MPC574xP SENT/SPC Driver
■This application note describes the SENT/SPC driver for the MPC574xP 32-bit microcontrollers. It also provides information on the Single Edge Nibble Transmission protocol (SENT, SAE J2716), along with its Short PWM Code (SPC) enhancement. Additionally, the driver implementation, API, and functional description are also discussed in this application note.
■The information about the SENT protocol has been derived from the SAE J2716 Surface Vehicle Information Report, JAN2010.
■The information about the SPC enhancement has been derived from the TLE4998C Data Sheet, Rev 1.0, December 2008.
■The MPC574xP SENT/SPC driver itself and the example application are part of the AN4856SW package.
●Overview:
■The Single Edge Nibble Transmission protocol is targeted for use in those applications where high-resolution data is transmitted from a sensor to the ECU. It can be considered as an alternative to conventional sensors providing analog output voltage, and for PWM output sensors. It can also be considered as a low-cost alternative to the LIN or CAN communication standards.
■Applications for electric power steering, throttle position sensing, pedal position sensing, airflow mass sensing, liquid level sensing, etc., can be used as examples of target applications for SENT-compatible sensor devices.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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03/2014 |
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Rev. 0 |
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AN4856 |
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600 KB |
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