Hi Janardhan, You can start looking at which STM32F4xx chip existent on NuttX is more similar to STM32F427AI and start your port based on it.
You can do it using the chip datasheet and/or reference manual, writing down the difference in peripherals, registers, etc. Normally STM32 devices share many features, but sometimes they have small incompatibilities. So, look the existing chips on NuttX (nuttx/arch/arm/src/stm32/hardware/ and nuttx/arch/arm/include/stm32/ Best Regards, Alan On Mon, Feb 12, 2024 at 8:50 AM Janardhan Silwal < janardhansil...@outlook.com> wrote: > Hi Community, > > I have a board which uses STM32F427AI, and was planning on running a > middleware which runs over nuttx, but only noticed, after the board arrived > from manufacturing that there is no option to select, STM32F427AI from the > menuconfig/qconfig. > > I don't have an option to replace the chip to the ones which are currently > supported and thus, want to add the support for STM32F427AI, but don't > know where to start. > > Hoping to get some direction, from where I can start. > > Thanks in advance. > janardhan >