SMA Connectors (Differential)
A high-precision clock signal can be provided to the FPGA using differential clock signals
through the onboard 50-ohm SMA connectors J38 (N) and J41 (P).
Table 1-9: SP605 Clock Source Connections
8. Multi-Gigabit Transceivers (GTP MGTs)
The SP605 provides access to 4 MGTs.
•
•
•
•
The SP605 includes a set of six SMA connectors for the GTP (MGT) RX/TX Port and GTP
(MGT) Clock as described in
SP605 Hardware User Guide
UG526 (v1.1.1) February 1, 2010
Source
U1 FPGA Pin
U6 200MHZ OSC
X2 27MHZ OSC
USER_SMA_CLOCK
SMA Connectors
One (1) MGT is wired to the PCIe x1 Endpoint (P4) edge connector fingers
One (1) MGT is wired to the FMC LPC connector (J2)
One (1) MGT is wired to MGT SMA connectors (J36, J37)
One (1) MGT is wired to the SFP Module connector (P4)
www.xilinx.com
Schematic Net Name
K22
SYSCLK_N
K21
SYSCLK_P
AB13
USER_CLOCK
M19
USER_SMA_CLOCK_N
M20
USER_SMA_CLOCK_P
Figure 1-10
and
Table
1-10.
Detailed Description
Pin
Pin Name
Number
5
OUT_B
4
OUT
5
OUT
J38.1
–
J41.1
–
25
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