diff --git a/ucsb2.json b/ucsb2.json
index 84a4094..d24504c 100644
--- a/ucsb2.json
+++ b/ucsb2.json
@@ -9,6 +9,7 @@
         {
             "type": "dio",
             "ports": [0],
+            "edge_counter": true,
             "bank_direction_low": "input",
             "bank_direction_high": "output"
         },
diff --git a/ucsb3.json b/ucsb3.json
index 8eefb13..f95c663 100644
--- a/ucsb3.json
+++ b/ucsb3.json
@@ -9,6 +9,7 @@
         {
             "type": "dio",
             "ports": [0],
+            "edge_counter": true,
             "bank_direction_low": "input",
             "bank_direction_high": "output"
         },