Scan operation executing system

Details Scan operation executing system Scan operation executing system

1991-02-04

1993-11-30

Beausoliel, Jr., Robert W.

Excavating

371 151, H04B 1700

Patent

active

052672476

ABSTRACT:
A scan operation executing system includes a command decoding unit and a scan mode setting unit. The command decoding unit is initialized together with a diagnostic control unit in accordance with a diagnostic activation signal from a diagnostic processor, outputs a reset signal in response to a diagnostic command for a scan operation execution request subsequent to the diagnostic activation signal, and outputs a reset signal in response to a diagnostic command for a scan mode reset request. The scan mode setting unit is set by a set signal from the command decoding unit to supply a scan mode signal to a processing unit of a main processor and is reset by the reset signal to disconnect the scan mode signal.

REFERENCES:
patent: 4312066 (1982-01-01), Bantz et al.
patent: 4697267 (1987-09-01), Wakai
patent: 4876645 (1989-10-01), Shioya et al.
patent: 5088034 (1992-02-01), Ihara et al.
patent: 5127008 (1992-06-01), Bassett et al.

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