Microcomputer with processor bus having smaller width than memor

Details Microcomputer with processor bus having smaller width than memor Microcomputer with processor bus having smaller width than memor

1996-07-02

1999-10-26

Sheikh, Ayaz R.

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus access regulation

710 66, G06F 1300

Patent

active

059744936

ABSTRACT:
A microcomputer comprises a processor, a memory and a buffer including a selector for changing a bus width, wherein a processor bus has a smaller width than that of a memory bus. The microcomputer further comprises a bus interface unit which has a selector for changing the bus width, and is used for inputting/outputting signals from/to the outside, and an external bus for connecting the bus interface unit and the outside, wherein the bus interface unit is connected to the memory via the memory bus, and the external bus has a smaller width than that of the memory bus. Still further the memory includes a plurality of memory regions, and the processor is disposed in a space of the memory regions.

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Murakami et al., "Proposal of New General-Purpose Functional Part PPRAM Toward 21st Century," Computer Architecture Research Report, No. 108, 94-ARC-108, pp. 49-56, The Information Processing Society, Research Report, vol. 94, No. 91, ISSN 0919-6072 (Oct. 28, 1994).

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