Reference schematics, Magnetics integrated into rj-45 receptacle, Com express interfaces – Kontron COMe Starterkit Eval T2 User Manual
Page 73: Picmg, Com express
COM Express Interfaces
2.7.2.
Reference Schematics
2.7.2.1.
Magnetics Integrated Into RJ-45 Receptacle
Figure 26:
Magnetics Integrated Into RJ-45 Receptacle
PICMG
®
COM Express
®
Carrier Board Design Guide
Rev. 2.0 / December 6, 2013
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G B E 0 _ L IN K 1 0 0 #
G B E 0 _ L IN K 1 0 0 0 #
V C C _ 3 V 3 _ S B Y
V C C _ 3 V 3 _ S B Y
V C C _ 3 V 3 _ S B Y
V C C _ 3 V 3 _ S B Y
V C C _ 3 V 3
V C C _ 3 V 3 _ S B Y
C E X
G B E 0 _ M D I3 -
C E X
G B E 0 _ M D I3 +
C E X
G B E 0 _ L IN K 1 0 0 0 #
C E X
G B E 0 _ M D I0 +
C E X
G B E 0 _ M D I0 -
C E X
G B E 0 _ C T R E F
C E X
G B E 0 _ L IN K 1 0 0 #
C E X
G B E 0 _ M D I1 +
C E X
G B E 0 _ M D I1 -
C E X
G B E 0 _ M D I2 -
C E X
G B E 0 _ M D I2 +
C E X
G B E 0 _ A C T #
C E X
G B E 0 _ L IN K #
N o te : C o n n e c tio n b e tw e e n lo g ic G N D a n d
c h a s s is d e p e n d s o n g ro u n d in g a rc h ite c tu re .
C o n n e c t G N D w ith c h a s s is o n a s in g le p o in t
e v e n th is c o n n e c tio n is d ra w n o n a ll s c h e m a tic
e x a m p le s th ro u g h o u t th is d o c u m e n t.
N o te : A C T -L E D d e s ig n e d fo r fo llo w in g S o u rc e c a s e s :
1 ) G B E 0 _ L IN K # a c tiv e o n L IN K 1 0 /1 0 0 /1 0 0 0 , G B E 0 _ A C T # a c tiv e o n a c tiv ity
2 ) G B E 0 _ L IN K # a c tiv e o n L IN K 1 0 , G B E 0 _ A C T # a c tiv e o n a c tiv ity
3 ) G B E 0 _ L IN K # a c tiv e o n L IN K 1 0 /1 0 0 /1 0 0 0 , G B E 0 _ A C T # in v e rte d
c o p y o f G B E 0 _ L IN K # a n d b lin k s o n a c tiv ity
R 1 7 7
1 0 k
C 1 6 4
1 0 0 n
3
4
G R N
O R N
1
2
5
Y E L
6
8
7
A C T IV IT Y L E D
L IN K S P E E D L E D S
J 2 4
R J 4 5 W IT H IN T E G R A T E D M A G N E T IC S
3
4
G R N
O R N
1
2
5
Y E L
6
8
7
A C T IV IT Y L E D
L IN K S P E E D L E D S
U 1 8
74LV C 125
O E #
1
A
2
G N D
3
Y
4
V C C
5
C 1 6 3
1 0 0 n
U 1 4 0 8 A
74LV C 126
2
3
1
U 1 4 0 6 A
74LV C 11
1
2
1 3
1 2
U 1 7
74LV C 125
O E #
1
A
2
G N D
3
Y
4
V C C
5
C 1 6 2
1 0 0 n
R 1 2 9
1 0 k
F B 9 2
5 0 -O h m s @ 1 0 0 M H z 3 A
U 1 4 0 7 A
74LV C 10
1
2
1 3
1 2
R 1 2 8
1 0 k
R 1 2 7
1 0 k
C 1 6 0
1 0 0 n
C 1 6 1
1 0 0 n
R 110
100
R 111
100