MPC55xx/MPC56xx NEXUS Debugger and Trace


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JTAG Debugger
Nexus Trace
Trace Features
Connectors


MPC55xx/MPC56xx NEXUS Debugger and Trace (Power Architecture)
  Highlights
Support for NEXUS standard class 1 to 3+
Easy high-level and assembler debugging
Program flow and Data trace
Watchpoint and Ownership tracing
Up to 4 GByte trace memory
Trigger programming
Interface to all hosts
USB and ETHERNET interface included
Support for VLE (Variable Length Encoding)
eTPU, GTM and SPT debuggers included
eTPU program and data trace supported
Data trace for additional trace clients (e.g. DMA, FlexRay)




 

JTAG Debugger


Identical features like the debug cable for Qorivva MPC5xxx/SPC5xxx (e200 cores).
MPC5xxx and SPC5xx Debugger
  • Extensive C++ Support
  • Flash Programming
  • Sophisticated Cache Debugging
  • Full Support for MMU
  • Many RTOS supported
  • Support for VLE (Variable Length Encoding)
  • eTPU, GTM and SPT debuggers included

eTPU Debugger
  • Full support of eTPUs
  • "Step" and "Go" commands
  • Supports all eTPU Breakpoints
  • Disassembler for Microinstructions
  • Monitor all eTPU Registers during stepping
  • Modify eTPU internal Registers
  • Display of Entry Points
  • Peripheral View of eTPU Registers

 

Nexus Trace


Operation Modes

  • 2 - 16 MDOs with 1 or 2 MSEOs
  • MCKO trace clock up to 100 MHz
  • Full/reduced port mode supported
  • DDR Mode support

Supported Trace features

  • Program trace (full branch trace and history trace messaging)
  • Data trace (read / write / read+write and instruction fetch trace)
  • Ownership trace messaging (e.g. for tracing task scitches)
  • Watchpoint tracing (e.g. event counting, frequency measurement)
  • Data aquisition messaging
  • Tracing all cores of multicore processors (multicore license required)
  • Data trace if additional trace clients (e.g. DMA, FlexRAY, SRAM port sniffers)
  • Program/Data trace support for eTPUs and CDC

Advanced trigger sequencer

  • Application examples:
    • Program break on data value (for cores without DVC)
    • Filtering trace messages for longer recording time
    • Check time span between events, e.g. to verify max. task execution times
  • Feature set:
    • 4 Trigger Levels (Goto, Continue)
    • Trace Control (Enable, On, Off, Break)
    • 3 Counters (Enable, On, Off, Restart)
    • 2 Flags (On, Off, Toggle)
    • 2 Markers
    • Break (Program, Trigger Bus)
    • 2 Trigger Outputs

Trigger Delay

  • 0 .. 300 s

External Trigger

  • Input from PODBUS
  • Output to PODBUS

Performance Analyzer

 

Trace Features


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

 

Connectors


Adaptation for NEXUS MPC5XXX





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Last generated/modified: 29-Jun-2020