RH850 NEXUS High Speed Serial Trace Port
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High-speed Serial Trace Interface
Adaptation
TRACE32 Trace Features
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RH850 NEXUS High Speed Serial Trace Port
  Highlights
Aurora NEXUS high-speed serial trace
Program flow via Branch Trace Messages (BTM)
Data Trace Messaging supported (DTM)
Supports onchip peripheral block tracing
Multicore tracing
Comprehensive program profiling
Target-OS aware profiling
Code coverage


Freq
Max. Operation Frequency		 Support
Technical Support



 

High-speed Serial Trace Interface


Lauterbach is supporting high-speed serial trace interfaces since mid 2008. Parallel trace data is coded 8b/10B and converted to a bit stream by the target device. This bit stream is sent via differential lanes to the TRACE32 preprocessor which recovers the original parallel data.

The max. supported speed for the serial trace interface depends on the number of data lanes.
  • 6.250 Gbit/s per lane (up to three lanes)
  • 3.125 Gbit/s per lane (at four lanes)
High-speed serial trace interfaces require PowerTrace II as trace port analyzer.

The connection to the target is done by standardized adapters defined by manufacturer.
 

Adaptation
Adaptation for RH850

 

TRACE32 Trace Features
Trace Filter and Trigger
  • Sample only the specified event
  • Sample the complete program flow and the specified data event
  • Switch the sampling to the trace buffer on/off after a specified event occurred

Trace-based Debugging (CTS)
  • Allows re-debuggging of a traced program section
  • Provides forward and backward debugging capabilities
  • High-level language trace display including all local variables
  • Timing and function nesting display
  • Has the ability to fill most trace gaps caused by the limited bandwidth of trace port

Trace-based Profiling
  • Detailed analysis of function run-times
  • Detailed analysis of task run-times and state
  • Graphical analysis of variable values over the time
  • Analysis of the time interval of a single event (e.g. Interrupt)
  • Analysis of the time interval between 2 defined events

Trace-based Code Coverage
  • Real-time code coverage without instrumentation
  • Suitable for long-term testing
  • Support for all common code coverage metrics
  • Automated report generation
  • Full support of multicore chips





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Last generated/modified: 25-Feb-2021