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6. If everything went well, you are now connected to the bootloader. You can read/write
memory, load hex files and edit Option Bytes. You cannot view MCU core window and Serial
view window; this is possible only when debugging with connected ST-LINK.
7. In order to flash a new firmware, open an .elf file by „Open file" button and press
„Download" button. A .hex file can be used also but the Address of 0x8000000 has to be
chosen manually.
If you want to exit the bootloader, you must restart the device.
5.3 In-Circuit Serial Programming
The ST's ST-LINK SWD connection can be used for both programming and debugging the code directly
on the device. The device's enclosure will have to be open in order to access ICSP pads.
The SWD signals are available over J5 as depicted in Figure 7.
MACH SYSTEMS s.r.o.
CAN FD LIN Gateway - User Manual
www.machsystems.cz
info@machsystems.cz
Page 13 of 18
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