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8085 vs 8086-difference between 8085 and 8086 microprocessor


This 8085 microprocessor tutorial covers following sub-topics:
8085 architecture   8085 programming   instructions   8085 vs 8086 


This page on 8085 microprocesor vs 8086 microprocessor describes difference between 8085 and 8086 microprocessor types.


8085 microprocessor 8086 microprocessor
It is 8 bit microprocessor It is 16 bit microprocessor
It has 16 bit address line It has 20 bit address line
It has 8 bit data bus It has 16 bit data bus
clock speed of 8085 microprocessor is 3 MHz clock speed of 8086 microprocessor vary between 5,8 and 10 MHz for different versions.
It has 5 flags. It has 9 flags.
It does not support pipelining. It supports pipelining.
It operates on clock cycle with 50% duty cycle. It operates on clock cycle with 33% duty cycle.
8085 microprocessor does not support memory segmentation. 8086 microprocessor supports memory segmentation.
It has less number of transistors compare to 8086 microprocessor. It is about 6500 in size. It has more number of transistors compare to 8085 microprocessor. It is about 29000 in size.
It is accumulator based processor. It is general purpose register based processor.
It has no minimum or maximum mode. It has minimum and maximum modes.
In 8085, only one processor is used. In 8086, more than one processor is used. Additional external processor can also be employed.
In this microprocessor type, only 64 KB memory is used. In this microprocessor type, 1 MB memory is used.

8085 Microprocessor Related Links

8085 microprocessor architecture➤
8085 programming➤
8085 instruction set➤
Difference between 8085 and 8086➤

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