參數(shù)資料
型號: KS8721SL TR
廠商: Micrel Inc
文件頁數(shù): 7/33頁
文件大?。?/td> 0K
描述: IC TXRX PHY 10/100 3.3V 48SSOP
標(biāo)準(zhǔn)包裝: 1,000
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 1/1
規(guī)程: IEEE 802
電源電壓: 2.375 V ~ 2.625 V
安裝類型: 表面貼裝
封裝/外殼: 48-BSSOP(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 48-SSOP
包裝: 帶卷 (TR)
配用: 576-1010-ND - BOARD EVAL EXPERIMENT KS8721SL
其它名稱: KS8721SLTR
May 2004
15
M9999-051704
KS8721BL/SL
Micrel
Auto-Crossover (Auto-MDI/MDI-X)
Automatic MDI/MDI-X configuration is intended to eliminate the need for crossover cables between similar devices. The
assignment of pinouts for a 10/100 BASE-T crossover function cable is shown below.
This feature eliminates the confusion in applications by allowing the use of both straight and crossover cables. This feature
is controlled by register 1f:13. See “Register 1fh–100BASE-TX PHY Controller” section for details.
Receive Pair
Transmit Pair
Receive Pair
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Transmit Pair
10/100 BASE-T
Media Dependent Interface
Modular Connector
(RJ45)
NIC
Modular Connector
(RJ45)
HUB
(Repeater or Switch)
10/100 BASE-T
Media Dependent Interface
Figure 1. Straight Through Cable
Receive Pair
Transmit Pair
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Transmit Pair
Modular Connector (RJ45)
HUB
(Repeater or Switch)
Modular Connector (RJ45)
HUB
(Repeater or Switch)
10/100 BASE-T
Media Dependent Interface
10/100 BASE-T
Media Dependent Interface
Figure 2. Crossover Cable
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