Crypto Acceleration Unit (CAU) and MmCAU Software Library

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Software Details


  • CAU is present in ColdFire+®/ColdFire+
  • mmCAU is present in Kinetis® Cortex M4
  • Supports AES128, AES192, AES256, DES, 3DES, MD5, SHA-1, and SHA-256 (only for CAU version 2 and mmCAU) algorithms
  • Simple, flexible programming model
  • Ability to send up to three commands in one data write operation (Only for mmCAU)
  • Optimized, callable C-function library that provides the appropriate software building blocks to implement higher-level security functions

Supported Devices


1 download

Note: For better experience, software downloads are recommended on desktop.


Quick reference to our documentation types.

2 documents

Design Resources


2 hardware offerings


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