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[/] [minsoc/] [branches/] [rc-1.0/] [utils/] [contributions/] [gpio/] [rtl/] [minsoc_spartan_3a_starter_kit_ios.v] - Blame information for rev 111

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Line No. Rev Author Line
1 40 rfajardo 
//////////////////////////////////////////////////////////////////////////////////
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// Company:
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// Engineer:
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//
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// Create Date:    11:51:27 10/29/2009
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// Design Name:
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// Module Name:    minsoc_spartan_3a_starter_kit_ios
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// Project Name:
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// Target Devices:
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// Tool versions:
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// Description:
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//
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// Dependencies:
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//
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// Revision:
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// Revision 0.01 - File Created
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// Additional Comments:
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//
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//////////////////////////////////////////////////////////////////////////////////
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module minsoc_spartan_3a_starter_kit_ios
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(
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    // Signals from GPIO Core
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    ext_pad_o,
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    ext_pad_oe,
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    ext_pad_i,
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         // Signals driving external pins
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    i_pins,
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    o_pins,
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    io_pins
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);
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         parameter gpio_num = 32;
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         parameter i_line_num = 8;
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         parameter o_line_num = 8;
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         parameter io_line_num= 8;
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    input  [gpio_num-1:0] ext_pad_o;
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    input  [gpio_num-1:0] ext_pad_oe;
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    output [gpio_num-1:0] ext_pad_i;
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    input  [i_line_num-1:0] i_pins;
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    output [o_line_num-1:0] o_pins;
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    inout  [io_line_num-1:0] io_pins;
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46 
         IOBUF #(
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      .DRIVE(12), // Specify the output drive strength
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      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only)
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      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only)
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      .IOSTANDARD("DEFAULT"), // Specify the I/O standard
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      .SLEW("SLOW") // Specify the output slew rate
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    ) IOBUF_inst_0 (
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          .O(ext_pad_i[0]),     // Buffer output
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          .IO(io_pins[0]),   // Buffer inout port (connect directly to top-level port)
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          .I(ext_pad_o[0]),     // Buffer input
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          .T(~ext_pad_oe[0])      // 3-state enable input
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    );
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59 
         IOBUF #(
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      .DRIVE(12), // Specify the output drive strength
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      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only)
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      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only)
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      .IOSTANDARD("DEFAULT"), // Specify the I/O standard
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      .SLEW("SLOW") // Specify the output slew rate
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    ) IOBUF_inst_1 (
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          .O(ext_pad_i[1]),     // Buffer output
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          .IO(io_pins[1]),   // Buffer inout port (connect directly to top-level port)
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          .I(ext_pad_o[1]),     // Buffer input
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          .T(~ext_pad_oe[1])      // 3-state enable input
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    );
71 
 
72 
         IOBUF #(
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      .DRIVE(12), // Specify the output drive strength
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      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only)
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      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only)
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      .IOSTANDARD("DEFAULT"), // Specify the I/O standard
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      .SLEW("SLOW") // Specify the output slew rate
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    ) IOBUF_inst_2 (
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          .O(ext_pad_i[2]),     // Buffer output
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          .IO(io_pins[2]),   // Buffer inout port (connect directly to top-level port)
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          .I(ext_pad_o[2]),     // Buffer input
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          .T(~ext_pad_oe[2])      // 3-state enable input
83 
    );
84 
 
85 
         IOBUF #(
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      .DRIVE(12), // Specify the output drive strength
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      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only)
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      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only)
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      .IOSTANDARD("DEFAULT"), // Specify the I/O standard
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      .SLEW("SLOW") // Specify the output slew rate
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    ) IOBUF_inst_3 (
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          .O(ext_pad_i[3]),     // Buffer output
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          .IO(io_pins[3]),   // Buffer inout port (connect directly to top-level port)
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          .I(ext_pad_o[3]),     // Buffer input
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          .T(~ext_pad_oe[3])      // 3-state enable input
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    );
97 
 
98 
         IOBUF #(
99 
      .DRIVE(12), // Specify the output drive strength
100 
      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only)
101 
      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only)
102 
      .IOSTANDARD("DEFAULT"), // Specify the I/O standard
103 
      .SLEW("SLOW") // Specify the output slew rate
104 
    ) IOBUF_inst_4 (
105 
          .O(ext_pad_i[4]),     // Buffer output
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          .IO(io_pins[4]),   // Buffer inout port (connect directly to top-level port)
107 
          .I(ext_pad_o[4]),     // Buffer input
108 
          .T(~ext_pad_oe[4])      // 3-state enable input
109 
    );
110 
 
111 
         IOBUF #(
112 
      .DRIVE(12), // Specify the output drive strength
113 
      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only)
114 
      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only)
115 
      .IOSTANDARD("DEFAULT"), // Specify the I/O standard
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      .SLEW("SLOW") // Specify the output slew rate
117 
    ) IOBUF_inst_5 (
118 
          .O(ext_pad_i[5]),     // Buffer output
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          .IO(io_pins[5]),   // Buffer inout port (connect directly to top-level port)
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          .I(ext_pad_o[5]),     // Buffer input
121 
          .T(~ext_pad_oe[5])      // 3-state enable input
122 
    );
123 
 
