FIELD: computer engineering.
SUBSTANCE: invention relates to computer engineering. Device for direct mapping of addresses of data located in external series ROM, in address space of microprocessor core includes a read address register data and terminal automatic device of direct address display device with possibility of displaying data addresses located in external series ROM, in address space of microprocessor core, conversion of requests for reading from side of microprocessor core in sequence of external controller accesses series ROM and transmission over data bus sequence data words read from an external series ROM, microprocessor core.
EFFECT: technical result is reduction of requirements for volume of RAM while avoiding initial micro ROM and internal loading RAM built into microchip.
16 cl, 2 dwg
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