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Copyright © Murata Manufacturing Co., Ltd. All rights reserved.
22 March 2018
How to Enter DFU mode – HW Method (1)
In case there is no ST-linker tool and the module does not have a valid/working FW
loaded, following the steps here can put the module into DFU mode.
The pictures below show the location of the Boot0 pin of the MCU
•
Boot0 = 0 when power up, normal working mode (default mode)
•
Boot0 = 1 when power up, module into DFU mode
This pad is
3.3V
This pad is
Boot0 signal