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➤
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Difference between 8085 and 8086➤
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