EVB-LAN9252-DIG-IO Evalu
ation Board Schematics
2014
Microchip Technology Inc.
Prelimina
ry
D
S
5
0002332A-p
age 29
FIGURE B-4:
EVB-LAN9252-DIG-IO SCHEMATIC SFP INTERFACE
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Fiber Port 0 :SFP Interface
Fiber Port 1 :SFP Interface
Note:Place
capacitors,
and resistors
close to FOT
Note:Place
resistors
close to
ASIC
Note:Place
capacitors,
and resistors
close to FOT
Note:Place
resistors
close to
ASIC
SFP_VCCT
SFP_VCCR
SFP_
TD-
SFP_
TD+
SFP_
RD-
SFP_
RD+
SFP_VCCT2
SFP_VCCR2
SFP_
TD2
-
SFP_
TD2
+
SFP_
RD2
-
SFP_
RD2
+
SFP_VCCT
SFP_VCCT2
3V3
3V3
3V3
3V3
FXSDA/FXLOSA
FXSDB/FXLOSB
FX_SFP-TXPA
FX_SFP-RXNA
FX_SFP-RXPA
FX_SFP-TXNA
FX_SFP-RXNB
FX_SFP-RXPB
FX_SFP-TXPB
FX_SFP-TXNB
Size:
Part Number:
Rev
Date:
Sheet
of
Chennai
India
Project
Name:
Page:
Name:
Board
LAN9252-DIG-IO-EVB
B
B
6
9
Tuesday, October 21, 2014
LAN9252-DIG-IO-EVB
SFP Interface
EVB3-9252-DIG-I/O-RevB
Size:
Part Number:
Rev
Date:
Sheet
of
Chennai
India
Project
Name:
Page:
Name:
Board
LAN9252-DIG-IO-EVB
B
B
6
9
Tuesday, October 21, 2014
LAN9252-DIG-IO-EVB
SFP Interface
EVB3-9252-DIG-I/O-RevB
Size:
Part Number:
Rev
Date:
Sheet
of
Chennai
India
Project
Name:
Page:
Name:
Board
LAN9252-DIG-IO-EVB
B
B
6
9
Tuesday, October 21, 2014
LAN9252-DIG-IO-EVB
SFP Interface
EVB3-9252-DIG-I/O-RevB
+
C50
10uF
16V
DNP
C47
0.1uF
R49
130
C42
0.1uF
+
C48
10uF
16V
R56
4.7K
C39
0.1uF
C38
0.1uF
R50
130
L3
1uH
C44
0.1uF
C41
0.1uF
R57
4.7K
C49
0.1uF
+
C56
10uF
16V
R58
4.7K
C43
0.1uF
C40
0.1uF
R48
100
L1
1uH
R45
49.9
R59
4.7K
R41
49.9
C45
0.1uF
R46
49.9
C57
0.1uF
R42
49.9
R53
4.7K
L4
1uH
R54
4.7K
+
C52
10uF
16V
R44
82
R55
4.7K
R47
100
+
C54
10uF
16V
J3
FTLF1217P2
V
eeT
1
TXFa
u
lt
2
T
X
D
isabl
e
3
M
O
D-DEF
(2
)
4
M
O
D-DEF
(1
)
5
M
O
D-DEF
(0
)
6
Ra
te
Se
le
c
t
7
LO
S
8
V
eeR
9
V
eeR
1
10
V
eeR
3
11
V
eeR
2
14
RD-
12
RD+
13
Vc
c
R
15
Vc
c
T
16
V
eeT
2
17
TD
+
18
TD
-
19
V
eeT
1
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
C51
0.1uF
R43
82
L2
1uH
R60
4.7K
J2
FTLF1217P2
V
eeT
1
TXFa
u
lt
2
T
X
D
isabl
e
3
M
O
D-DEF
(2
)
4
M
O
D-DEF
(1
)
5
M
O
D-DEF
(0
)
6
Ra
te
Se
le
c
t
7
LO
S
8
V
eeR
9
V
eeR
1
10
V
eeR
3
11
V
eeR
2
14
RD-
12
RD+
13
V
ccR
15
Vc
c
T
16
V
eeT
2
17
TD
+
18
TD
-
19
V
eeT
1
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
R51
130
C53
0.1uF
C55
0.1uF
R40
82
+
C46
10uF
16V
DNP
R52
130
R39
82
