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Enabling ultrasonic distance measurement

Posted: 07 May 2014  Print Version  Bookmark and Share

Keywords:MC9S12ZVL32  ultrasonic sonar  distance  voltage regulator  LIN 

This application note introduces the MC9S12ZVL32 device in ultrasonic sonar application, capable of detecting an object as well as measuring the object distance.

The MC9S12ZVL32 integrates a 16bit microcontroller built on proven S12 technology, an automotive voltage regulator, a LIN interface, a VSUP module to sense automotive battery voltage and an HVI pin.

The measured object distance is displayed in the FreeMASTER tool. The on-board RGB LED colour is smoothly changed based on the actual object distance. The application includes the RGB LED diagnostics as well.

View the PDF document for more information.

Originally published by Freescale Semiconductor at www.freescale.com as "S12ZVL LIN Enabled Ultrasonic Distance Measurement".





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