没用过XILINX的软件，知道的说说 这段代码输出是哪些时钟？ module MyDCM(CLKIN_IN,
RST_IN,
CLKFX_OUT,
CLKFX180_OUT,
CLK0_OUT,
CLK2X_OUT); input CLKIN_IN;
input RST_IN;
output CLKFX_OUT;
output CLKFX180_OUT;
output CLK0_OUT;
output CLK2X_OUT;
wire CLKFB_IN;
wire CLKFX_BUF;
wire CLKFX180_BUF;
wire CLK0_BUF;
wire CLK2X_BUF;
wire GND_BIT;
assign GND_BIT = 0;
assign CLK0_OUT = CLKFB_IN;
BUFG CLKFX_BUFG_INST (.I(CLKFX_BUF),
.O(CLKFX_OUT));
BUFG CLKFX180_BUFG_INST (.I(CLKFX180_BUF),
.O(CLKFX180_OUT));
BUFG CLK0_BUFG_INST (.I(CLK0_BUF),
.O(CLKFB_IN));
BUFG CLK2X_BUFG_INST (.I(CLK2X_BUF),
.O(CLK2X_OUT));
DCM_SP DCM_SP_INST (.CLKFB(CLKFB_IN),
.CLKIN(CLKIN_IN),
.DSSEN(GND_BIT),
.PSCLK(GND_BIT),
.PSEN(GND_BIT),
.PSINCDEC(GND_BIT),
.RST(RST_IN),
.CLKDV(),
.CLKFX(CLKFX_BUF),
.CLKFX180(CLKFX180_BUF),
.CLK0(CLK0_BUF),
.CLK2X(CLK2X_BUF),
.CLK2X180(),
.CLK90(),
.CLK180(),
.CLK270(),
.LOCKED(),
.PSDONE(),
.STATUS());
defparam DCM_SP_INST.CLK_FEEDBACK = "1X";
defparam DCM_SP_INST.CLKDV_DIVIDE = 2.0;
defparam DCM_SP_INST.CLKFX_DIVIDE = 25;
defparam DCM_SP_INST.CLKFX_MULTIPLY = 12;
defparam DCM_SP_INST.CLKIN_DIVIDE_BY_2 = "FALSE";
defparam DCM_SP_INST.CLKIN_PERIOD = 10.000;
defparam DCM_SP_INST.CLKOUT_PHASE_SHIFT = "NONE";
defparam DCM_SP_INST.DESKEW_ADJUST = "SYSTEM_SYNCHRONOUS";
defparam DCM_SP_INST.DFS_FREQUENCY_MODE = "LOW";
defparam DCM_SP_INST.DLL_FREQUENCY_MODE = "LOW";
defparam DCM_SP_INST.DUTY_CYCLE_CORRECTION = "TRUE";
defparam DCM_SP_INST.FACTORY_JF = 16'hC080;
defparam DCM_SP_INST.PHASE_SHIFT = 0;
defparam DCM_SP_INST.STARTUP_WAIT = "FALSE"; | 