124 
         IOBUF #(
125 
      .DRIVE(12), // Specify the output drive strength
126 
      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only)
127 
      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only)
128 
      .IOSTANDARD("DEFAULT"), // Specify the I/O standard
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      .SLEW("SLOW") // Specify the output slew rate
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    ) IOBUF_inst_6 (
131 
          .O(ext_pad_i[6]),     // Buffer output
132 
          .IO(io_pins[6]),   // Buffer inout port (connect directly to top-level port)
133 
          .I(ext_pad_o[6]),     // Buffer input
134 
          .T(~ext_pad_oe[6])      // 3-state enable input
135 
    );
136 
 
137 
         IOBUF #(
138 
      .DRIVE(12), // Specify the output drive strength
139 
      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only)
140 
      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only)
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      .IOSTANDARD("DEFAULT"), // Specify the I/O standard
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      .SLEW("SLOW") // Specify the output slew rate
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    ) IOBUF_inst_7 (
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          .O(ext_pad_i[7]),     // Buffer output
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          .IO(io_pins[7]),   // Buffer inout port (connect directly to top-level port)
146 
          .I(ext_pad_o[7]),     // Buffer input
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          .T(~ext_pad_oe[7])      // 3-state enable input
148 
    );
149 
 
150 
 
151 
         IBUF #(
152 
      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for                                //   the buffer, "0"-"16" (Spartan-3E/3A only)
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      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input                                //   register, "AUTO", "0"-"8" (Spartan-3E/3A only)
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      .IOSTANDARD("DEFAULT")    // Specify the input I/O standard
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    )IBUF_inst_0 (
156 
      .O(ext_pad_i[8]),     // Buffer output
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      .I(i_pins[0])      // Buffer input (connect directly to top-level port)
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    );
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160 
         IBUF #(
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      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for                                //   the buffer, "0"-"16" (Spartan-3E/3A only)
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      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input                                //   register, "AUTO", "0"-"8" (Spartan-3E/3A only)
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      .IOSTANDARD("DEFAULT")    // Specify the input I/O standard
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    )IBUF_inst_1 (
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      .O(ext_pad_i[9]),     // Buffer output
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      .I(i_pins[1])      // Buffer input (connect directly to top-level port)
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    );
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169 
         IBUF #(
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      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for                                //   the buffer, "0"-"16" (Spartan-3E/3A only)
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      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input                                //   register, "AUTO", "0"-"8" (Spartan-3E/3A only)
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      .IOSTANDARD("DEFAULT")    // Specify the input I/O standard
173 
    )IBUF_inst_2 (
174 
      .O(ext_pad_i[10]),     // Buffer output
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      .I(i_pins[2])      // Buffer input (connect directly to top-level port)
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    );
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         IBUF #(
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      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for                                //   the buffer, "0"-"16" (Spartan-3E/3A only)
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      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input                                //   register, "AUTO", "0"-"8" (Spartan-3E/3A only)
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      .IOSTANDARD("DEFAULT")    // Specify the input I/O standard
182 
    )IBUF_inst_3 (
183 
      .O(ext_pad_i[11]),     // Buffer output
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      .I(i_pins[3])      // Buffer input (connect directly to top-level port)
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    );
186 
 
187 
         IBUF #(
188 
      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for                                //   the buffer, "0"-"16" (Spartan-3E/3A only)
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      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input                                //   register, "AUTO", "0"-"8" (Spartan-3E/3A only)
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      .IOSTANDARD("DEFAULT")    // Specify the input I/O standard
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    )IBUF_inst_4 (
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      .O(ext_pad_i[12]),     // Buffer output
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      .I(i_pins[4])      // Buffer input (connect directly to top-level port)
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    );
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         IBUF #(
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      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for                                //   the buffer, "0"-"16" (Spartan-3E/3A only)
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      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input                                //   register, "AUTO", "0"-"8" (Spartan-3E/3A only)
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      .IOSTANDARD("DEFAULT")    // Specify the input I/O standard
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    )IBUF_inst_5 (
201 
      .O(ext_pad_i[13]),     // Buffer output
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      .I(i_pins[5])      // Buffer input (connect directly to top-level port)
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    );
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205 
         /* PUSH Button NORTH is RESET.
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         IBUF #(
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      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for                                //   the buffer, "0"-"16" (Spartan-3E/3A only)
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      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input                                //   register, "AUTO", "0"-"8" (Spartan-3E/3A only)
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      .IOSTANDARD("DEFAULT")    // Specify the input I/O standard
210 
    )IBUF_inst_6 (
211 
      .O(ext_pad_i[14]),     // Buffer output
212 
      .I(i_pins[6])      // Buffer input (connect directly to top-level port)
213 
    );
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         */
215 
 
216 
         IBUF #(
217 
      .IBUF_DELAY_VALUE("0"),   // Specify the amount of added input delay for                                //   the buffer, "0"-"16" (Spartan-3E/3A only)
218 
      .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input                                //   register, "AUTO", "0"-"8" (Spartan-3E/3A only)
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      .IOSTANDARD("DEFAULT")    // Specify the input I/O standard
220 
    )IBUF_inst_7 (
221 
      .O(ext_pad_i[15]),     // Buffer output
222 
      .I(i_pins[7])      // Buffer input (connect directly to top-level port)
223 
    );
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endmodule

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