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- Sat Jul 25, 2026 9:15 am
- Forum: EOS-S3
- Topic: How to use EOS in Companion Mode (with external host processor)
- Replies: 7
- Views: 15219
Re: How to use EOS in Companion Mode (with external host processor)
I ran into this exact hurdle when integrating the EOS S3 with an external MCU. Because the EOS relies on volatile SRAM, loading the firmware over SPI Slave on every cold boot is mandatory unless you switch to Standalone mode using an external SPI Flash. For practical implementation, I found QuickLog...