Bruna Excogi — Fixed

| Q | A | |---|---| | | Only by releasing a new ROM revision and re‑flashing the device. The lockstep and signed‑image mechanisms prevent runtime patching. | | Is there any way to debug in the field? | No. Field debugging is deliberately disabled to preserve safety integrity. You can enable a diagnostic mode at production via a one‑time fuse that unlocks a limited JTAG interface for service centers. | | What are the power consumption figures? | Typical active power: 120 mW at 400 MHz (core + I/O). Deep‑sleep: < 2 µW . | | Does it support OTA updates? | Not directly. OTA can be implemented at a higher system level (e.g., a gateway that swaps the entire ROM module), but the Bruna ExCogi Fixed board itself cannot rewrite its own ROM. | | Are there radiation‑hardened options? | Yes, Bruna offers a “RAD‑HARD” variant with a hardened silicon substrate and triple‑modular redundancy (TMR) lockstep. |

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