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SIMPLIFIED MICROCOMPUTER RESET CIRCUIT

IP.com Disclosure Number: IPCOM000005950D
Original Publication Date: 1990-Oct-01
Included in the Prior Art Database: 2001-Nov-19

Publishing Venue

Motorola

Related People

Authors:
Eugene L. Wineinger

Abstract

In a typical microcomputer reset circuit, one or more of the microcomputer's outputs are monitored to determine if a hardware reset should be invoked, and if so, to generate repetitive resets until normal microcomputer output is detected. A typical reset circuit (FIG. 1) employs a comparator circuit with hysteresis connected in a feedback configuration to provide an oscillating high/low output from which the repetitive reset signal is generated.