In-Circuit Serial Programming - MACH SYSTEMS MACH-ETH User Manual

d. You do not have to change the UART settings provided that the baud rate is lower or
equal to 115200. Procedure of connecting to the USB is almost identical.
e. Click connect. You will see screen similar to this one.
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. More about selecting right address for specific firmware in 5.
If you want to exit the bootloader, you must restart the device.

5.7 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 10.
MACH SYSTEMS s.r.o.
www.machsystems.cz
info@machsystems.cz
MACH ETH - User Manual
Page 15 of 20