mor1kx-bemicrocv/ip/altera/ddr3/ddr3_p0_generic_ddio.v

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2016-08-04 19:22:38 +02:00
// (C) 2001-2015 Altera Corporation. All rights reserved.
// Your use of Altera Corporation's design tools, logic functions and other
// software and tools, and its AMPP partner logic functions, and any output
// files any of the foregoing (including device programming or simulation
// files), and any associated documentation or information are expressly subject
// to the terms and conditions of the Altera Program License Subscription
// Agreement, Altera MegaCore Function License Agreement, or other applicable
// license agreement, including, without limitation, that your use is for the
// sole purpose of programming logic devices manufactured by Altera and sold by
// Altera or its authorized distributors. Please refer to the applicable
// agreement for further details.
`timescale 1 ps / 1 ps
module ddr3_p0_generic_ddio(
datain,
halfratebypass,
dataout,
clk_hr,
clk_fr
);
parameter WIDTH = 1;
localparam DATA_IN_WIDTH = 4 * WIDTH;
localparam DATA_OUT_WIDTH = WIDTH;
input [DATA_IN_WIDTH-1:0] datain;
input halfratebypass;
input [WIDTH-1:0] clk_hr;
input [WIDTH-1:0] clk_fr;
output [DATA_OUT_WIDTH-1:0] dataout;
generate
genvar pin;
for (pin = 0; pin < WIDTH; pin = pin + 1)
begin:acblock
wire fr_data_hi;
wire fr_data_lo;
cyclonev_ddio_out
#(
.half_rate_mode("true"),
.use_new_clocking_model("true"),
.async_mode("none")
) hr_to_fr_hi (
.datainhi(datain[pin * 4]),
.datainlo(datain[pin * 4 + 2]),
.dataout(fr_data_hi),
.clkhi (clk_hr[pin]),
.clklo (clk_hr[pin]),
.hrbypass(halfratebypass),
.muxsel (clk_hr[pin])
);
cyclonev_ddio_out
#(
.half_rate_mode("true"),
.use_new_clocking_model("true"),
.async_mode("none")
) hr_to_fr_lo (
.datainhi(datain[pin * 4 + 1]),
.datainlo(datain[pin * 4 + 3]),
.dataout(fr_data_lo),
.clkhi (clk_hr[pin]),
.clklo (clk_hr[pin]),
.hrbypass(halfratebypass),
.muxsel (clk_hr[pin])
);
cyclonev_ddio_out
#(
.async_mode("none"),
.half_rate_mode("false"),
.sync_mode("none"),
.use_new_clocking_model("true")
) ddio_out (
.datainhi(fr_data_hi),
.datainlo(fr_data_lo),
.dataout(dataout[pin]),
.clkhi (clk_fr[pin]),
.clklo (clk_fr[pin]),
.muxsel (clk_fr[pin])
);
end
endgenerate
endmodule