What are the salient features of 8085 microprocessor?

What are the salient features of 8085 microprocessor?

The features of 8085 include:

  • It is an 8-bit microprocessor i.e. it can accept, process or provide 8-bit data.
  • It operates on a single +5V power supply connected at Vcc.
  • It operates on clock cycle with 50% duly cycle.
  • It has on chip clock generator this internal clock generator requires tuned circuit like LC,

What is block diagram of 8085 microprocessor?

Pin diagram of 8085 microprocessor

IO/M’ S1 Data Bus Status
0 1 Memory read
0 0 Memory write
1 1 I/O read
1 0 I/O write

What is the function of 8085 microprocessor?

The 8085 microprocessor is an 8-bit processor that includes on its chip most of the logic circuitry for performing computing tasks and for communicating with peripherals.

What are the basic functional blocks of microprocessor?

Microprocessor consists of an ALU, register array, and a control unit. ALU performs arithmetical and logical operations on the data received from the memory or an input device.

What are the four building blocks of a microprocessor system?

Microprocessor consists of an ALU, register array, and a control unit. ALU performs arithmetical and logical operations on the data received from the memory or an input device. Register array consists of registers identified by letters like B, C, D, E, H, L and accumulator.

What are the functional blocks of a microcomputer?

A microcomputer has three basic blocks: a central processing unit (CPU), a memory unit, and an input/output (I/O) unit.

What are the limitations of 8085 microprocessor?

 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.  Operating frequency is less in 8085 microprocessor, so the speed of execution is slow.

What are the features of Intel 8085 microprocessor?

The features of the 8085 microprocessor are given below: It is an 8-bit microprocessor that can accept, process or provides 8-bit data simultaneously. The intel 8085 uses a single +5v power supply connected at Vcc; the power supply ground is connected to Vss. It has 8 data lines and 16-bit address lines hence capacity is 216=64 KB of memory.

What is the configuration of 808085?

8085 is pronounced as “eighty-eighty-five” microprocessor. It is an 8-bit microprocessor designed by Intel in 1977 using NMOS technology. It has the following configuration −. 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

How do you pronounce 8085 microprocessor?

8085 is pronounced as “eighty-eighty-five” microprocessor. It is an 8-bit microprocessor designed by Intel in 1977 using NMOS technology. It has the following configuration −. 8-bit data bus. 16-bit address bus, which can address upto 64KB. A 16-bit program counter. A 16-bit stack pointer.

What is an 8-bit register in an 8085 processor?

It is an 8-bit register used to perform arithmetic, logical, I/O & LOAD/STORE operations. It is connected to internal data bus & ALU. As the name suggests, it performs arithmetic and logical operations like Addition, Subtraction, AND, OR, etc. on 8-bit data. There are 6 general purpose registers in 8085 processor, i.e. B, C, D, E, H & L.

What do you mean by 8085 microprocessor?

The Intel 8085 (“eighty-eighty-five”) is an 8-bit microprocessor produced by Intel and introduced in March 1976. It is a 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 is the function of instruction register and decoder in 8085 microprocessor?

Instruction register and decoder It is an 8-bit register. When an instruction is fetched from memory then it is stored in the Instruction register. Instruction decoder decodes the information present in the Instruction register.

What are the features of 8085 and 8086?

The 8086 is enhanced version of 8085 microprocessor. It is 16-bit processor….Differences between 8085 and 8086 microprocessor.

Property 8085 Microprocessor 8086 Microprocessor
Data Bus Size 8-Bit 16-Bit
Address Bus Size 16-bit 20-bit
Clock Speed 3MHz Varies in range 5.8 – 10 MHz
Duty Cycle for clock 50% 33%

What is the configuration of 8085 microprocessor?

8085 Microprocessor Pin Configuration. The 40 pins of the microprocessor can be divided into six groups such as address bus, data bus, control signals & status signals; power supply & frequency, externally started signals and serial input/output ports.

Why is 8085 microprocessor important?

It provides status, control and timing signals, which are required for the operation of memory and I/O devices. 8085 System Bus: Microprocessor communicates with memory and other devices (input and output) using three buses: Address Bus, Data Bus and Control Bus.

What are the advantages of microprocessor 8085?

The main advantages of 8085 were its internal clock generator, internal system controller and higher clock frequency. Third Generation Microprocessor: In 1978, INTEL released the 8086 microprocessor, a year later it released 8088. Both devices were 16 bit microprocessors, which executed instructions in less than 400ns.

What is microprocessor write the features functions of 8085 Shaalaa?

The functions of microprocessor are given below: (a) To fetch, decode and execute instructions. (b) To transfer data from one block to another block or from one block to I/O lines. (c) To give proper response to different externally produced interrupts according to their priority.

Which architecture is used in 8085 microprocessor?

8085 is a 8-bit microprocessor. It’s based on Von-Neumann architecture in which the data and instructions are in the same memory space without any distinction between them.

What is the architecture of 8085 microprocessor?

The 8085 microprocessor is an 8-bit processor available as a 40-pin IC package and uses +5 V for power. It can run at a maximum frequency of 3 MHz. Its data bus width is 8-bit and address bus width is 16-bit, thus it can address 216= 64 KB of memory. The internal architecture of 8085 is shown is Fig. 2.

How to pronounce 808085?

8085 is pronounced as “eighty-eighty-five” microprocessor. It is an 8-bit microprocessor designed by Intel in 1977 using NMOS technology. It is used in washing machines, microwave ovens, mobile phones, etc.

What are the general purpose registers in 8085 processor?

As the name suggests, it performs arithmetic and logical operations like Addition, Subtraction, AND, OR, etc. on 8-bit data. There are 6 general purpose registers in 8085 processor, i.e. B, C, D, E, H & L.