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What is the use of command MOV A A in 8085 microprocessor?
The MOV A,A instruction in the 8085 does nothing, not even change flags. It only consumes time, specifically four clock cycles plus applicable wait states.
What is NOP Instruction stands in 8085 microprocessor?
The NOP instruction is a no-operation instruction. It does nothing to the state of the machine, except to use some time. In the case of the 8085, it uses four clock cycles plus however many wait states are need to access the NOP instruction from memory.
8085 microprocessor state the number of machine cycles and t-states required to complete the execution of the 8085 instruction mov m a?
The 8085 instruction MOV M,A requires two machine cycles and 7 T states. Cycle one is 3 T states for opcode fetch, plus 1 T state for opcode decode. Cycle two is 3 T state for operand store. These numbers do not include WAIT states. WAIT states are interposed between T2 and T3 of any memory access cycle, and the total number of WAIT states depends on the READY line.
How wait state is generated in 8086 microprocessor?
In the 8086 microprocessor, a wait state is generated when the processor needs to wait for an external device to complete an operation before proceeding. This typically occurs when the processor accesses slower external memory or peripherals. The wait state extends the duration of a machine cycle to allow the external device to catch up, ensuring data integrity and proper operation. The addition of wait states can impact the overall performance of the system by increasing the total execution time of instructions.
What do you mean by wait state?
A wait state in computing refers to a condition where a microprocessor is held idle until it can proceed with the execution of the next instruction. This can occur due to various reasons, such as unavailability of data or resources needed to complete the current operation. Efficient management of wait states is crucial for optimizing processor performance.
What is the wait state in microprocessor?
The wait state, TWait, is a extra clock cycle added to the machine cycle to allow time for external hardware to respond. During this extra cycle, none of the address, data, or control pins change state. Wait state is entered if READY is false (LOW) on the rising edge of clock following ALE. READY is sampled each rising edge of clock thereafter and wait state will not be exited until READY is true (HIGH).
If the frequency of the crystal connected to 8085 is 6MHz calculate the time to fetch and executed NOP instruction?
At a crystal frequency of 6MHz, the 8085 microprocessor has a clock frequency of 3MHz, or a period of 333 nanoseconds. The NOP instruction requires four clock cycles, three to fetch and one to execute, so the NOP instruction with a crystal frequency of 6MHz would take 1.333 microseconds to fetch and execute. This does not include wait states, each of which would add 0.333 microseconds to the timing.
What are some clubpenguin cheats for 2009?
# First click at a exit # go to you mail box # then wait # exit you mailbox # you will be standing on a exit!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Your welcome
T state in op-code fetch of 8085?
There are four T states during op-code fetch in the 8085. T1 is the ALE state, where the address is emitted and the RD- line goes true; TWAIT is zero or more wait states based on READY; T2 is the middle of the fetch, and the internal strobing of the op-code; T3 is the completion of the fetch and stabilization of the bus signals; and T4 is the internal processing cycle.
How do you exit a race in Burnout Paradise?
you stop your car and wait
What is a command to the processor to wait for slower devices to catch up?
It could be called either a buffer or a wait state.
Do you have to wait after you spelled ten in the labyrinth in mythology island?
No you just have to exit the labyrinth through the exit in the bottom right corner (past the scorpion)
