26.4.3.2 Internal Timer/Counter Visibility

When PTGIVIS = 1 during PTG operation, reads of the PTGTxLIM, PTGCxLIM and PTGSDLIM registers return the values of internal counters used to implement the respective timer/counter functionality, instead of the Limit register values. This allows the user to monitor the operation of a timer/counter.

Note: In order to reliably read the internal registers while the PTG is running, the PTG clock source must be the same as the CPU instruction clock (F_CY).

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