?? pc.v
字號:
/**************************************************************************************** MODULE: Sub Level Program Counter Block FILE NAME: pc.v VERSION: 1.0 DATE: September 28th, 2001 AUTHOR: Hossein Amidi COMPANY: California Unique Electrical Co. CODE TYPE: Register Transfer Level Instantiations: DESCRIPTION: Sub Level RTL Program Counter block Hossein Amidi (C) September 2001 California Unique Electric***************************************************************************************/ `timescale 1ns / 1psmodule PC ( // Input clock, reset, PCInEn, PCDataIn, // Output PCDataOut );// Parameterparameter AddrWidth = 24;// Inputsinput clock;input reset;input PCInEn;input [AddrWidth - 1 : 0] PCDataIn;// Outputsoutput [AddrWidth - 1 : 0] PCDataOut;// Signal Declerationsreg [AddrWidth - 1 : 0] PCDataOut;// Main Blockalways @ (posedge reset or negedge clock)begin if(reset == 1'b1) PCDataOut <= 24'h000; else if (PCInEn == 1'b1) PCDataOut <= PCDataIn; else PCDataOut <= PCDataOut;endendmodule
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