New: Infineon Memtool 49

The headline feature is native, hardware-accelerated support for AURIX TC4x devices. The TC4x series features up to 6 TriCore cores, a PPU (Parallel Processing Unit), and massive flash banks (up to 32 MB).

Connected to device: TC297
Core status: Halted

Before dissecting the "49 New" update, it is vital to understand the tool’s role. Unlike full-blown IDEs like AURIX Development Studio or Tasking, Memtool is a lean, standalone, GUI-based flash programming tool.

Core functions include:

Historically, Memtool was loved for its simplicity and reliability. However, as Infineon pushed into multi-core AURIX TC3xx and TC4x devices, the old Memtool struggled with throughput and complex security configurations. Version 4.9 addresses this head-on.

MemTool is a PC-based software utility designed for programming the on-chip Flash memory of Infineon microcontrollers. It allows developers to program devices directly on a printed circuit board (PCB) via standard debug interfaces such as JTAG or SWD (Serial Wire Debug), without needing a full-blown IDE or a complex production programmer.

The most controversial change in previous versions was the lack of flexibility for new device families. V4.9 introduces a Plug-in System.

Engineers can now download a single .mtp (Memtool Plugin) file for a specific derivative (e.g., the new XMC7200). You no longer need to uninstall and reinstall the entire tool for a minor device variant. This is a massive quality-of-life improvement for teams managing multiple product lines.

You might be wondering why "49" is significant. The previous stable release was V4.8. The jump to V4.9 is not a simple point release; it represents a fork in functionality. The "New" moniker attached by the community refers to the new architecture underneath.

Infineon Memtool V4.9 was first teased at the 2024 Embedded World conference, with general availability rolling out in Q1 2025. It is a complete rewrite of the backend driver layer, moving from a device-specific hard-coded logic to a unified, Hexagon-based dynamic linking system.

Infineon Memtool 4.9 is a professional software tool designed for on-chip flash programming of Infineon microcontrollers, most notably the AURIX and XMC families. The 4.9.x series represents a significant shift as the software has moved to a full 64-bit architecture, meaning it no longer supports 32-bit Windows systems.  🛠️ Key New Features in Version 4.9 

64-Bit Requirement: Must be installed on 64-bit Windows 10 or newer.

AURIX TC49x Support: Preliminary support for the high-performance TC49x A-step microcontrollers has been added.

Updated DAS Server: Includes DAS server package 7.3.7, which improves communication reliability via USB/JTAG interfaces like the miniWiggler.

Enhanced UCB Programming: Revised configuration for User Configuration Blocks (UCB) on TC3xx devices, specifically supporting new mapping entries and SOTA (Software Over The Air) mode.

Default Configuration Files: Added new default .cfg files for TC32x and TC33x TriBoards.  📖 How to Use Memtool 4.9 

Memtool is primarily used to erase, program, verify, and protect flash memory. Below is the standard workflow for setting up a connection and programming a device.  1. Setup and Connection 

Hardware Interface: Use a standard PC serial port, USB-to-RS232 converter, or the Infineon miniWiggler for JTAG/DAP communication.

Software Install: Run the setup.exe with administrator permissions. The package usually includes the necessary DAS drivers.  2. Target Configuration  Open Memtool and go to Target -> Change.

Click Default to browse the built-in library of Infineon evaluation boards.

Select your specific device (e.g., AURIX TC39x or XMC1300) and the communication mode (e.g., Minimon/ASC for bootstrap loader or DAS for JTAG). Save the configuration and click Connect.  3. Programming the Flash 

Open File: Load your binary or hex file (Intel-Hex or Motorola S-Record) via the File menu.

Select Sections: Choose whether to program the entire memory or only specific flash sections. infineon memtool 49 new

Execute: Use the Erase, Program, and Verify buttons to perform the actions. Memtool will automatically handle the necessary flash protection settings if configured.  ⚠️ Common Troubleshooting & Tips 

"Access Denied" Errors: Often caused by Windows USB driver updates or conflicting software holding the COM port. Ensure the Infineon DAS JDS COM port is correctly recognized in Device Manager.

UCB Locking: Be cautious when modifying User Configuration Blocks. Incorrect settings can permanently lock the debug interface of the microcontroller.

Batch Mode: For automated production environments, Memtool supports batch commands, though advanced scripting might require the full commercial version from PLS Programmierbare Logik & Systeme.  If you'd like to dive deeper, let me know: 

Which specific microcontroller (e.g., TC375, XMC4500) you are using?

What hardware interface (e.g., miniWiggler, DAP, UART) you have?

If you are encountering a specific error code during connection? 

I can provide the exact steps or configuration settings for your specific hardware. 

Microcontroller Reprogramming Procedure via Infineon Memtool

Infineon MemTool 49: a compact utility unveiling fresh memory maps — new addresses stitched into silicon dreams. Engineers tap its GUI like a key, unlocking firmware whispers, patching runtime ghosts. Updates blink: stability, speed, margin. In the lab's blue glare, code and hardware reconcile, iterative perfection humming.

