Abstract:
The thesis has introduced a Digital Systems Design Using Computer Aided Design (DSDUCAD) tool, which is the process of simulation software that models the behavior of a circuit containing any mix of digital devices and download software which down load the design into the PLD, which mentioned as top down design methodology.
The main objective of this thesis is to design and simulate digital system using CAD tools. For this purpose, digital system modules were designed using MAX+PLUSII software. VHDL is used to write a code to describe the structure of a module using three examples of (a decoder, a multiplexer and a full-adder).A simulation for these modules, is also performed to obtain the result. Furthermore the design files were loaded to the CPLD chip through the serial port of the PC, using a download software (DNL82). Also the designs were tested and found the same results were obtained.
