Configuration Clock Source
AS_CLK
Frequency (MHz)
50
71.5
100
125
166
Note:
The configuration fails if the firmware receives bitstream with an invalid
AS_CLK
setting. For firmware in Intel Quartus Prime
software version before 21.1, if
AS_CLK
is set incorrectly, the firmware defaults the
AS_CLK
frequency to 50 MHz to complete
the AS x4 configuration.
3.2.9. Active Serial Configuration Software Settings
You must set the parameters in the Device and Pin Options of the Intel Quartus Prime software when using the AS
configuration scheme.
To set the parameters for AS configuration scheme, complete the following steps:
1. On the Assignments menu, click Device.
2. In the Device and Pin Options select the Configuration category.
a. Select Active Serial x4 from the Configuration scheme drop down menu.
3. Intel Agilex Configuration Schemes
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Configuration User Guide
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