May 2024
Intermediate to advanced
889 pages
30h 8m
English
book
The X 86 Microprocessors: Architecture, Programming and Interfacing (8086 to Pentium) 2nd Edition by Pearson
by Lyla B. Das
Content preview from The X 86 Microprocessors: Architecture, Programming and Interfacing (8086 to Pentium) 2nd Edition by Pearson
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0-12
THE
x86 MICROPROCESSORS
Wait until the data is stored in the addressed location.
De-activate the memory write signal. This ends the memory write operation.
At this stage, we should remember that these operations are synchronized with the sys-
tem clock. An 8086 processor takes at least four clock cycles for reading/writing. These
four cycles constitute the ‘memory read’ and ‘memory write’ cycles for the processor.
Other processors may require more/less clock cycles for the same operations.
0.2.6 | The I/O System
For a computer to communicate with the outside world, there is the need for what are
called peripherals. Some of these peripherals are ...
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