ONE CHIP MICROPROCESSOR AND ITS BUS SYSTEM

PURPOSE:To provide the one chip microprocessor and the most efficient bus system using it which can be easily connected with the external peripheral devices. CONSTITUTION:A one chip microprocessor 1 composed of an instruction execution unit 3, a DMA controller 4, and a memory management unit 2 is eq...

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Bibliographic Details
Main Authors KONDO NOBUKAZU, AOTSU HIROAKI, MARUYAMA TAKASHI, YU KEIICHI
Format Patent
LanguageEnglish
Published 03.08.1992
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:PURPOSE:To provide the one chip microprocessor and the most efficient bus system using it which can be easily connected with the external peripheral devices. CONSTITUTION:A one chip microprocessor 1 composed of an instruction execution unit 3, a DMA controller 4, and a memory management unit 2 is equipped with a function deciding the device to be accessed based on the address and performing the actuation of the access stage according to it, the output of a control signal, and the sizing of the bus. Further, it is also provided with the bus system connecting a cache memory 8, a memory controller 5, a main memory 19, and an I/O local memory 10.
Bibliography:Application Number: JP19910021807