Inside Infineon MemTool 4.9: New Features and Enhancements for Embedded Developers

Infineon MemTool is a widely used, free-of-charge utility designed for on-chip flash programming, erasing, verifying, and protecting memory sectors on Infineon microcontroller families, including AURIX™, AURIX™ TC2x/TC3x, and XMC™.

The version 4.9 series brought significant improvements over previous versions (such as v4.6 and v4.7), focusing on 64-bit compatibility, advanced security, and better support for newer AURIX™ TC3x derivatives. What’s New in MemTool 4.9

According to release notes and community updates, MemTool 4.9 offers several key updates to enhance reliability and workflow for automotive and industrial developers: 1. Native 64-bit Application

Starting from v4.9, Infineon MemTool is a full 64-bit application, ensuring better compatibility with modern Windows 64-bit environments and improved performance with larger firmware files. Note that this means it cannot be installed on 32-bit Windows systems. 2. Enhanced TC3x AURIX™ Support

Default Configuration Files: Improved default configuration files for TC32x and TC33x TriBoards, allowing for faster setup.

UCB Programming Reworked: Reworked support for User Configuration Blocks (UCB) specifically for UCB_SWAP to handle new mapping entries.

SOTA Mode: Enabled support for Secure On-The-Air (SOTA) mode with unlocked UCB_SWAP.

BMI/CRC Checks: Included CRC checks for BMI (Boot Mode Index) headers for improved security verification. 3. Improved Communication and Debugging

DAS Server Update: Includes DAS (Device Access Server) package version 7.3.5, offering better stability for JTAG/DAP connection, particularly with the miniWiggler.

Fixes: Resolved connection issues related to SSWWAIT options in TC3 ASC bootstrap loader mode. 4. Batch Command Functionality

MemTool 4.9 continues to support batch commands for automated programming tasks (though this feature is limited in newer 2024+ "Memtool" versions, making 4.9 a critical version for automation users). It supports commanding via .imt files to manage connections and flash operations. Core Capabilities Retained in 4.9 Erasing: Full FLASH module or selected sectors. Programming: Loading Intel Hex and Motorola S-Record files. Verification: Comparing programmed data to memory contents. Protection: Setting/Resetting Chip and Sector Protection. Important Considerations Test connection Target → Connect You should see:

Free for Development: MemTool is intended for development purposes only and does not provide the robust production security guarantees offered by professional tools like the PLS UDE Memtool .

No Direct Offset Flash: In version 4.9, there is no direct option to flash inactive banks with an offset; users must manually calculate and update the linker script for binary file generation, according to Infineon Community reports . Summary of Recent Versions

v4.9.3 (2021): Introduced 64-bit software, newer DAS packages.

v4.9.2 (2021): Focused on UCB_SWAP and SOTA mode improvements.

2024-2025 Updates: Newer "Memtool" versions (2024/2025) exist but have changed batch scripting support compared to the 4.9 branch.

For the most up-to-date and secure production flashing, you should compare this tool with the commercial UDE Memtool.

To help me make this article more useful, could you tell me:

Are you primarily working with AURIX TC3x or XMC microcontrollers? Are you looking to use the GUI or batch scripting? I can then provide specific examples for your workflow. Infineon Memtool

Telemetry Settings. We collect anonymous data to help us to understand how the Infineon Developer Center is used, its performance, Infineon Developer Center Infineon Memtool

Infineon MemTool 4.9 is a free, PC-based software utility designed for the high-performance on-chip flash programming of Infineon microcontrollers. This version introduces critical updates for automotive and industrial developers, specifically enhancing support for the AURIX™ TC3xx and TC49x families. Key Features and Updates in Version 4.9

The 4.9 release cycle (including sub-versions like 4.9.2 and 4.9.3) represents a shift toward modern 64-bit architecture and advanced automotive safety features.

Transition to 64-Bit: Infineon MemTool is now a full 64-bit software. It is no longer compatible with 32-bit Windows systems, ensuring better performance and compatibility with modern development workstations. Enhanced AURIX™ Support:

TC49x A-Step: Version 4.9 provides preliminary support for the latest TC49x A-step devices.

TC3xx Families: Added default configuration files for TC32x and TC33x TriBoards.

UCB Programming: Direct programming of User Configuration Blocks (UCB) is now enabled by default for all TC3 series devices.

Over-the-Air (SOTA) Improvements: The tool now supports enabling Software-Over-the-Air (SOTA) mode with unlocked UCB_SWAP, facilitating easier firmware update testing.

Updated DAS Integration: The software includes the DAS (Device Access Server) package 7.3.7, providing more stable communication via miniWiggler and other hardware interfaces. Core Functionalities

MemTool 4.9 remains the standard tool for basic flash operations across several Infineon families, including TriCore™, XC2000, XMC4000, and XMC1000.

