Screenshot 2024-02-15 103256

png

School

Arizona State University *

*We aren’t endorsed by this school

Course

333

Subject

Electrical Engineering

Date

Nov 24, 2024

Type

png

Pages

1

Uploaded by kho2120915

Report
e Q_|Qo_T Q_Im_T Q_IQZ_T Q_|c13 >CLK Q@ CLK Q@ CLK Q pCLK Q' SEnR SEnR SEnR S EnR Aty 2At; 3At; Clock Figure 8.0.1: Asynchronous Counter In the asynchronous counter the output of each T flip-flop is fed into the clock of the next T flip-flop. It is asynchronous because the T flip-flops don't reference the same clock. The consequence is that the T flip-flop time delays Dty build up, limiting the usable clock frequency. As the delays add up near a clock period the counter fails. Section 8.1: Verilog Counter Implementation We can make a T flip-flop using Verilog and then build the synchronous or asynchronous counter designs. But that isn’t the most direct way to make a counter in Verilog. module counter #(parameter Size=4) (input clk, reset, enable, input [Size-1:0] MaxVal, output logic [Size-1:0] Count, output logic clkout):; localparam Zero = {Size{l'b0}}, One = {{Size-1{1'b0}},1'bl}; logic rst; always ff @ (posedge clk or posedge reset) if (reset||rst) Count <= Zero; else 1f (enable) Count <= Count + One;
Discover more documents: Sign up today!
Unlock a world of knowledge! Explore tailored content for a richer learning experience. Here's what you'll get:
  • Access to all documents
  • Unlimited textbook solutions
  • 24/7 expert homework help