The Intel 8085 is an 8-bit microprocessor introduced by Intel in 1976. It remains a foundational cornerstone in computer science and electronics engineering curricula worldwide. When students, educators, and engineers look for definitive educational material on this architecture, the name stands out. His textbook, "Microprocessor Architecture, Programming, and Applications with the 8085," is the definitive authority on the subject.
) that can function independently or combine into 16-bit pairs ( ) to hold memory addresses.
Maskable, vectored interrupt (high level triggered).
The commands (Set Interrupt Mask) and RIM (Read Interrupt Mask) program and monitor these maskable interrupts. Suggested Slide Layout for a PPT Presentation
Generates accurate time delays and square waves. microprocessor 8085 ppt by gaonkar new
Microprocessor 8085 PPT by Gaonkar: Ultimate Presentation & Study Guide
: Employs 8-bit device addresses via IN and OUT instructions. Provides a total capacity of 256 input and 256 output devices. Does not waste memory space.
Set if the result contains an even number of 1s.
Interrupts signal the processor to pause its current execution and handle an urgent external event. The 8085 handles five hardware interrupts, ordered here from highest priority to lowest: The Intel 8085 is an 8-bit microprocessor introduced
These commands alter the sequential execution flow of the Program Counter, allowing loops, conditional jumps, and subroutines.
Conclusion and learning path Start with Gaonkar’s PPT/chapters on architecture and instruction set, practice assembly programs on an 8085 simulator, then move to interfacing labs (8255, 8259). Use timing diagrams to understand machine cycles and bus control for hardware interfacing.
Classification of the Instruction Set (Data Transfer, Arithmetic, Logic, etc.)
A general-purpose, line-triggered, maskable interrupt. It is non-vectored, meaning an external device must manually supply the execution jump address onto the data bus during the interrupt acknowledge cycle ( INTA¯modified cap I cap N cap T cap A with bar above Software Interrupts The commands (Set Interrupt Mask) and RIM (Read
: An 8-bit processor with a 16-bit address bus, capable of addressing 64 KB of memory. Programming Model
: Detailed look at the Accumulator (A), General Purpose Registers (B, C, D, E, H, L), Program Counter, and Stack Pointer.
Microprocessor 8085: Architecture, Programming, and Applications (Based on Gaonkar)