Controlling device and method for driving same
A technology of control devices and microprocessors, applied in program control, measuring devices, computer control, etc., can solve problems affecting frequency, etc., and achieve the effects of reduced area, reliable distance measurement, and low cost
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[0010] Figure 1 shows a control device 1 that can be used in any electronic application. The application to motor vehicles is particularly advantageous, since in the manufacture of motor vehicles mass production, high successful savings (Einsparerfolg) can be achieved overall with small savings potentials (Einsparpotenzial) per product by means of modifications. The control device according to the invention is particularly advantageous for use in parking assistance for motor vehicles, wherein not only data communication takes place by means of a control device of this type, but also time measurement for distance measurement is carried out in the control device. The invention will therefore be explained below using the example of a control device for a parking assistance in a motor vehicle.
[0011] A microprocessor 2 with a computing unit 3 and a ring oscillator 4 is provided in the control device 1 . As such, the designation "microprocessor" includes microcontrollers. The r...
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