Microcomputer capable of accessing internal memory at a desired

Details Microcomputer capable of accessing internal memory at a desired Microcomputer capable of accessing internal memory at a desired

1987-03-20

1989-09-26

Gruber, Felix D.

Boots, shoes, and leggings

3642432, 3642702, 3642716, G06F 1316, G06F 1318

Patent

active

048705624

ABSTRACT:
A microcomputer includes an instruction execution unit and an internal memory formed on the same chip. A first circuit is provided for setting a memory access cycle for a read/write to the internal memory shorter than that for read/write to an external memory. Further, a second circuit is provided for setting the memory access cycle for the read/write to the internal memory substantially equal to that for the read/write to the external memory. The first and second setting circuits are alternatively and selectively activated.

REFERENCES:
patent: 3962683 (1976-06-01), Brown et al.
patent: 4093982 (1978-06-01), Heuer et al.
patent: 4168526 (1979-09-01), Auer, Jr. et al.
patent: 4397031 (1983-08-01), Weber
patent: 4447870 (1984-05-01), Tague et al.
patent: 4602347 (1986-07-01), Koyama
patent: 4665483 (1987-05-01), Ciacci et al.

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