{
  "title": "Ignition timing and inhibit protection",
  "source": "IO_MODULES/IGNITION.md: Command and inhibit path",
  "reference_scope": "documentation only",
  "components": [
    {
      "ref": "J0",
      "kind": "port",
      "pins": [
        "P"
      ],
      "value": "STM32 timing (3.3 V)"
    },
    {
      "ref": "BUFFER",
      "kind": "functional-block",
      "pins": [
        "IN",
        "OUT"
      ],
      "value": "Non-inverting\n3.3 V \u2192 5 V"
    },
    {
      "ref": "RP0",
      "kind": "resistor",
      "pins": [
        "1",
        "2"
      ],
      "value": "1 k\u03a9"
    },
    {
      "ref": "Z0",
      "kind": "zener",
      "pins": [
        "K",
        "A"
      ],
      "value": "Low-C clamp\nVoltage TBD"
    },
    {
      "ref": "G0",
      "kind": "ground-port",
      "pins": [
        "P"
      ],
      "value": "VBG_LOCAL_KELVIN"
    },
    {
      "ref": "U0",
      "kind": "port",
      "pins": [
        "P"
      ],
      "value": "INP"
    },
    {
      "ref": "J1",
      "kind": "port",
      "pins": [
        "P"
      ],
      "value": "SAFE_IGNITION_INHIBIT"
    },
    {
      "ref": "RP1",
      "kind": "resistor",
      "pins": [
        "1",
        "2"
      ],
      "value": "1 k\u03a9"
    },
    {
      "ref": "Z1",
      "kind": "zener",
      "pins": [
        "K",
        "A"
      ],
      "value": "Low-C clamp\nVoltage TBD"
    },
    {
      "ref": "G1",
      "kind": "ground-port",
      "pins": [
        "P"
      ],
      "value": "VBG_LOCAL_KELVIN"
    },
    {
      "ref": "U1",
      "kind": "port",
      "pins": [
        "P"
      ],
      "value": "EN"
    }
  ],
  "nets": [
    {
      "name": "STM32 timing (3.3 V)",
      "connections": [
        "J0.P",
        "BUFFER.IN"
      ]
    },
    {
      "name": "TIMING_5V",
      "connections": [
        "BUFFER.OUT",
        "RP0.1"
      ]
    },
    {
      "name": "INP",
      "connections": [
        "RP0.2",
        "Z0.K",
        "U0.P"
      ]
    },
    {
      "name": "VBG_LOCAL_KELVIN",
      "connections": [
        "Z0.A",
        "G0.P",
        "Z1.A",
        "G1.P"
      ]
    },
    {
      "name": "SAFE_IGNITION_INHIBIT",
      "connections": [
        "J1.P",
        "RP1.1"
      ]
    },
    {
      "name": "EN",
      "connections": [
        "RP1.2",
        "Z1.K",
        "U1.P"
      ]
    }
  ],
  "no_connects": []
}