add aditional modules for start/stop

and for up down counter
2020-04-13 00:25:43 +03:00
parent 9a6c90c0b2
commit 45652812e3
7 changed files with 149 additions and 32 deletions
@@ -0,0 +1,28 @@
+///////////////////////////// 
+// Author - Imants Pulkstenis
+// Date - 24.03.2020
+// Project name - Lab work No2 - Counter
+// Module name - SR latch module for counter
+//
+// Detailed module description:
+//
+// This is SR latch for swoching
+// between UP or DOWN counting
+//
+// Revision:
+// A - initial design
+// B - 
+// 
+//
+/////////////////////////////
+module sr_latch(
+        input wire S, R, C,
+        output reg Q, notQ
+    );
+
+always@(S, R, C, Q, notQ)
+    if(C) begin
+        Q <= (~R & Q) | S;
+        Q <= (~S & Q) | R;
+    end
+endmodule