Configurable Debouncer

Intermediate

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Specification

01General Operation

The debouncer filters mechanical button bouncing. It waits for the input to remain stable for a configurable duration (default 20 ms) before updating the output.

Reset is asynchronous and active-high.

Generics g_clk_freq (default 100 MHz) and g_stable_ms (default 20 ms)

02Interface

i_clk

Direction: Input
Width: 1 bit
Description: System clock

i_reset

Direction: Input
Width: 1 bit
Description: Active-high async reset

i_btn

Direction: Input
Width: 1 bit
Description: Raw button signal

o_btn

Direction: Output
Width: 1 bit
Description: Filtered signal

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