Floating point timer

Details Floating point timer Floating point timer

1997-07-11

1999-05-11

Miska, Vit

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

368120, 327277, 331 57, G04F8/00

Patent

active

059035218

ABSTRACT:
A floating point timer comprises a floating point counter using a reference clock signal generated by a digital ring oscillator having an oscillation period that matches the delay of the worst case path through the floating point counter. The digital ring oscillator utilizes a digital delay line which repeatedly delays a bit for the oscillation period and feedback logic to reapply the delayed bit for another oscillation. The digital delay line includes enough high-precision digital delay elements whereby the oscillation period is at least as great as that of the delay of the worst case path through the floating point counter.

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