November 2021
Intermediate to advanced
672 pages
25h 6m
English
Figure C.1 shows 8085 pins and signals. The following table describes the function of each pin:

SYMBOL |
FUNCTION |
|---|---|
A15 (Output, Three-Stale) |
Address Bus: The most significant 8 bits of the memory address or the 8 bils of the I/O address. |
A0–7 (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. |
: (Output) |
Address Latch Enable: It occurs during the first clock state of a machine cycle and ... |
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