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ALE, or Address Latch Enable, tells hardware logic that the data on the data bus represents address information that should be latched. This is a technique used called multiplexing, and it allows for the pin count on the processor chip to be reduced.

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Q: What is function of ALE signal?
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What is uses of ale signal?

Ale signal is used in order to demultiplex adress and information present in the data bus


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The ALE signal on the 8085 is Address Latch Enable. When ALE is true, the data bus contains the low order address information for the current bus cycle. External hardware, i.e. latches, are expected to follow the data bus when ALE is true. At the point where ALE goes false, at approximately the rising edge of CLK, the latches are expected to latch and hold the data bus, presenting it to the outside world as the low order address bus.


What is the function of CLKOUT pin in microprocessor 8085?

The CLK signal in the 8085 is the system clock, which is the External Input Frequency or Crystal divided by two. It can be used to develop bus control logic, because it is essentially the inverse of ALE for one half clock cycle.


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