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KC705 Evaluation Board
35
UG810 (v1.3) May 10, 2013
Feature Descriptions
lists the SFP+ module RX and TX connections to the FPGA.
X-Ref Target - Figure 1-17
Figure 1-17:
SFP+ Module Connector
UG
8
10_c1_16_0
3
201
3
GND12
GND1
GND2
GND
3
GND4
GND5
GND6
GND7
GND
8
GND9
GND10
TD_N
TD_P
VCCT
VCCR
RD_P
RD_N
LO
S
VEET_
3
VEET_2
VEER_
3
VEER_1
VEER_2
VEET_1
R
S
0
R
S
1
MOD_AB
S
S
CL
S
DA
TX_DI
S
ABLE
TX_FAULT
GND11
2-
3
: LOW BW TX
2-
3
: LOW BW RX
1-2: FULL BW RX
S
FP En
ab
le
1-2: FULL BW TX
S
FP_R
S
1
S
FP_VCCT
3
2
21
22
2
3
24
25
26
27
2
8
29
3
0
19
1
8
16
15
1
3
12
8
20
17
14
10
11
1
7
9
6
5
4
3
2
3
1
P5
S
FP+ Mod
u
le
Connector
74441-0010
S
FP_LO
S
S
FP_TX_FAULT
S
FP_IIC_
S
DA
S
FP_IIC_
S
CL
S
FP_RX_P
S
FP_RX_N
S
FP_TX_P
S
FP_TX_DI
S
ABLE_TRAN
S
S
FP_R
S
0
3
2
1
J27
J2
8
1
2
J4
HDR_1X2
S
FP_MOD_DETECT
1
J9
S
FP_TX_N
S
FP_VCCR
R552
4.7K
Ω
L4
4.7
μ
H
3
.0 A
VCC
3
V
3
C2
8
0.1
μ
F
GND
VCC
3
V
3
L
3
4.7
μ
H
3
.0 A
C5
8
7
22
μ
F
C29
0.1
μ
F
C55
22
μ
F
GND
1
Q2
ND
S33
1N
460 mW
S
FP_TX_DI
S
ABLE
3
2
R
3
7
4.7K
Ω
VCC
3
V
3
GND
R
3
6
4.7K
Ω
R40
4.7K
Ω
R41
4.7K
Ω
1
J10
1
HDR_1X1
J
8
HDR_1X
3
R551
4.7K
Ω
VCC
3
V
3
VCC
3
V
3
GND
GND
1
2
3
Table 1-14:
FPGA U1 to SFP+ Module Connections
FPGA Pin
(U1)
Schematic
Net Name
SFP+ Pin
(P5)
SFP+ Pin Name
(P5)
G4
SFP_RX_N
12
RD_N
G3
SFP_RX_P
13
RD_P
H1
SFP_TX_N
19
TX_N
H2
SFP_TX_P
18