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unable to get into bootloader on stm32f103

Question asked by ml.michal on May 31, 2013
Latest reply on May 31, 2013 by ml.michal

i bought 2 chips STM32F103RET6 , i put them into boards,
one chip is working normally , so it's possible to flash it via USART1,
but second one is not reacting on USART1 for new flash, and i think that it's not reacting also on nRST button,
could you help me ? is it possible to restore bootloader ?
i don't know what else it could be ...

i don't have programmer st-link, but i have FTDI with jtag, is it possible / working to get it running using FTDI's JTAG ?

Kind regards,