Intel Arria 10 FPGA User Manual

Figure 29. Si5338 (U14) Tab
Control Description
F_vco Displays the generating signal value of the voltage-controlled oscillator.
Registers Display the current frequencies for each oscillator.
Frequency (MHz) Allows you to specify the frequency of the clock.
Disable all Disable all oscillators at once.
Read Reads the current frequency setting for the oscillator associated with the active
tab.
Default Sets the frequency for the oscillator associated with the active tab back to its
default value. This can also be accomplished by power cycling the board.
Set New Freq Sets the programmable oscillator frequency for the selected clock to the value in
the CLK0 to CLK3 controls for the Si5338 (U26 and U14). Frequency changes
might take several milliseconds to take effect. You might see glitches on the clock
during this time. Altera recommends resetting the FPGA logic after changing
frequencies.
Import Reg Map Import register map file generated from Silicon Laboratories ClockBuilder
Desktop.
4. Board Test System
683526 | 2023.07.12
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10 FPGA Development Kit User Guide
51

Intel Arria 10 FPGA Specifications

General

Brand	Intel
Model	Arria 10 FPGA
Category	Microcontrollers
Language	English