Reset signal generation circuit having a function for protecting

Details Reset signal generation circuit having a function for protecting Reset signal generation circuit having a function for protecting

1993-10-05

1995-10-10

Envall, Jr., Roy N.

Static information storage and retrieval

Powering

Data preservation

365222, 36518901, 364701, G11C 700, G06F 738, G06F 1520

Patent

active

054576601

ABSTRACT:
In a reset signal generation circuit for generating a reset signal to a CPU in accordance with an external clock signal, illegal operation or loss of write data during a write period is prevented.
A means (14) is provided for prohibiting the generation, in accordance with an external reset signal (RST), of a reset signal (RESET) to the CPU during a data write period of the CPU, and, according to a preferred embodiment of the invention, a means is provided for holding the external reset signal until a reset signal is generated to the CPU.

REFERENCES:
patent: 3737879 (1973-06-01), Greene et al.
patent: 4791614 (1987-06-01), Arakawa
patent: 4796235 (1989-01-01), Sparks et al.

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