Introduction to microprocessors: Features,
Programmers model, external & internal organisation.
8085 Architecture: 8085 Architecture &
organisation, Instruction cycles, machine cycles and T-states, address decoding
techniques, minimum system design, Memory interfacing with timing
considerations, clock, reset & buffering circuits
8085 Instruction set : Instruction format,
addressing modes, classification of instruction set.
8085 Programming: Assembly language
programming:- basic structure, data transfer, arithmetical, logical, transfer of
control & miscellaneous instruction types.
Stack & subroutines: Stack operations,
limitations, subroutine concepts, parameter passing
techniques, subroutine design, delay subroutine
design & applications, Re-entrant & recursive subroutines, concept of
counters and timers.
I/O data transfer techniques : I/O
interface concepts, speed considerations, program controlled I/O, asynchronous
& synchronous I/O techniques interrupt driven program controlled I/O, direct
memory access data control techniques, handshake signals, concepts of serial
communication, matrix keyboard & multiplexed display interface.
Interrupts: Requirements, single level
interrupt, multilevel interrupt & vector interrupt system, 8085 interrupt
structure and its operation,8259A interrupt controller.
I/O controllers: Features, organisation & operating modes of 8155 multifunction device,8255 Programmable peripheral interface, 8254 programmable timer,8237 programmable DMA controller.
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