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[/] [minsoc/] [trunk/] [utils/] [contributions/] [gpio/] [rtl/] [minsoc_spartan_3a_starter_kit_ios.v] - Rev 93
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////////////////////////////////////////////////////////////////////////////////// // Company: // Engineer: // // Create Date: 11:51:27 10/29/2009 // Design Name: // Module Name: minsoc_spartan_3a_starter_kit_ios // Project Name: // Target Devices: // Tool versions: // Description: // // Dependencies: // // Revision: // Revision 0.01 - File Created // Additional Comments: // ////////////////////////////////////////////////////////////////////////////////// module minsoc_spartan_3a_starter_kit_ios ( // Signals from GPIO Core ext_pad_o, ext_pad_oe, ext_pad_i, // Signals driving external pins i_pins, o_pins, io_pins ); parameter gpio_num = 32; parameter i_line_num = 8; parameter o_line_num = 8; parameter io_line_num= 8; input [gpio_num-1:0] ext_pad_o; input [gpio_num-1:0] ext_pad_oe; output [gpio_num-1:0] ext_pad_i; input [i_line_num-1:0] i_pins; output [o_line_num-1:0] o_pins; inout [io_line_num-1:0] io_pins; IOBUF #( .DRIVE(12), // Specify the output drive strength .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only) .IOSTANDARD("DEFAULT"), // Specify the I/O standard .SLEW("SLOW") // Specify the output slew rate ) IOBUF_inst_0 ( .O(ext_pad_i[0]), // Buffer output .IO(io_pins[0]), // Buffer inout port (connect directly to top-level port) .I(ext_pad_o[0]), // Buffer input .T(~ext_pad_oe[0]) // 3-state enable input ); IOBUF #( .DRIVE(12), // Specify the output drive strength .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only) .IOSTANDARD("DEFAULT"), // Specify the I/O standard .SLEW("SLOW") // Specify the output slew rate ) IOBUF_inst_1 ( .O(ext_pad_i[1]), // Buffer output .IO(io_pins[1]), // Buffer inout port (connect directly to top-level port) .I(ext_pad_o[1]), // Buffer input .T(~ext_pad_oe[1]) // 3-state enable input ); IOBUF #( .DRIVE(12), // Specify the output drive strength .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only) .IOSTANDARD("DEFAULT"), // Specify the I/O standard .SLEW("SLOW") // Specify the output slew rate ) IOBUF_inst_2 ( .O(ext_pad_i[2]), // Buffer output .IO(io_pins[2]), // Buffer inout port (connect directly to top-level port) .I(ext_pad_o[2]), // Buffer input .T(~ext_pad_oe[2]) // 3-state enable input ); IOBUF #( .DRIVE(12), // Specify the output drive strength .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only) .IOSTANDARD("DEFAULT"), // Specify the I/O standard .SLEW("SLOW") // Specify the output slew rate ) IOBUF_inst_3 ( .O(ext_pad_i[3]), // Buffer output .IO(io_pins[3]), // Buffer inout port (connect directly to top-level port) .I(ext_pad_o[3]), // Buffer input .T(~ext_pad_oe[3]) // 3-state enable input ); IOBUF #( .DRIVE(12), // Specify the output drive strength .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only) .IOSTANDARD("DEFAULT"), // Specify the I/O standard .SLEW("SLOW") // Specify the output slew rate ) IOBUF_inst_4 ( .O(ext_pad_i[4]), // Buffer output .IO(io_pins[4]), // Buffer inout port (connect directly to top-level port) .I(ext_pad_o[4]), // Buffer input .T(~ext_pad_oe[4]) // 3-state enable input ); IOBUF #( .DRIVE(12), // Specify the output drive strength .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only) .IOSTANDARD("DEFAULT"), // Specify the I/O standard .SLEW("SLOW") // Specify the output slew rate ) IOBUF_inst_5 ( .O(ext_pad_i[5]), // Buffer output .IO(io_pins[5]), // Buffer inout port (connect directly to top-level port) .I(ext_pad_o[5]), // Buffer input .T(~ext_pad_oe[5]) // 3-state enable input ); IOBUF #( .DRIVE(12), // Specify the output drive strength .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only) .IOSTANDARD("DEFAULT"), // Specify the I/O standard .SLEW("SLOW") // Specify the output slew rate ) IOBUF_inst_6 ( .O(ext_pad_i[6]), // Buffer output .IO(io_pins[6]), // Buffer inout port (connect directly to top-level port) .I(ext_pad_o[6]), // Buffer input .T(~ext_pad_oe[6]) // 3-state enable input ); IOBUF #( .DRIVE(12), // Specify the output drive strength .