Alinx AX7A200 Manual page 15

ARTIX-7 FPGA Development Board AX7A200 User Manual
Part 2.3.2: 125MHz Active Differential Crystal
G2 in Figure 2-3-3 is the 125MHz active differential crystal, which is the
reference input clock provided to the GTP module inside the FPGA. The crystal
output is connected to the GTP BANK216 clock pins MGTREFCLK0P (F6) and
MGTREFCLK0N (E6) of the FPGA.
Figure 2-3-3: 125MHz Active Differential Crystal Schematic
Figure 2-3-4: 125MHz Active Differential Crystal on the Core Board
125MHz Differential Clock Pin Assignment
MGT_CLK0_P
MGT_CLK0_N
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