The following table shows the maximum supported AS_CLK frequency for a range of capacitance loading values when using
multiple flash devices. The maximum AS_CLK frequency also depends on whether you use the OSC_CLK_1 or internal
oscillator as the clock source.
Table 26. Maximum AS_CLK Frequency as a Function of Board Capacitance Loading and Clock Source
Capacitance Loading (pF)
Maximum Supported AS_CLK (MHz)
OSC_CLK_1 (MHz) Internal Oscillator (MHz)
10 133/125 115
19 108 115
30 100 77
37 80 77
80 50 58
140 25 25
Related Information
• MSEL Settings on page 27
• Intel Agilex Device Data Sheet
3.2.4. AS Configuration Timing Parameters
Figure 37. AS Configuration Serial Output Timing Diagram
nCSO
AS_CLK
AS_DATA
OUT0 OUT1
OUTn
T
dcslst
T
dcsfrs
T
do (max)
T
do (min)
3. Intel Agilex Configuration Schemes
UG-20205 | 2019.10.09
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