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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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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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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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);
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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
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);
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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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);
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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_4 (
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.O(ext_pad_i[4]), // Buffer output
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.IO(io_pins[4]), // Buffer inout port (connect directly to top-level port)
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.I(ext_pad_o[4]), // Buffer input
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.T(~ext_pad_oe[4]) // 3-state enable input
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);
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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_5 (
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.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
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.T(~ext_pad_oe[5]) // 3-state enable input
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);
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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_6 (
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.O(ext_pad_i[6]), // Buffer output
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.IO(io_pins[6]), // Buffer inout port (connect directly to top-level port)
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.I(ext_pad_o[6]), // Buffer input
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.T(~ext_pad_oe[6]) // 3-state enable input
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);
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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_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)
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.I(ext_pad_o[7]), // Buffer input
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.T(~ext_pad_oe[7]) // 3-state enable input
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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_0 (
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.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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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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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_2 (
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.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
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)IBUF_inst_3 (
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.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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);
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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_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 (
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.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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/* 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
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)IBUF_inst_6 (
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.O(ext_pad_i[14]), // Buffer output
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.I(i_pins[6]) // Buffer input (connect directly to top-level port)
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);
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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_7 (
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.O(ext_pad_i[15]), // Buffer output
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.I(i_pins[7]) // Buffer input (connect directly to top-level port)
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);
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endmodule
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