Changeset 13 for trunk/PaellaBase

Timestamp:

Aug 28, 2009, 11:49:22 PM (15 years ago)

Author:

demin

Message:

fix pin directions

File:

• trunk/PaellaBase/Paella.v (modified) (2 diffs)

trunk/PaellaBase/Paella.v

@@ -17 +17 @@
                 input   wire                    ADC_DD,
 
-                inout   wire                    USB_SLDR, 
-                inout   wire                    USB_SLWR,
-                inout   wire                    USB_IFCLK,
-                inout   wire                    USB_FLAGA,
-                inout   wire                    USB_FLAGB,
+                output  wire                    USB_SLRD, 
+                output  wire                    USB_SLWR,
+                input   wire                    USB_IFCLK,
+                input   wire                    USB_FLAGA,
+                input   wire                    USB_FLAGB,
                 input   wire                    USB_FLAGC,
                 inout   wire    [7:0]   USB_PA,
                 inout   wire    [7:0]   USB_PB,
 
-                inout   wire                    RAM_CLK,
-                inout   wire                    RAM_CE1,
-                inout   wire                    RAM_WE,
+                output  wire                    RAM_CLK,
+                output  wire                    RAM_CE1,
+                output  wire                    RAM_WE,
                 output  wire    [19:0]  RAM_ADDR,
                 inout   wire                    RAM_DQAP,
@@ -36 +36 @@
         );
         
+        //      Turn off all output ports
+        assign  USB_SLRD        =       1'b0;
+        assign  USB_SLWR        =       1'b0;
+        assign  RAM_CLK         =       1'b0;
+        assign  RAM_CE1         =       1'b0;
+        assign  RAM_WE          =       1'b0;
+
+        //      All inout ports turn to tri-state
+        assign  TRG                     =       4'bz;
+        assign  CON_A           =       7'bz;
+        assign  CON_B           =       17'bz;
+        assign  CON_C           =       12'bz;
+        assign  USB_PA          =       8'bz;
+        assign  USB_PB          =       8'bz;
+        assign  RAM_DQAP        =       1'bz;
+        assign  RAM_DQA         =       8'bz;
+        assign  RAM_DQBP        =       1'bz;
+        assign  RAM_DQB         =       8'bz;
+
         reg             [31:0]  counter;
         
-        assign  LED             =       counter[25];
+        assign  LED                     =       counter[25];
 
         always @ (posedge CLK_50MHz)