PRG-TOOLBOX-DFU is an open-source tool provided by STMicroelectronics. This tool automates the preparation of STM32 MPU devices through the USB DFU protocol, with the purpose to fuse OTP memory, and to run U-Boot in Fastboot mode.
The tool achieves the startup of the Fastboot mode without requiring any manual hardware setting, based on the U-Boot script.
The tool is a wrapper of dfu-util. It is specifically designed for STM32 MPU devices.
More information can be found in the detailed release notes, referenced later in this article, or in the PRG-TOOLBOX-DFU article.
1. PRG-TOOLBOX-DFU - Version v1.0.0[edit source]
PRG-TOOLBOX-DFU for STM32 Arm® Cortex® MPUs 
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Version v1.0.0
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Arm® is a registered trademark of Arm Limited (or its subsidiaries) in the US and/or elsewhere. 
Arm® is a registered trademark of Arm Limited (or its subsidiaries) in the US and/or elsewhere.