Debugging Components
Publisher Summary
This chapter focuses on a number of debugging components used to provide debugging features such as breakpoint, watchpoint, Flash Patch, and trace that the Cortex™-M3 processor comes with, all of which can be programmed through the Cortex-M3 Private Peripheral Bus. The chapter discusses the trace system that is based on CoreSight architecture—the Data Watchpoint and Trace (DWT) components and their debugging functionalities; the Instrumentation Trace Macrocell (ITM), a control register for controlling the enabling of individual features; the hardware trace with ITM and DWT; and the Embedded Trace Macrocell that is used for providing instruction traces. The chapter describes other trace components ...
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