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Implement soft stack in MAXQ2000's data memory

Posted: 02 Feb 2009     Print Version  Bookmark and Share

Keywords:soft stack  MAXQ2000  microcontrollers 

This application note by Maxim demonstrates a simple method for implementing a soft stack in data memory for assembly-based applications. This method uses the MAXQ2000 and other MAXQ20-based microcontrollers. MAXQ2000 microcontroller is based on the MAXQ20 core. MAXQ20-based microcontrollers typically implement a 16-bit-wide hardware stack with a fixed number of levels (16 on the MAXQ2000) stored in a dedicated internal memory separate from data and code space. This hardware stack is used to save and restore the microcontroller's operating state across subroutine calls and interrupt operations.

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