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The X86 Microprocessors: Architecture and Programming (8086 to Pentium), 1st Edition
book

The X86 Microprocessors: Architecture and Programming (8086 to Pentium), 1st Edition

by Lyla B. Das
May 2024
Intermediate to advanced content levelIntermediate to advanced
665 pages
23h 2m
English
Pearson India
Content preview from The X86 Microprocessors: Architecture and Programming (8086 to Pentium), 1st Edition
THE HARDWARE STRUCTURE OF 8086 205
In that case, it asks for extra time to complete its activity i.e., extra ‘wait’ states are inserted into the
bus cycle.  ese extra wait states are inserted when the READY signal is low. For slow peripherals/
memory, a wait state generator can be added in the system. If wait states are not needed, READY
is found to be high when it is sampled. However, why would READY be connected to the clock
generator IC?  is is to synchronize it with the clock signal. READY may appear at any time, but
the 8284A sends it to the 8086 only at the trailing edge of the clock.
6.1.9 | Reset
An active low RES signal from the ...
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Publisher Resources

ISBN: 9781282663169