The following is the

datapath block diagram of a keypad encoder system for a billing system.

Write the VHDL code for the port-mapping of

the keypad encoder system. 

NB: Only the VHDL code for the port mapping aspect is needed.

The Basys 3 is an entry-level FPGA development board designed exclusively for the AMD Vivado Design Suite featuring the AMD Artix 7 FPGA architecture. Basys 3 is the newest addition to the popular Basys line of FPGA development boards for students or beginners just getting started with FPGA technology. List the steps required in implementing a digital electronic system using VHDL and the Basys3 toolkit.

Read Only Memory (ROM) called CEDRIX_XT has a 3-bit input ADDRESS and a 3-bit output DATA_OUT. CEDRIX_XT has truth table as follows:

Write

the complete code for the VHDL Test Bench required for behavioural simulation

of

The entity of IETA _UNIT is given below:

entity A

  Port(CLK : B;

       RESET : C

       G_IN : D

       D_OUT : E;

       TC : F;

       WT : G);

end H

Letters

A,B,C,D,E,F,G,H are used in place of required syntax for the entity of

Seana was asked to convert (100011010111.111001010011)₂

to Hexadecimal number representation format. She gave the correct solution. Her

solution was replaced with letters U,V,W,X,Y,Z as shown below:

(0011100011010111.11100101)₂ = (UVWX.YZ)₁₆

Identify the letters U,V,W,X,Y,Z  

Randy was asked to convert (19.25)₁₀

to binary number representation format. He gave the correct solution. Parts of

his solution are shown below:                                      

Conversion of (19)₁₀ to binary

Conversion of (.25)₁₀ to binary

Hence 19.25₁₀

= (a

Derive the

Signed Magnitude for the number -7

Using the IEEE 754 floating-point standard for 32-bit numbers, determine the correct floating point representation for +(11001.001)₂.          

The Boolean expression for an

output

Q(A,B,C,D) = (A+D’)’ + B’(CD’)’

Use

De Morgans’s Theorem to convert the expression for