In the configuration you describe, it is often necessary to load the EOS firmware via the SPI Slave interface during each system boot cycle. This necessity arises from the nature of Companion Mode.

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According to the QuickLogic EOS S3 documentation and standard practices in SoC design, there is typically a unique device identifier or SoC ID that can be read from a specific memory-mapped register. However, the EOS S3 Technical Reference Manual does not explicitly list such a SoC ID in an easily a...