[UNVERIFIED] Astra diagram pass
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@@ -48,22 +48,11 @@ not the safety-critical shutoff path.
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The permission gates operate from `+5V_MAIN` and accept 3.3 V MCU logic
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levels. Their outputs are 5 V logic levels.
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```text
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protected 5 V --> independent NO contact A --> protected A input
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+--> 3.3 V --> DEADMAN_A_STATUS --> MCU
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`--> 5 V --> DEADMAN_A_HELD -----+
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protected 5 V --> independent NO contact B --> protected B input +--> AND --> DEADMAN_OK --+
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+--> 3.3 V --> DEADMAN_B_STATUS --> MCU ^ |
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`--> inverter --> DEADMAN_B_RELEASED -- NOT-+ |
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MCU_RUN_PERMIT ---------------------------------------------------------------------------------------------AND --> ENGINE_PERMIT --+
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ignition-permission inverter
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--> SAFE_IGNITION_INHIBIT
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MCU_INJECTOR_SIG -------------------------------------------------------------------------------------------AND --> SAFE_INJECTOR_SIG
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```
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The logic equations are:
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