The TCD can select between three different clock sources that can be prescaled.
There are three different prescalers with separate controls as shown below. Figure 22-2. Clock Selection and Prescalers
Overview
The TCD synchronizer clock is separate from the other module clocks enabling
faster synchronization between the TCD domain and the I/O domain. The total prescaling
for the counter is:
The delay prescaler is used to prescale the clock used for the input
blanking/delayed event output functionality. The prescaler can be configured
independently allowing separate range and accuracy settings from the counter
functionality.
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