// SPDX-FileCopyrightText: 2022 Johannes Kepler University, Institute for | |
// Integrated Circuits (H. Pretl, L. Blagojevic, M. Esen, K. Freinberger, | |
// M. Golser, M. Hackl, A. Hinterdorfer, O. Kara, D. Kellerer, P. Kotek, | |
// J. Mayrhofer, M. Meingast, T. Pankratz, J. Ratschenberger, R. Reddy.Mitta, | |
// P. Schmidt, S. Seidl, I. Shala, M. Zöbl) | |
// | |
// Licensed under the Apache License, Version 2.0 (the "License"); | |
// you may not use this file except in compliance with the License. | |
// You may obtain a copy of the License at | |
// | |
// http://www.apache.org/licenses/LICENSE-2.0 | |
// | |
// Unless required by applicable law or agreed to in writing, software | |
// distributed under the License is distributed on an "AS IS" BASIS, | |
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
// See the License for the specific language governing permissions and | |
// limitations under the License. | |
// SPDX-License-Identifier: Apache-2.0 | |
`ifndef _DAC_DSMOD_ | |
`define _DAC_DSMOD_ | |
`include "stud_fifo_master.v" | |
`include "stud_ds_modulator.v" | |
module stud_dac_dsmod #(parameter AUDIO_WIDTH = 16, VOLUME_WIDTH = 8,FIFO_LENGTH = 128, WB_DATA_WIDTH = 32, WB_SEL_WIDTH = 4, SYNC_LEN = 2)( | |
`ifdef USE_POWER_PINS | |
inout vccd1, | |
inout vssd1, | |
`endif | |
input [AUDIO_WIDTH-1:0] fifo_i, | |
input [3:0] test_sine_psc_i, | |
input fifo_rdy_i, rst_n_i, clk_i, test_mode_i, | |
output fifo_ack_o, fifo_full_o, fifo_empty_o, | |
output ds_o, ds_n_o, | |
input [1:0] osr_i, | |
input mute_i, mode_i, | |
input [VOLUME_WIDTH - 1 : 0] volume_i | |
); | |
wire [AUDIO_WIDTH-1:0] data; | |
wire audio_rd; | |
stud_fifo_master #(FIFO_LENGTH, AUDIO_WIDTH, WB_DATA_WIDTH, WB_SEL_WIDTH, SYNC_LEN) DUT( | |
.fifo_i(fifo_i), | |
.test_sine_psc_i(test_sine_psc_i), | |
.fifo_rdy_i(fifo_rdy_i), | |
.audio_rd_i(audio_rd), | |
.rst_n_i(rst_n_i), | |
.clk_i(clk_i), | |
.test_mode_i(test_mode_i), | |
.fifo_ack_o(fifo_ack_o), | |
.fifo_full_o(fifo_full_o), | |
.fifo_empty_o(fifo_empty_o), | |
.audio_o(data) | |
); | |
stud_ds_modulator #(.AUDIO_WIDTH(AUDIO_WIDTH), .VOLUME_WIDTH(VOLUME_WIDTH)) modulator( | |
.clk_i(clk_i), | |
.rst_n_i(rst_n_i), | |
.audio_i(data), | |
.mode_i(mode_i), | |
.osr_i(osr_i), | |
.mute_i(mute_i), | |
.volume_i(volume_i), | |
.audio_rd(audio_rd), | |
.ds_o(ds_o), | |
.ds_n_o(ds_n_o) | |
); | |
endmodule | |
`endif | |