pumpdac.v

来自「FPGA verilog」· Verilog 代码 · 共 44 行

module PumpDAC
(
	DAC_CLK,
	OpMode,
	CURR_SET_Set,
	Pump_DacData, 
	Pump_DacOut, 
);
    `include "parameter.v"
	input 			DAC_CLK;
	input	[2:0]	OpMode;
	input	[11:0]	CURR_SET_Set;
	input 	[11:0] 	Pump_DacData;
	output 	[11:0] 	Pump_DacOut;


	reg 	[11:0] 	Pump_DacOut;
	
	reg		[11:0]	Q0;
	
	wire			ACCCtrl;
	wire			PumpDown;
	
	assign 	ACCCtrl = OpMode==ACC_MODE;
	assign 	PumpDown = OpMode==PD_MODE;
	
	always @(negedge DAC_CLK)
	begin
		Q0 <= Pump_DacData;
	end

	always @(negedge DAC_CLK)
	begin
		if (ACCCtrl)
			Pump_DacOut <= CURR_SET_Set;
		else if (PumpDown)
			Pump_DacOut <= 12'd0;
		else if (OpMode!=IDLE_MODE)
			Pump_DacOut <= Q0;
	end
	
endmodule