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There are many differences between the 8085 and the 8086/8088. Naming just a few...

  • 8085 is an 8 bit processor, while 8086 is a 16 bit processor
  • 8085 has a 16 bit address bus, while 8086 has a 20 bit address bus
    • 8085 has an 8 bit data bus
    • 8088 has an 8 bit data bus
    • 8086 has a 16 bit data bus
  • 8086 has a segmented architecture to support the 20 bit address bus
  • 8086 has additional registers that support string and repeated loop instructions
  • 8086 has addition register that support stack frame parameter addressing
  • 8086 has more addressing modes, including cross-segment modes
  • 8086 has more types of interrupts, including debug single-step
  • 8086 has true multiplication and division instructions

If anyone has any more examples, please fee free to add to the list.

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13y ago
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14y ago

the five differences between 8085 and 8086 are.............

. 8085 is nmos designed but 8086 is hmos designed.

. different clock frequencies

.8085 is 8 bit but 8086 is 16 bit

.different register organisations.

. different tpes of addressing modes

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11y ago

They are identical except the program memory of the 8051 is one time programmable (usually at the factory) and the 8751 is user reprogrammable.

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11y ago

Both are 40 pin ic

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12y ago

8351 is field programable

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11y ago

arm is compact in size

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Q: Difference between 8051 and 8751 micro controllers?
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