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Selection of a specific boot device is defined by the state of the switches on the SOM-BSB development board, as follows:
SW4.2 | SW4.3 | SW4.4 | |
Boot from SD Card | - | OFF | ON |
Boot from on-module eMMC | - | ON | OFF |
Boot from USB Serial Downloader | - | OFF | OFF |
Boot in Debug engineering mode | OFF | ON | ON |
2.1. Hardware Modifications for Boot in Debug Engineering Mode
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Refer to the following additional information on how to boot from the various devices:
Booting from USB Serial Downloader.