5.8 Serial Bridge
This application is used to download the firmware into the ATWINC15x0 using
            the host MCU. This application resides in the host MCU, and the
                image_downloader.exe/winc_programmer_UART.exe  tool communicates with the
            ATWINC15x0/ATWINC3400 using a serial bridge application. 
        - The SAM D21 Xplained Pro
 - The ATWINC15x0/ATWINC3400 on the EXT1 header
 
It is possible to use this application to port into a different Microchip
            MCU or another vendor MCU as well.
    Note: For more details on using the serial bridge application, refer to Integrated Serial Flash Memory
                    Download Procedure.
