CrossLink-NX Evaluation Board
User Guide
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FPGA-EB-02028-1.4
5.
CrossLink-NX Clock Sources
The CrossLink-NX Evaluation Board has three options for the CrossLink-NX clock sources:
Table 5.1. Clock Sources
Clock Frequency
Signal Name
CrossLink-NX Ball Location
Clock Source
Comments
12 MHz
12 MHz
L13
U1
JP2 installed. JP1 removed.
200 MHz
200 MHz/200 MHz_n
C12/ C11
U5
Insert R65 & R66, remove R54 & R56
125 MHz
125 MHz/125 MHz_n
C12/ C11
U4
Insert R54 & R56, remove R65 & R66
