Eight bit standard connector bus for sixteen bit microcomputer u

Details Eight bit standard connector bus for sixteen bit microcomputer u Eight bit standard connector bus for sixteen bit microcomputer u

1980-07-14

1983-03-01

Atkinson, Charles E.

Boots, shoes, and leggings

365 63, G06F 1300

Patent

active

043756654

ABSTRACT:
A microcomputer system uses a standardized S-100 bus with eight bit Data In and eight bit Data Out lines, but has a sixteen bit microprocessor with sixteen bit bidirectional data input/output terminals. An arrangement of mirror image pairs of memory boards is provided to cross-connect the Data In lines and Data Out lines for one memory board compared to another, these two memory boards being accessed by the same address. A processor board containing the microprocessor connects the Data In and Data Out lines to the data input/output terminals by controllable unidirectional buffers which criss-cross the bytes on write compared to read operations.

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patent: 4315308 (1982-02-01), Jackson
Walker, "Comments on the S-100 Bus Extension," Technical Forum, 1/79, Byte Publications.
Morrow et al., "Proposed Standard for the S-100 Bus," NCC '78, Personal Computing Digest, 5/78, p. 305.
Notari, "A 16 Bit System for the S-100 Bus That Holds its Own Against a Mini", Interface Age, 7/77, pp. 72, 73.

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