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ISD51 User's Guide
Introduction 
Theory of Operation Breakpoints 
Hardware Breakpoints Flash Breakpoints Software Breakpoints Side-Effects Program Integration Function ReferenceSoftware Breakpoints
ISD51 supports software breakpoints for all devices. When you set a software breakpoint, the breakpoint address is added to a table that ISD51 must check for each instruction that is executed. This check is performed in the ISD51 Interrupt.
If ISD51 detects that a software breakpoint has been reached, it begins communication with the µVision Debugger.
Note
- Software breakpoints in ISD51 cause programs to execute considerably slower (about 100x) than normal.
- Software breakpoints and single-stepping do not work in interrupt service routines.
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