Computer Engineering and
Informatics Dept.
Hardware and Computer
Architecture Sector

Introduction to
8-bit Microprocessors
Dr N. Petrellis, Adjunct Faculty
·
Architecture of 8-bit
processors, microcontrollers and their peripheral circuits
·
External structure of a
processor: pin out and packaging
·
Internal blocks: Instruction
Fetch and Decoding, Execution Unit, ALU, Register Set
·
Timing diagrams of Memory and
I/O access
·
Instruction, Machine and Clock
Cycles
·
Interconnecting
microprocessors with memory and peripherals
·
Instruction Sets: Efficient
use of instructions. Peripheral programming
·
Interrupts, Wait Cycles, Bus
Requests
·
Peripherals: Timer/Counters,
Parallel and Serial Ports, Interrupt Controllers, DMA Controllers
Commercial
Processors and Peripherals that are studied:
·
Ζ80 CPU, Ζ80 CTC, Z80 PIO, Z80 SIO, Z80 DMAC
·
The 6805 and 8051 microcontrollers
·
The AVR microcontroller family