Counter

Integer counter that increments on a configurable trigger (rising edge / falling edge / level). Optional reset port. Useful for event counting and frequency division.

Category: Discrete

Keywords: count, increment, tick, edge, accumulate, tally

Ports

Name	Direction	Value type	Notes
clock	input	int	Visible when trigger == 1
out	output	int

Parameters

Name	Label	Type	Default	Units	Description
initial_value	n₀	int	0	—	Initial count value (the count starts here at t=0).
trigger	Trigger	enum (Every time step / External clock / Internal clock)	0	—	What causes the count to increment.
frequency	f (Hz)	double	1	—	Internal-clock frequency. The count increments every 1/f seconds.

Used in samples

• Multirate Counter

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Implemented in C++ class SimCompCtlCounter (components/control/CSim_comp_ctl_counter/sim_comp_ctl_counter.h).