In Companion Mode, the EOS is typically booted by an external host. In this case, the firmware must be loaded via the SPI slave interface on every power-up, as the EOS does not automatically boot a persistent image by itself. Other boot options (e.g. standalone boot from external flash) exist, but ...

The more relevant current device family is the CSSP-BXFDN120, which is part of the ArcticLink III BX display-bridge family. This device explicitly bridges RGB inputs to LVDS (single or dual link).