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gowin: add a new type of PLL - PLLVR 

This primitive is used in the GW1NS-4, GW1NS-4C, GW1NSR-4, GW1NSR-4C and
GW1NSER-4C chips.

Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
This commit is contained in:
YRabbit 2023-01-11 11:41:29 +10:00
parent 7b476996df
commit d6a1e022e1
1 changed files with 47 additions and 0 deletions
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47
techlibs/gowin/cells_sim.v
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@ -1552,6 +1552,53 @@ parameter DEVICE = "GW1N-1"; // "GW1N-1", "GW1N-4", "GW1N-9", "GW1NR-4",
endmodule
(* blackbox *)
module PLLVR (CLKOUT, CLKOUTP, CLKOUTD, CLKOUTD3, LOCK, CLKIN, CLKFB, FBDSEL, IDSEL, ODSEL, DUTYDA, PSDA, FDLY, RESET, RESET_P, VREN);
input CLKIN;
input CLKFB;
input RESET;
input RESET_P;
input [5:0] FBDSEL;
input [5:0] IDSEL;
input [5:0] ODSEL;
input [3:0] PSDA,FDLY;
input [3:0] DUTYDA;
input VREN;
output CLKOUT;
output LOCK;
output CLKOUTP;
output CLKOUTD;
output CLKOUTD3;
parameter FCLKIN = "100.0"; // frequency of CLKIN
parameter DYN_IDIV_SEL= "false"; // true:IDSEL, false:IDIV_SEL
parameter IDIV_SEL = 0; // 0:1, 1:2 ... 63:64
parameter DYN_FBDIV_SEL= "false"; // true:FBDSEL, false:FBDIV_SEL
parameter FBDIV_SEL = 0; // 0:1, 1:2 ... 63:64
parameter DYN_ODIV_SEL= "false"; // true:ODSEL, false:ODIV_SEL
parameter ODIV_SEL = 8; // 2/4/8/16/32/48/64/80/96/112/128
parameter PSDA_SEL= "0000";
parameter DYN_DA_EN = "false"; // true:PSDA or DUTYDA or FDA, false: DA_SEL
parameter DUTYDA_SEL= "1000";
parameter CLKOUT_FT_DIR = 1'b1; // CLKOUT fine tuning direction. 1'b1 only
parameter CLKOUTP_FT_DIR = 1'b1; // 1'b1 only
parameter CLKOUT_DLY_STEP = 0; // 0, 1, 2, 4
parameter CLKOUTP_DLY_STEP = 0; // 0, 1, 2
parameter CLKFB_SEL = "internal"; // "internal", "external"
parameter CLKOUT_BYPASS = "false"; // "true", "false"
parameter CLKOUTP_BYPASS = "false"; // "true", "false"
parameter CLKOUTD_BYPASS = "false"; // "true", "false"
parameter DYN_SDIV_SEL = 2; // 2~128, only even numbers
parameter CLKOUTD_SRC = "CLKOUT"; // CLKOUT, CLKOUTP
parameter CLKOUTD3_SRC = "CLKOUT"; // CLKOUT, CLKOUTP
parameter DEVICE = "GW1NS-4"; // "GW1NS-4", "GW1NS-4C", "GW1NSR-4", "GW1NSR-4C", "GW1NSER-4C"
endmodule
(* blackbox *)
module OSC(OSCOUT);
output OSCOUT;