Crocus CNV Step-by-step configuration
User manual 61
5.3.3 The presence of the external clock signal
The presence or absence of an external clock signal may influence the clocking mode that is actually
chosen by the Crocus CNV. This section explains how.
All interfaces supporting the external clock signal, regularly check the presence of this external clock
signal. The following table clarifies what happens when no external clock signal is present or when it is
lost:
If the Crocus CNV is
configured in …
and if the external clock signal is not present or if it is lost,
a preferred clocking mode, then the Crocus CNV automatically switches to alternative clocking
mode.
If at a certain moment the external clock signal (re)appears, the Crocus
CNV switches (back) to the preferred clocking mode.
external clocking mode, then the Crocus CNV automatically switches to internal alternative
clocking mode.
If at a certain moment the external clock signal (re)appears, the Crocus
CNV switches (back) to external clocking mode.
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