厂商: Micrel Inc
文件页数: 26/65页
文件大小: 0K
描述: TXRX 10/100 3.3V PHY MII 48-LQFP
标准包装: 250
类型: 收发器
驱动器/接收器数: 1/1
规程: MII
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 48-TQFP
供应商设备封装: 48-TQFP(7x7)
包装: 托盘
产品目录页面: 1080 (CN2011-ZH PDF)
其它名称: 576-3502
Micrel, Inc.
KSZ8041TL/FTL/MLL
December 2009
32
M9999-120909-1.2
HP Auto MDI/MDI-X
HP Auto MDI/MDI-X configuration eliminates the confusion of whether to use a straight cable or a crossover cable
between the KSZ8041TL/FTL/MLL and its link partner. This feature allows the KSZ8041TL/FTL/MLL to use either type of
cable to connect with a link partner that is in either MDI or MDI-X mode. The auto-sense function detects transmit and
receive pairs from the link partner, and then assigns transmit and receive pairs of the KSZ8041TL/FTL/MLL accordingly.
HP Auto MDI/MDI-X is enabled by default. It is disabled by writing a one to register 1F bit 13. MDI and MDI-X mode is
selected by register 1F bit 14 if HP Auto MDI/MDI-X is disabled.
An isolation transformer with symmetrical transmit and receive data paths is recommended to support auto MDI/MDI-X.
The IEEE 802.3 Standard defines MDI and MDI-X as follow:
MDI
MDI-X
RJ-45 Pin
Signal
RJ-45 Pin
Signal
1
TD+
1
RD+
2
TD-
2
RD-
3
RD+
3
TD+
6
RD-
6
TD-
Table 9. MDI/MDI-X Pin Definition
Straight Cable
A straight cable connects a MDI device to a MDI-X device, or a MDI-X device to a MDI device. The following diagram
depicts a typical straight cable connection between a NIC card (MDI) and a switch, or hub (MDI-X).
Receive Pair
Transmit Pair
Receive Pair
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Transmit Pair
Modular Connector
(RJ-45)
NIC
Straight
Cable
10/100 Ethernet
Media Dependent Interface
10/100 Ethernet
Media Dependent Interface
Modular Connector
(RJ-45)
HUB
(Repeater or Switch)
Figure 4. Typical Straight Cable Connection
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KSZ8041MNLU TR 功能描述:TXRX PHY 100BASE TX 3.3V 32QFN RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器,接收器,收发器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422,RS485 电源电压:4.75 V ~ 5.25 V 安装类型:通孔 封装/外壳:8-DIP(0.300",7.62mm) 供应商设备封装:8-PDIP 包装:管件 产品目录页面:1402 (CN2011-ZH PDF)