docu

1 files changed, 3 insertions, 0 deletions

diff --git a/debounce.v b/debounce.v
index 704a588..014f7c4 100644
--- a/debounce.v
+++ b/debounce.v
@@ -5,6 +5,9 @@ module debounce (
   output reg signal_o
 );
 
+// number of rising clock edges a signal needs to be stable
+// for it to be output.
+// (+1 for propagation).
 parameter STABLE_PERIOD = 50;
 parameter INIT_SIG_STATE = 1'b1;