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Home >> Saab >> 2004 >> 9-3 Linear, Automatic >> Repair and Diagnosis >> Electrical >> Body Electrical >> Control Module >> Technical Description >> Control modules, general description >> Internal Clock
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Internal Clock

The internal clock governs when the CPU shall perform a new calculation. The clock has a quartz crystal like those found in wristwatches.

Clock frequencies in a car are much lower than those in a home computer; often approx. 15 MHz.