gowin_rpll.v

//Copyright (C)2014-2022 Gowin Semiconductor Corporation.
//All rights reserved.
//File Title: IP file
//Device: GW2AR-18C
//Created Time: Fri May 06 23:06:50 2022

module Gowin_rPLL_nes (clkout, clkoutp, lock, reset, clkin);

output wire clkout;
output wire clkoutp;
output wire lock;
input wire reset;
input wire clkin;

wire clkoutp_o;
wire clkoutd_o;
wire clkoutd3_o;
wire gw_gnd;

assign gw_gnd = 1'b0;

rPLL rpll_inst (
    .CLKOUT(clkout),
    .LOCK(lock),
    .CLKOUTP(clkoutp),
    .CLKOUTD(clkoutd_o),
    .CLKOUTD3(clkoutd3_o),
    .RESET(reset),
    .RESET_P(gw_gnd),
    .CLKIN(clkin),
    .CLKFB(gw_gnd),
    .FBDSEL({gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd}),
    .IDSEL({gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd}),
    .ODSEL({gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd}),
    .PSDA({gw_gnd,gw_gnd,gw_gnd,gw_gnd}),
    .DUTYDA({gw_gnd,gw_gnd,gw_gnd,gw_gnd}),
    .FDLY({gw_gnd,gw_gnd,gw_gnd,gw_gnd})
);

// 27 Mhz. This is NESTang main clock frequency
defparam rpll_inst.FBDIV_SEL = 1;
defparam rpll_inst.IDIV_SEL = 1;
defparam rpll_inst.ODIV_SEL = 32;

// 54 Mhz. You can go up to 66Mhz under current timing parameters
//defparam rpll_inst.FBDIV_SEL = 1;
//defparam rpll_inst.IDIV_SEL = 0;
//defparam rpll_inst.ODIV_SEL = 16;

defparam rpll_inst.FCLKIN = "27";
defparam rpll_inst.DYN_IDIV_SEL = "false";
defparam rpll_inst.DYN_FBDIV_SEL = "false";
defparam rpll_inst.DYN_ODIV_SEL = "false";
defparam rpll_inst.PSDA_SEL = "1010";
defparam rpll_inst.DYN_DA_EN = "false";
defparam rpll_inst.DUTYDA_SEL = "1000";
defparam rpll_inst.CLKOUT_FT_DIR = 1'b1;
defparam rpll_inst.CLKOUTP_FT_DIR = 1'b1;
defparam rpll_inst.CLKOUT_DLY_STEP = 0;
defparam rpll_inst.CLKOUTP_DLY_STEP = 0;
defparam rpll_inst.CLKFB_SEL = "internal";
defparam rpll_inst.CLKOUT_BYPASS = "false";
defparam rpll_inst.CLKOUTP_BYPASS = "false";
defparam rpll_inst.CLKOUTD_BYPASS = "false";
defparam rpll_inst.DYN_SDIV_SEL = 2;
defparam rpll_inst.CLKOUTD_SRC = "CLKOUT";
defparam rpll_inst.CLKOUTD3_SRC = "CLKOUT";
defparam rpll_inst.DEVICE = "GW2AR-18C";

endmodule //Gowin_rPLL