You can use CLKUSR pin as the clock source for Intel® Cyclone® 10 GX device configuration and initialization. CLKUSR pin can also be used for configuration and transceiver calibration simultaneously.
|Configuration Scheme||Supported Clock Source for Device Configuration||Supported Clock Source for Device Initialization||Supported CLKUSR Frequency for Transceiver Calibration|
|AS||Internal Oscillator||Internal Oscillator||100 to 125 MHz|
|PS||DCLK only||Internal Oscillator, CLKUSR, DCLK||100 to 125 MHz|
|FPP (x8, x16, x32)|
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