KS8001L Просмотр технического описания (PDF) - Micrel
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KS8001L Datasheet PDF : 46 Pages
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Micrel
KSZ8001
HP 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 pin-outs for a 10/100 BASE-T crossover function cable is shown below.
This feature can eliminate the confusion in real applications by allowing both straight cable and crossover cables. This feature is
controlled by register 1f:13, see “Register 1fh” section for details.
S tra ig h t T h ro u g h C a b le
1 0 /1 0 0 B a s e -T
M e d ia D e p e n d e n t In te rfa c e
1 0 /1 0 0 B a s e -T
M e d ia D e p e n d e n t In te rfa c e
1
T ra n s m it P a ir
2
3
4
R e c e iv e P a ir
5
6
7
8
1
R e c e iv e P a ir
2
3
4
T ra n s m it P a ir
5
6
7
8
M o d u la r C o n n e c to r
(R J45)
N IC
M o d u la r C o n n e c to r
(R J45)
HUB
(R e p e a te r o r S w itc h )
C ro s s o v e r C a b le
1 0 /1 0 0 B A S E -T
M e d ia D e p e n d e n t In te rfa c e
10/100 B ase -T
M e d ia D e p e n d e n t In te rfa c e
1
R e c e iv e P a ir
2
3
4
T ra n s m it P a ir
5
6
7
8
1
R e c e iv e P a ir
2
3
4
T ra n s m it P a ir
5
6
7
8
M o d u la r C o n n e c to r (R J 4 5 )
HUB
(R e p e a te r o r S w itc h )
M o d u la r C o n n e c to r (R J 4 5 )
HUB
(R e p e a te r o r S w itc h )
June 2009
Revision 1.04
21
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