Intel® 8085

Figure C.1 shows 8085 pins and signals. The following table describes the function of each pin:

FIGURE C.1 8085 pinout




(Output, Three-Stale)

Address Bus: The most significant 8 bits of the memory address or the 8 bils of the I/O address.


(Input/Output, Tree-State)

Multiplexed address/data bus: Lower 8-bits of the memory address (or I/O address) appear on the bus during the first clock cycle (T state) of a machine cycle. It then becomes the data bus during the second and third clock cycles.



Address Latch Enable: It occurs during the first clock state of a machine cycle and ...

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