Flash Operations: Users can erase, program, verify, and protect selectable flash sections or the entire program and data flash areas.

File Format Support: It supports industry-standard files, including Intel Hex (.hex) and Motorola S-Record files.

Communication Interfaces: It connects via standard RS232 ports, USB-to-RS232 converters, or high-speed JTAG/DAP interfaces using the Infineon miniWiggler.

Batch Command Support: For automated testing and production-like environments, MemTool 4.9 supports a set of batch commands for script-based operation. Installation and Requirements Before dissecting the "49 New" update, it is

To get started with the latest version, users should download the installer from the official Infineon Software Tools portal. Operating System: Windows 10 or newer (64-bit only).

License: Free of charge for evaluation and development purposes.

Hardware Compatibility: Works with the full range of Infineon evaluation boards and application kits. What is Memtool? - Infineon Developer Community

Infineon Memtool 4.9 is a free, Windows-based utility used to handle on-chip flash and OTP (One-Time Programmable) memory for various Infineon microcontroller families . The tool is essential for developers to erase, program, verify, and protect memory on evaluation boards and custom hardware . Key Features & New Updates

Target Support: Version 4.9 added preliminary support for the AURIX TC49x A-step microcontrollers .

Integrated Server: It includes the Infineon Device Access Server (DAS) v7.3.7, which facilitates communication between the PC and the target hardware .

Flexible Programming: Supports individual flash sections or full chip operations .

Batch Capability: Includes a set of batch commands (e.g., open_file, program, disconnect) for automated production or testing environments . Supported Hardware Families

Memtool 4.9 works across a broad range of Infineon MCU architectures : AURIX/TriCore: TC2xx, TC3xx, and the new TC4xx series. XMC Industrial: XMC1000 and XMC4000 families. Legacy Families: XC800, XC16x, and XC2000. Getting Started with Memtool 4.9

Installation: Run setup.exe or the single executable IMT4.exe with administrator permissions on Windows 10 (64-bit) or newer . Connection: Connect your target board to the PC via: UART/RS232: Using a standard port or virtual COM . JTAG/DAP: Using tools like the Infineon miniWiggler . Target Selection: Go to Target > Change in the menu .

Click Default to browse pre-configured files for Infineon evaluation kits .

Flashing: Open your Intel-Hex or binary firmware file, select the target memory sections, and execute the Program function . Resources for Advanced Users

Automated Scripts: For command-line execution, refer to the Memtool Batch Commands Guide .

Full Feature Set: Professional versions with CAN support and expanded features are available through 3rd-party providers like PLS Programmierbare Logik & Systeme . Infineon MemTool batch commands

This story follows Alex, an automotive engineer tasked with updating a prototype Electronic Control Unit (ECU). The goal is to successfully use the Infineon MemTool 4.9

, the latest iteration of Infineon's free on-chip flash programming utility. Infineon Developer Center Chapter 1: The Setup Alex starts by installing MemTool 4.9.0 , noting its shift to a 64-bit only architecture , meaning it no longer supports 32-bit Windows systems. The version includes the Device Access Server (DAS) 7.3.7

, crucial for establishing communication between his PC and the hardware. Alex connects the hardware using an Infineon miniWiggler and launches the application. Infineon Developer Center Chapter 2: Configuration and New Features Alex needs to flash a new AURIX™ TC49x A-step chip. He is pleased to see that MemTool 4.9 now includes preliminary support for this specific device. Target Selection: Target -> Change

and browses to the default configuration files. He finds that direct UCB (User Configuration Block)

programming is now enabled by default for TC3xx devices, simplifying his workflow. Safety First:

He notices a key update intended to prevent the unwanted complete erasure of UCBs, a safeguard that could have previously bricked his device if mismanaged. Chapter 3: The Flashing Process Alex opens his Intel HEX file and prepares to program. He follows these standard steps: Select Communication: He selects the miniWiggler via the DAS interface. and monitors the status bar to ensure a stable handshake. Program and Verify: to write the data, followed immediately by to ensure the flash content matches his source file. Chapter 4: Troubleshooting the "Inactive Bank" Alex later attempts to flash an inactive flash bank for a firmware swap mechanism. He discovers that MemTool 4.9

allow flashing with a direct offset. To solve this, he must manually calculate the offset in his linker script to generate a binary file specifically targeted at that inactive memory region. Infineon Developer Community Conclusion

With the successful verification message, Alex's ECU is ready for testing. He reminds himself that while MemTool is an excellent free tool for development, commercial alternatives like those from PLS Universal Debug Engine are recommended for high-volume production environments. Infineon Developer Community steps or specific DAS configuration Flash inactive bank - Infineon Developer Community 6 Nov 2024 —

Crucially, Memtool remains freeware. You do not need a paid license, unlike many commercial flash tools.

Security Warning: Do not download Memtool from third-party forums. Version 4.9 includes signed drivers; fake versions circulating on file-hosting sites contain malware targeting embedded supply chains.