diff --git a/interface2/rtl/coax_rx.v b/interface2/rtl/coax_rx.v
index f6d3f84..9c144d5 100644
--- a/interface2/rtl/coax_rx.v
+++ b/interface2/rtl/coax_rx.v
@@ -34,8 +34,8 @@ module coax_rx (
     reg [3:0] state = IDLE;
     reg [3:0] next_state;
     reg [3:0] previous_state;
-    reg [3:0] state_counter;
-    reg [3:0] next_state_counter;
+    reg [7:0] state_counter;
+    reg [7:0] next_state_counter;
 
     reg previous_rx;
 
diff --git a/interface2/rtl/pins.pcf b/interface2/rtl/pins.pcf
index 9ed275a..edf75b2 100644
--- a/interface2/rtl/pins.pcf
+++ b/interface2/rtl/pins.pcf
@@ -21,16 +21,16 @@ set_io --warn-no-port rx_error H1 # 11
 #set_io --warn-no-port rx_data_read J1 # 12
 
 # Shared data bus
-#set_io --warn-no-port data[9] B6 # 23
-#set_io --warn-no-port data[8] A7
-#set_io --warn-no-port data[7] B7
-#set_io --warn-no-port data[6] A8
-#set_io --warn-no-port data[5] B8
-#set_io --warn-no-port data[4] A9
-#set_io --warn-no-port data[3] C9
-#set_io --warn-no-port data[2] D8
-#set_io --warn-no-port data[1] D9
-#set_io --warn-no-port data[0] H9 # 14
+set_io --warn-no-port data[9] B6 # 23
+set_io --warn-no-port data[8] A7
+set_io --warn-no-port data[7] B7
+set_io --warn-no-port data[6] A8
+set_io --warn-no-port data[5] B8
+set_io --warn-no-port data[4] A9
+set_io --warn-no-port data[3] C9
+set_io --warn-no-port data[2] D8
+set_io --warn-no-port data[1] D9
+set_io --warn-no-port data[0] H9 # 14
 
 set_io --warn-no-port debug H2 # 13
 
diff --git a/interface2/rtl/top.v b/interface2/rtl/top.v
index 0330eee..229f37b 100644
--- a/interface2/rtl/top.v
+++ b/interface2/rtl/top.v
@@ -8,6 +8,9 @@ module top (
     output rx_active,
     output rx_error,
 
+    // Shared data bus
+    inout [9:0] data,
+
     input reset,
     output debug,
 
@@ -40,6 +43,8 @@ module top (
         rx_1 <= rx_0;
     end
 
+    wire [9:0] rx_data;
+
     coax_rx #(
         .CLOCKS_PER_BIT(16)
     ) coax_rx (
@@ -47,9 +52,12 @@ module top (
         .rx(rx_1),
         .reset(reset),
         .active(rx_active),
-        .error(rx_error)
+        .error(rx_error),
+        .data(rx_data)
     );
 
+    assign data = rx_data;
+
     assign debug = rx_1;
 
     assign usb_pu = 0;