Excel MPC5744P Clock Configurator

Document created by Petr Stancik Employee on Sep 17, 2015Last modified by Petr Stancik Employee on Mar 31, 2020
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This config tool simplifies PLL setting calculation and clock configuration for MPC5744P device.


Follow these steps


Note: Macros have to be enabled!


  1. 1. Enter frequency of used XOSC and desired PLL0 and PLL1 output.

                - put values into cells B11, Q10 and Q17 of the "Clocks" sheet

                - check if it is Valid or Invalid

                - "PLLconfig" sheet shows possible PLLs configurations


  1. 2. Configure System and AUX clock selectors and its Dividers

                - check calculated frequency of System/Peripheral clocks

                - if Invalid change source clock and Divider value to keep Max freq


  3. Copy generated code by pressing "Copy Code" button

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