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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
466 THE x86 MICROPROCESSORS
signal to the module originating the highest priority request.  us, this module can acquire the
control of the system bus and it then activates the common ‘bus busy’ line.  is is depicted in
Fig. 13.7b.  e priority may be preset (in this case it can happen that low priority master mod-
ules cannot access the system bus at all, or after a long delay only), or it may use a round-robin
scheme (the highest priority at a particular time instant is assigned to the right side neighbor
of the master module currently using the system bus). In the latter case all master modules have
equal chance in accessing the system ...
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Publisher Resources

ISBN: 9781282663169