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for the buffer, "0"-"16" (Spartan-3E only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input register, "AUTO", "0"-"8" (Spartan-3E only) .IOSTANDARD("DEFAULT"), // Specify the I/O standard .SLEW("SLOW") // Specify the output slew rate ) IOBUF_inst_7 ( .O(ext_pad_i[7]), // Buffer output .IO(io_pins[7]), // Buffer inout port (connect directly to top-level port) .I(ext_pad_o[7]), // Buffer input .T(~ext_pad_oe[7]) // 3-state enable input ); IBUF #( .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for // the buffer, "0"-"16" (Spartan-3E/3A only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input // register, "AUTO", "0"-"8" (Spartan-3E/3A only) .IOSTANDARD("DEFAULT") // Specify the input I/O standard )IBUF_inst_0 ( .O(ext_pad_i[8]), // Buffer output .I(i_pins[0]) // Buffer input (connect directly to top-level port) ); IBUF #( .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for // the buffer, "0"-"16" (Spartan-3E/3A only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input // register, "AUTO", "0"-"8" (Spartan-3E/3A only) .IOSTANDARD("DEFAULT") // Specify the input I/O standard )IBUF_inst_1 ( .O(ext_pad_i[9]), // Buffer output .I(i_pins[1]) // Buffer input (connect directly to top-level port) ); IBUF #( .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for // the buffer, "0"-"16" (Spartan-3E/3A only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input // register, "AUTO", "0"-"8" (Spartan-3E/3A only) .IOSTANDARD("DEFAULT") // Specify the input I/O standard )IBUF_inst_2 ( .O(ext_pad_i[10]), // Buffer output .I(i_pins[2]) // Buffer input (connect directly to top-level port) ); IBUF #( .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for // the buffer, "0"-"16" (Spartan-3E/3A only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input // register, "AUTO", "0"-"8" (Spartan-3E/3A only) .IOSTANDARD("DEFAULT") // Specify the input I/O standard )IBUF_inst_3 ( .O(ext_pad_i[11]), // Buffer output .I(i_pins[3]) // Buffer input (connect directly to top-level port) ); IBUF #( .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for // the buffer, "0"-"16" (Spartan-3E/3A only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input // register, "AUTO", "0"-"8" (Spartan-3E/3A only) .IOSTANDARD("DEFAULT") // Specify the input I/O standard )IBUF_inst_4 ( .O(ext_pad_i[12]), // Buffer output .I(i_pins[4]) // Buffer input (connect directly to top-level port) ); IBUF #( .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for // the buffer, "0"-"16" (Spartan-3E/3A only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input // register, "AUTO", "0"-"8" (Spartan-3E/3A only) .IOSTANDARD("DEFAULT") // Specify the input I/O standard )IBUF_inst_5 ( .O(ext_pad_i[13]), // Buffer output .I(i_pins[5]) // Buffer input (connect directly to top-level port) ); /* PUSH Button NORTH is RESET. IBUF #( .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for // the buffer, "0"-"16" (Spartan-3E/3A only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input // register, "AUTO", "0"-"8" (Spartan-3E/3A only) .IOSTANDARD("DEFAULT") // Specify the input I/O standard )IBUF_inst_6 ( .O(ext_pad_i[14]), // Buffer output .I(i_pins[6]) // Buffer input (connect directly to top-level port) ); */ IBUF #( .IBUF_DELAY_VALUE("0"), // Specify the amount of added input delay for // the buffer, "0"-"16" (Spartan-3E/3A only) .IFD_DELAY_VALUE("AUTO"), // Specify the amount of added delay for input // register, "AUTO", "0"-"8" (Spartan-3E/3A only) .IOSTANDARD("DEFAULT") // Specify the input I/O standard )IBUF_inst_7 ( .O(ext_pad_i[15]), // Buffer output .I(i_pins[7]) // Buffer input (connect directly to top-level port) ); endmodule
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