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Exploring engine control eTPU Library

Posted: 10 Jul 2014     Print Version  Bookmark and Share

Keywords:Enhanced Time Processing Unit  eTPU  programmable I/O controller  Qorivva  MPC5500 

The Enhanced Time Processing Unit (eTPU) is a programmable I/O controller with its own core and memory system, allowing it to perform complex timing and I/O management independent of the CPU. The eTPU module is a peripheral for 32bit Qorivva powertrain families of MPC5500, MPC5600, and MPC5700.

The eTPU is used as a coprocessor, specialised for advanced timing functions, such as handle complex engine control, motor control, and communication tasks independent of the CPU. The engine management is the most traditional area of eTPU usage.

A new complex library of eTPU functions enabling the eTPU to drive engine control applications was developed. This library represents a major step forward compared to its predecessor – eTPU automotive function set (set2) from 2009. In the updated library, there are new eTPU functions, which can be used to drive modern direct injection engines. The other functions have been widely updated and upgraded following the set2 user's experience, adding new features, simplifying their usage, and introducing much clear and easy to reuse code.

View the PDF document for more information.

Originally published by Freescale Semiconductor Inc. at www.freescale.com as "Engine Control eTPU Library".





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