System Trace Macrocell

Getting Started

The Arm CoreSight System Trace Macrocell (STM) is a trace source that enables real-time instrumentation of software with no impact on system behavior or performance. For software, system and hardware engineers, visibility of the complete system is now critical. This is due to the need to deliver high performance, power optimized systems in shorter development cycles.

The Arm CoreSight System Trace Macrocell (STM) extends low-cost real-time visibility of software and hardware execution to all software developers. In particular application and kernel developers, enabling rich, optimized and low power software on Arm processor-powered devices across the whole supply chain.

Start designing now

Arm Flexible Access gives you quick and easy access to this IP, relevant tools and models, and valuable support. You can evaluate and design solutions before committing to production, and only pay when you’re ready to manufacture.


  • A program that is running on a desktop.
  • CoreSight technical introduction

    Learn about the basics of Arm CoreSight debug and trace technology, and how to implement it in a system.

    Read here
  • A program that is running on a desktop.
  • Introduction to CoreSight SoC-400

    This short video introduces the motivation behind the requirement for debug and trace, and provides an overview of how CoreSight SoC-400 can help build this functionality into SoC designs.

    Watch video
  • A program that is running on a desktop.
  • Better trace for better software with Arm CoreSight

    This white paper explores the limitations of existing software debug and trace technologies, and explains how the Arm CoreSight System Trace Macrocell (STM) and Trace Memory Controller (TMC) enable system level visibility to more developers. This reduces latency and increases throughput, at the same time as applying existing open source trace infrastructures.

    Read here
  • A program that is running on a desktop.
  • Low pin-count debug interfaces for multi-device systems

    This white paper examines some alternatives to JTAG as a debug interface, and concludes that a serial wire debug interface can be delivered with lower pin-count and higher performance, and maintain support for multiprocessor systems and interoperability with test.

    Read here
  • A development Board.
  • Key steps to create a debug and trace solution for an Arm SoC

    The global cost of debugging software has risen to $312 billion annually. This whitepaper outlines the key steps to create a debug and trace solution for an Arm SoC.

    Read here

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Suggested answer I2C problem on Cypress PSoC3 (with EEPROM and FRAM too) 0 votes 5141 views 5 replies Latest 7 hours ago by Andy Neil Answer this
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Suggested answer JTAG/SWD and entering debug monitor
  • Debug Adapters
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Not answered AHB Lite 0 votes 295 views 0 replies Started 3 days ago by Jenish Radadiya Answer this
Suggested answer Design considerations for implementing flash program download
  • CoreSight Architecture
  • SWD
  • Debug Access Port (DAP)
0 votes 5887 views 3 replies Latest 4 days ago by Mohamed Nasser Answer this
Suggested answer I2C problem on Cypress PSoC3 (with EEPROM and FRAM too) Latest 7 hours ago by Andy Neil 5 replies 5141 views
Suggested answer application which takes audio input from uart and give text output Latest 9 hours ago by verduy 1 replies 3807 views
Suggested answer JTAG/SWD and entering debug monitor Latest yesterday by vaiyawa 2 replies 4187 views
Suggested answer how to covert Speech to text Latest yesterday by vaiyawa 2 replies 5781 views
Not answered AHB Lite Started 3 days ago by Jenish Radadiya 0 replies 295 views
Suggested answer Design considerations for implementing flash program download Latest 4 days ago by Mohamed Nasser 3 replies 5887 views