參數(shù)資料
型號: KSZ8841-16MBLI
廠商: Micrel Inc
文件頁數(shù): 30/105頁
文件大小: 0K
描述: IC MAC CTRLR 8/16BIT 100-LBGA
標(biāo)準(zhǔn)包裝: 260
控制器類型: 以太網(wǎng)控制器,MAC
接口: 總線
電源電壓: 3.1 V ~ 3.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 100-LBGA
供應(yīng)商設(shè)備封裝: 100-LFBGA
包裝: 散裝
Micrel, Inc.
KSZ8841-16/32 MQL/MVL/MBL
October 2007
30
M9999-102207-1.6
The IEEE 802.3u standard MDI and MDI-X definitions are:
MDI
MDI-X
RJ45 Pins
Signals
RJ45 Pins
Signals
1
TD+
1
RD+
2
TD-
2
RD-
3
RD+
3
TD+
6
RD-
6
TD-
Table 1. MDI/MDI-X Pin Definitions
Straight Cable
A straight cable connects an MDI device to an MDI-X device or an MDI-X device to an MDI device. The following diagram
shows a typical straight cable connection between a network interface card (NIC) and a chip (MDI), or hub (MDI-X).
R e c
e
iv
e
P a ir
T r a n s
m
i t P a ir
R ec
e
iv
e
P a ir
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
T r a n s
m
it P a ir
(R J
-
4 5 )
N IC
S tr a ig h t
C ab le
1 0 / 1 0 0 E t he r n et
M e d ia D e p en d e n t I n te r fa c
e
1 0 / 10 0 E t h e rn e t
M e d ia D ep e n d en t I n t e rf a c
e
M o du la r C o nn e c
t
o r
(R J
-
4 5 )
H U B
(R e p e at e r o r S w itc
h
)
M o d ul ar C o n n e c
t
o r
Figure 7. Typical Straight Cable Connection
Crossover Cable
A crossover cable connects an MDI device to another MDI device, or an MDI-X device to another MDI-X device. The
following diagram shows a typical crossover cable connection between two chips or hubs (two MDI-X devices).
Receive Pair
Transmit Pair
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Transmit Pair
10/100 Ethernet
Media Dependent Interface
10/100 Ethernet
Media Dependent Interface
Modular Connector (RJ-45)
HUB
(Repeater or Switch)
Modular Connector (RJ-45)
HUB
(Repeater or Switch)
Crossover
Cable
Figure 8. Typical Crossover Cable Connection
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