TMS320DM647 datasheet(173/181 Pages) TI

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TMS320DM647

TMS320DM648

www.ti.com

SPRS372F – JANUARY 2010 – REVISED SEPTEMBER 2009

6.24 Emulation Features and Capability

6.24.1 Advanced Event Triggering (AET)

The device supports Advanced Event Triggering (AET). This capability can be used to debug complex

problems as well as understand performance characteristics of user applications. AET provides the

following capabilities:

•

Hardware Program Breakpoints: specify addresses or address ranges that can generate events such

as halting the processor or triggering the trace capture.

•

Data Watchpoints: specify data variable addresses, address ranges, or data values that can generate

events such as halting the processor or triggering the trace capture.

•

Counters: count the occurrence of an event or cycles for performance monitoring.

•

State Sequencing: allows combinations of hardware program breakpoints and data watchpoints to

precisely generate events for complex sequences.

For more information on AET, see the following documents:

•

Using Advanced Event Triggering to Find and Fix Intermittent Real-Time Bugs Application Report

(literature number SPRA753)

•

Using Advanced Event Triggering to Debug Real-Time Problems in High Speed Embedded

Microprocessor Systems Application Report (literature number SPRA387)

6.24.2 Trace

The device supports Trace. Trace is a debug technology that provides a detailed, historical account of

application code execution, timing, and data accesses. Trace collects, compresses, and exports debug

information for analysis. Trace works in real-time and does not impact the execution of the system.

For more information on board design guidelines for Trace Advanced Emulation, see the Emulation and

Trace Headers Technical Reference Manual (literature number SPRU655).

Peripheral Information and Electrical Specifications

173

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