// This is super basic. Not anywhere near to complete!!! `timescale 1 ns / 1 ps module IDELAYE2 (CNTVALUEOUT, DATAOUT, C, CE, CINVCTRL, CNTVALUEIN, DATAIN, IDATAIN, INC, LD, LDPIPEEN, REGRST); parameter CINVCTRL_SEL = "FALSE"; parameter DELAY_SRC = "IDATAIN"; parameter HIGH_PERFORMANCE_MODE = "FALSE"; parameter IDELAY_TYPE = "FIXED"; parameter integer IDELAY_VALUE = 0; parameter [0:0] IS_C_INVERTED = 1'b0; parameter [0:0] IS_DATAIN_INVERTED = 1'b0; parameter [0:0] IS_IDATAIN_INVERTED = 1'b0; parameter PIPE_SEL = "FALSE"; parameter real REFCLK_FREQUENCY = 200.0; parameter SIGNAL_PATTERN = "DATA"; output [4:0] CNTVALUEOUT; output reg DATAOUT; input C; input CE; input CINVCTRL; input [4:0] CNTVALUEIN; input DATAIN; input IDATAIN; input INC; input LD; input LDPIPEEN; input REGRST; // To get a bit more than 360 degree range localparam real TAP_DEL = (1.0 / REFCLK_FREQUENCY * 1000 / 31); // assign DATAOUT = IDATAIN; reg [4:0] cntValue = 5'h0; assign CNTVALUEOUT = cntValue; always @(posedge C) begin if(LD) begin cntValue <= CNTVALUEIN; end end // verilator lint_save // verilator lint_off BLKSEQ reg [31:0] shiftReg = 32'h0; always begin #(TAP_DEL); shiftReg = { shiftReg[30:0], IDATAIN }; DATAOUT = shiftReg[cntValue]; end // verilator lint_restore endmodule // IDELAYE2