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there r 2 types of istruction cycles fetch cycle and execution cycle.

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โˆ™ 2012-09-06 09:39:07
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Q: What are the types of instruction cycle in 8085 microprocessor?
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Types of instruction in 8085 microprocessor?

there are four types of instructions in 8085 microprocessor

How many instruction are there in 8085 mp?

There are 74 instructions in the 8085 microprocessor.

How do you draw timing diagram for 8085 microprocessor RET instruction?


How does the 8085 microprocessor instruction register work?

stores next instructions

How many no of machine cycles are required for LHLD instruction in microprocessor 8085?

its 5

When trap interrupt line is checked by 8085 microprocessor?

In the 8085, trap, intr, and rstx.5 lines are checked on the falling edge of clock, at the beginning of the last T cycle of an instruction, or approximately one clock cycle before ALE.

How many no of machine cycles are required for HLT instruction in microprocessor 8085?

5 or more

Machine cycle in 8085 microprocessor?

There are following machine cycles of Intel 8085:Input-Output (I/O) Read Machine Cycle:The I/O Read Machine cycle is executed by the microprocessor to read a data from an input device. It consists of 3T states. The IN Instruction uses this machine cycle during the execution. Input - Output (I/O) Write Machine CycleThe I/O write machine cycle is executed by the microprocessor to write a data byte from an output device. It consists of 3T states. The instruction, which sends the data to the output device, comes under this machine cycle. Instruction cycle is defined, as the time required completing the execution of an instruction.An Instruction Cycle will have one to six machine cycles.

Why is the jump instruction jmp of 8085 microprocessor given the immediate addressing mode?

because the operand is available in the instruction itself

What is the addressing mode of DAA in 8085 microprocessor?

The DAA instruction in the 8085 only accesses internal registers, so it has no addressing mode. At best, it can be considered an implicit mode instruction.

How many bits in 8085 microprocessor?

The 8085 microprocessor is an 8-bit microprocessor.

What is the purpose of the RRC instruction in 8085 microprocessor?

We can implement "Divided by '2' " operation by using RRC.

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