Problem 11670

	Time	Memory

Description

Modify your 2-digit BCD counter to model a 2-digit pingpong counter.

You have to increase/decrease your counter only by pressing the count button.

You must download exam1_C.v and modify it.

Do not change the input and output signals.

Note: exam1_A -- https://acm.cs.nthu.edu.tw/problem/11668/

exam1_B -- https://acm.cs.nthu.edu.tw/problem/11669/

Announcement -- https://acm.cs.nthu.edu.tw/problem/11671/

Input

Output

Sample Input Download

// This is exam1_C.v

`timescale 1ns / 1ps

module LED7SEG(DIGIT, DISPLAY, clk, BCD1, BCD0);
input       clk;
input [3:0] BCD1;
input [3:0] BCD0;
output reg [3:0] DIGIT;
output     [6:0] DISPLAY;

reg [3:0]   value;

    always @ ( posedge clk) begin
        // add your design here
    end

    assign DISPLAY = (value==4'd0) ? 7'b0000001 :
                     (value==4'd1) ? 7'b1001111 :
                     (value==4'd2) ? 7'b0010010 :
                     (value==4'd3) ? 7'b0000110 :
                     (value==4'd4) ? 7'b1001100 :
                     (value==4'd5) ? 7'b0100100 :
                     (value==4'd6) ? 7'b0100000 :
                     (value==4'd7) ? 7'b0001111 :
                     (value==4'd8) ? 7'b0000000 : 
                     (value==4'd9) ? 7'b0000100 :
                                     7'b1111111 ;

endmodule

module clock_divider (clk, clk_div, rst);
    input  clk,rst;
    output clk_div;
    parameter n = 13;
    
    // add your design here

endmodule

module debounce(clk, push_button, button_debounce);
    input  clk, push_button;
    output button_debounce;

    // add your design here

endmodule

module onepulse(clk, button_debounce, one_pulse);
    input  clk, button_debounce;
    output one_pulse;

    // add your design here

endmodule

module exam1_C (DIGIT, DISPLAY, max, min, count, reset, clk);

    input reset;
    input clk;
    input count;
    output [3:0] DIGIT; 
    output [6:0] DISPLAY; 
    output max;
    output min;

// add your design here

endmodule

Sample Output Download

// This is exam1_C.xdc

set_property IOSTANDARD LVCMOS33 [get_ports {DIGIT[2]}]
set_property IOSTANDARD LVCMOS33 [get_ports {DIGIT[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {DIGIT[0]}]
set_property IOSTANDARD LVCMOS33 [get_ports {DIGIT[3]}]
set_property IOSTANDARD LVCMOS33 [get_ports {DISPLAY[6]}]
set_property IOSTANDARD LVCMOS33 [get_ports {DISPLAY[5]}]
set_property IOSTANDARD LVCMOS33 [get_ports {DISPLAY[4]}]
set_property IOSTANDARD LVCMOS33 [get_ports {DISPLAY[3]}]
set_property IOSTANDARD LVCMOS33 [get_ports {DISPLAY[2]}]
set_property IOSTANDARD LVCMOS33 [get_ports {DISPLAY[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {DISPLAY[0]}]
set_property PACKAGE_PIN W4 [get_ports {DIGIT[3]}]
set_property PACKAGE_PIN V4 [get_ports {DIGIT[2]}]
set_property PACKAGE_PIN U4 [get_ports {DIGIT[1]}]
set_property PACKAGE_PIN U2 [get_ports {DIGIT[0]}]
set_property PACKAGE_PIN W7 [get_ports {DISPLAY[6]}]
set_property PACKAGE_PIN W6 [get_ports {DISPLAY[5]}]
set_property PACKAGE_PIN U8 [get_ports {DISPLAY[4]}]
set_property PACKAGE_PIN V8 [get_ports {DISPLAY[3]}]
set_property PACKAGE_PIN U5 [get_ports {DISPLAY[2]}]
set_property PACKAGE_PIN V5 [get_ports {DISPLAY[1]}]
set_property PACKAGE_PIN U7 [get_ports {DISPLAY[0]}]
set_property IOSTANDARD LVCMOS33 [get_ports clk]
set_property IOSTANDARD LVCMOS33 [get_ports count]
set_property IOSTANDARD LVCMOS33 [get_ports max]
set_property IOSTANDARD LVCMOS33 [get_ports min]
set_property IOSTANDARD LVCMOS33 [get_ports reset]
set_property PACKAGE_PIN W5 [get_ports clk]
set_property PACKAGE_PIN T18 [get_ports count]
set_property PACKAGE_PIN U18 [get_ports reset]
set_property PACKAGE_PIN U16 [get_ports max]
set_property PACKAGE_PIN E19 [get_ports min]

11670 - Hardware_Design_exam1_C

Description

Input

Output

Sample Input Download

Sample Output Download

Tags

Discuss

11670 - Hardware_Design_exam1_C

Limits

Description

Input

Output

Sample Input Download

Sample Output Download

Tags

Discuss