Excavating
Patent
1988-03-04
1990-09-04
Atkinson, Charles E.
Excavating
364200, G06F 1100
Patent
active
049550233
ABSTRACT:
An error correction control system for a control memory generates, when an error is detected in a microinstruction read out from a control memory to a microinstruction register, a first inhibit signal for inhibiting an updating the microinstruction register, and generates a second inhibit signal at the timing one clock period after the first inhibit signal is generated. After an error correction sequence is completed, the second inhibit signal is disabled at a timing one clock period after the first inhibit signal is disabled.
REFERENCES:
patent: 4641305 (1987-02-01), Joyce et al.
patent: 4701915 (1987-10-01), Kitamura et al.
Atkinson Charles E.
Huntley David M.
NEC Corporation
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