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The internal bootloader built-in STM32 microcontrollers is designed to allow the programming of the internal Flash and RAM memories using one or more embedded serial peripherals like USART, CAN, USB, I2C, SPI or others.
The X-CUBE-EXTBOOT is developed to allow the programming of an external Quad-SPI Flash memory using the internal bootloader via the UART protocol. It can be a driver for users to develop their own bootloaders.
This firmware is developed with the STM32Cube embedded software. It uses the IAR™ EWARM, the Keil® MDK-ARM™ and the SW4STM32 tool chains and can be easily tailored for any other tool chain.
The STM32446E-EVAL boards have been used to develop and validate the firmware. However, it can be easily ported on other platforms.
For more details refer to the application note Programming an external Flash memory using the UART bootloader built-in STM32 microcontrollers (AN4852).主要特性
- STM32 bootloader
- UART protocol
- Quad-SPI external memory
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Follow issues and share solutions on Github for STM32Cube MCU packages. Integrate your own software components in a STM32Cube Expansion for STM32CubeMX and STM32CubeIDE tools, thanks to the new STM32PackCreator utility
STM32CubeMX is part of the STM32Cube initiative designed to simplify and accelerate the development of applications for STM32 microcontrollers. STM32CubeMX offers the possibility to generate C projects using embedded software offers packages like CMSIS-Pack compliant software packs. Starting with the 6.0.0 revision, STM32CubeMX is delivered with STM32PackCreator, an STM32 pack creation graphical companion tool, whose main purpose is the creation of software packs.
MadeForSTM32™ is a new quality label delivered by ST, which is granted after an evaluation process. It helps engineers identify third party solutions with the highest level of integration and quality for the STM32 microcontrollers' ecosystem. MadeForSTM32™ is offered to members of the ST Partner Program who want to go one step further in our collaboration, with the overall objective of contributing to a high-quality STM32 ecosystem.
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