(a)Draw the state transition diagram described by the VHDL of Figure Q4The VHDL of Figure Q4 is part of a digital system used to confirm thevalidity of a personal identification number. cach keypress rasing theKEYPRESS signal and placing the value of the key pressed on DATA. State theproperties of a legal personal identification number.(b)architecture behavior of confinrm istype state is (COUNT, RELAX, REPORT)signal PRESENT STATE: state;sgnal ISUM: UNSIGNED (3 downto 0) 0000variable ICOUNT: UNSIGNED (3 cownto O 00:0:%beginprocess (CLK, RESET)beginit RESET-0 thenPRESENT STATE <= COUNT, CONFIRM <=0eisit (CLK'event and CLK='1n thenCONFIRM c0"case state iswhen COUNT >I KEYPRESS=1then ICOUNT ICOUNT +1:ISUM c ISUM DATAPRESENT STATE e RELAX.elsif VERIFY-1 then PRESsENT STATEc= REPORT:elseend if,when RELAX=>if KEYPRESS-1then PRESENT STATE RELAX:PRESENT STATE COUNTPRESENT STATE COUNTelseend itwhen REPORT =>if (ISUM-1 and ICOUNT-4) then CONFIRM c1end ifVERIFY=1' then PRESENT STATE REPORTelsePRESENT STATE PRESENT STATE <= COUNT CONFIRM c 0end case:end itend process;end behavior,Figure Q4

Draw the ate transition diagram described by the VHDIL

Answered: Draw the state transition diagram…

Draw the state transition diagram described by the VHDL of Figure Q4

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

Similar questions

1. Design a combinational circuit with four input lines (W,X,Y,Z) that represent a decimal digit in BCD and four output lines (F1,F2,F3,F4) that generates the 9's complement of the input digit А. Obtain its truth table В. Draw the corresponding K-MAP C. draw the equivalent circuit
Given the sequential circuit, derive the state table and state diagram. X Cik FFO K Q' FF1
Design a logic circuit using NAND gates only that converts (2231)BCD code to 4-bit Gray code?
3. Discuss the working of 2-input NMOS NOR gate in brief using circuit diagram an truth table.
b) Given a sequential circuit in Figure Q4b. Determine the next state equations, state table, state diagram, function that the circuit perform and revise the circuit by using T Flip Flops. SET SET Q K CLR Q K CLR Q CLK Figure Q4b
Q=A.C + B.D Realize and plot the expression with NAND gates.
Create a circuit for detecting 1110 in a sequential machine. In the process draw the state diagram for overlapping,transition table, k-map and finally the circuit diagram.
Subject: Digital Logic Design
Simplify the following Boolean functions with the Karnaugh map and tabulation method, then construct the logic circuit, truth table, and timing diagram. F(A, B, C, D) -E (2, 9, 10, 11, 13, 14, 15) Input timing diagram: A: B : C: D: F: ? 01 2 3 4 5 6 7 8 9
Provide state table, state equations for following moore state diagram: