Alliant Techsystems Inc.

Eugene C Pikus

David P Erdmann

Microcontroller apparatuses and methods of use are disclosed. An explosive projectile system contains a faze and a remote fuze setter. The fuze includes a microcontroller comprising an RC-based clock generator and is configured to sample an accurate timing event sent from a crystal-based or similarly accurate timing device. The microcontroller is then calibrated with the received timing event and results are employed in a manner appropriate for desired implementation. Implementations of the microcontroller may include sampling a detonation delay value, in the form of a time pulse, and calibrating the microcontroller to issue a fire command at delay time after an impact event. Additionally, in a setter calibration application, a microcontroller may receive a carrier signal, calibrate the faze to an accurate time base and then set frequency boundary limits for subsequent data bit transfers.

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Ham Lake, MN, United States of America

Eugene C Pikus