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The operations carried out by the Reset handler depend on the system for which the software is being developed. For example, it may:
Set up exception vectors. See Installing an exception handler for details.
Initialize stacks and registers.
Initialize the memory system, if using an MMU.
Initialize any critical I/O devices.
Enable interrupts.
Change processor mode and/or state.
Initialize variables required by C and call the main application.
See Chapter 6 Writing Code for ROM for more information.
| Copyright © 1999-2001 ARM Limited. All rights reserved. | ARM DUI 0056D |
| Non-Confidential | |
| PDF version | |
| Home > Handling Processor Exceptions > Reset handlers |