Ben Cantrick (mackys) wrote,
Ben Cantrick

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[Digg] Asynchronous ARM core CPU.

The ARM996HS core was introduced to the market in February 2006 with simulations that showed the core, touted as the electronics industry’s first commercially available clockless processor core, could cut power consumption to about one third of that of a similar clocked processor core from ARM Holdings plc.

"Clocks are an ever-increasing source of trouble. Most designs use a single clock source that drives perhaps dozens of chips. There's little doubt that the resulting long clock wire will be rife with reflections, destroying its shape. Unfortunately, most CPUs are quite sensitive to the shape and level of the clock." -Jack Ganssle
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