Resetting circuit for a microcomputer

Details Resetting circuit for a microcomputer Resetting circuit for a microcomputer

1988-09-15

1990-10-16

Atkinson, Charles E.

Excavating

371 163, 371 62, G06F 1100

Patent

active

049641239

ABSTRACT:
Microcomputers or microprocessors are required to be reset after supply of a power source voltage to the microcomputers or microprocessors is interrupted due to the replacement of the microcomputers. A time constant circuit generates a reset signal from a capacitor of the time constant circuit after a predetermined time has passed since the source voltage was applied to the microcomputers. A discharging circuit is connected to the time constant circuit, and rapidly discharges the charge stored in the capacitor of the time constant circuit after the supply of the source voltage is interrupted.

REFERENCES:
patent: 4399537 (1983-08-01), Jones
patent: 4513417 (1985-04-01), Lamb et al.
patent: 4551841 (1985-11-01), Fujita et al.
patent: 4586179 (1986-04-01), Sirazi et al.
patent: 4591782 (1986-05-01), Germer
patent: 4625309 (1986-11-01), Nitschke
patent: 4683568 (1987-07-01), Urban
patent: 4689766 (1987-08-01), Kent

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