What is the Intel 8085 microprocessor?

The Intel 8085 (“eighty-eighty-five”) is an 8-bit microprocessor produced by Intel and introduced in March 1976. It is software-binary compatible with the more-famous Intel 8080 with only two minor instructions added to support its added interrupt and serial input/output features.

What are the features of Intel 8085?

Microprocessor – 8085 Architecture

  • 8-bit data bus.
  • 16-bit address bus, which can address upto 64KB.
  • A 16-bit program counter.
  • A 16-bit stack pointer.
  • Six 8-bit registers arranged in pairs: BC, DE, HL.
  • Requires +5V supply to operate at 3.2 MHZ single phase clock.

What are the different types of Intel 8085 instructions?

The 8085 instruction set is classified into 3 categories by considering the length of the instructions. In 8085, the length is measured in terms of “byte” rather then “word” because 8085 microprocessor has 8-bit data bus. Three types of instruction are: 1-byte instruction, 2-byte instruction, and 3-byte instruction.

Why it is called 8085 microprocessor?

The Intel 8085 microprocessor has got his name as 8085 microprocessor as it is a 8 bit microprocessor and in olden days when they created the first processor of 4 bit named it as 4004 and they don’t that it is a processor which controls whole machine when the invented that its a processor they reversed the last two …

What are the limitations of 8085 microprocessor?

 In 8085 microprocessor, only 16 bit address lines, we can address only up to 64KB of memory.  8085 Microprocessor has multiplexed address and data bus, so extra hardware is required to separate address and the data signals.  Flags are very limited in 8085.  Interrupts are very limited in 8085.

What is the word length of 8085 microprocessor?

The 8085 is a 8-bit microprocessor and hence its word length is 8 bits.

What is the operating voltage of 8085?

The 8085 featured a +5-volt power supply through the use of depletion-mode transistors. By contrast, the 8080 microprocessor used +5-volt, -5-volt, and +12-volt power supplies. The use of a single power supply made the 8085 more energy efficient than the 8080.

How many types of bus are there in 8085?

three types
Diagram to represent bus organization system of 8085 Microprocessor. There are three types of buses. It is a group of conducting wires which carries address only.

What is the operating frequency of 8085?

8085 operates on a clock frequency of 3MHz–6MHz depending upon the version selected. Clock is provided by a crystal oscillator of 2 times the frequency, so as to produce a 50% duty cycle clock. The minimum operating frequency of 8085 is 500kHz.

How many floors does 8085 have?

The 8085 has six general-purpose registers to store 8-bit data; these are identified as- B, C, D, E, H, and L.