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Firmware Update RAM requirements

Question asked by bujak.daniel on Jun 8, 2018
Latest reply on Jun 8, 2018 by Clive Two.Zero

I'm looking to do some firmware updates over CAN bus on an M0 based part (possibly F091) which it looks like will require a custom bootloader. Do I need to pick a part with enough RAM to store the entire firmware image so I can transfer the image to the bootloader and then write it to flash? Or I there a way to transfer directly to flash to eliminate the requirement of the RAM being able to hold the entire image?