{
  "name": "MCS-4 I/O Demonstration System",
  "description": "Intel MCS-4 system demonstrating 4001 I/O functionality",
  "version": "1.0.0",
  "metadata": {
    "rom_size": 256,
    "ram_size": 80,
    "cpu_speed": 750000,
    "io_ports": 4,
    "description": "Demonstrates I/O port operations on Intel 4001"
  },
  "components": {
    "CPU": {
      "single": {
        "component_type": "intel_4004",
        "name": "CPU_4004",
        "properties": {
          "clock_speed": 750000
        }
      }
    },
    "CLOCK": {
      "single": {
        "component_type": "generic_clock",
        "name": "CLOCK_750KHZ",
        "properties": {
          "frequency": 750000
        }
      }
    },
    "ROM_4001_0": {
      "single": {
        "component_type": "intel_4001",
        "name": "ROM_4001_0",
        "properties": {}
      }
    },
    "RAM_4002_0": {
      "single": {
        "component_type": "intel_4002",
        "name": "RAM_4002_0",
        "properties": {
          "variant": "Type1",
          "access_time": 500
        }
      }
    }
  },
  "connections": {
    "clock_to_cpu_phi1": {
      "connection_type": "clock",
      "source": {
        "component": "CLOCK_750KHZ",
        "pin": "CLK"
      },
      "targets": [
        {
          "component": "CPU_4004",
          "pin": "PHI1"
        },
        {
          "component": "ROM_4001_0",
          "pin": "PHI1"
        },
        {
          "component": "RAM_4002_0",
          "pin": "PHI1"
        }
      ]
    },
    "clock_to_cpu_phi2": {
      "connection_type": "clock",
      "source": {
        "component": "CLOCK_750KHZ",
        "pin": "CLK"
      },
      "targets": [
        {
          "component": "CPU_4004",
          "pin": "PHI2"
        },
        {
          "component": "ROM_4001_0",
          "pin": "PHI2"
        },
        {
          "component": "RAM_4002_0",
          "pin": "PHI2"
        }
      ]
    },
    "data_bus": {
      "connection_type": "bus",
      "source": {
        "component": "CPU_4004",
        "pin": "D0"
      },
      "targets": [
        {
          "component": "ROM_4001_0",
          "pin": "D0"
        },
        {
          "component": "RAM_4002_0",
          "pin": "D0"
        }
      ]
    },
    "data_bus_d1": {
      "connection_type": "bus",
      "source": {
        "component": "CPU_4004",
        "pin": "D1"
      },
      "targets": [
        {
          "component": "ROM_4001_0",
          "pin": "D1"
        },
        {
          "component": "RAM_4002_0",
          "pin": "D1"
        }
      ]
    },
    "data_bus_d2": {
      "connection_type": "bus",
      "source": {
        "component": "CPU_4004",
        "pin": "D2"
      },
      "targets": [
        {
          "component": "ROM_4001_0",
          "pin": "D2"
        },
        {
          "component": "RAM_4002_0",
          "pin": "D2"
        }
      ]
    },
    "data_bus_d3": {
      "connection_type": "bus",
      "source": {
        "component": "CPU_4004",
        "pin": "D3"
      },
      "targets": [
        {
          "component": "ROM_4001_0",
          "pin": "D3"
        },
        {
          "component": "RAM_4002_0",
          "pin": "D3"
        }
      ]
    },
    "sync_signal": {
      "connection_type": "control",
      "source": {
        "component": "CPU_4004",
        "pin": "SYNC"
      },
      "targets": [
        {
          "component": "ROM_4001_0",
          "pin": "SYNC"
        },
        {
          "component": "RAM_4002_0",
          "pin": "SYNC"
        }
      ]
    },
    "cm_rom_signal": {
      "connection_type": "control",
      "source": {
        "component": "CPU_4004",
        "pin": "CM_ROM"
      },
      "targets": [
        {
          "component": "ROM_4001_0",
          "pin": "CM"
        }
      ]
    },
    "cm_ram_signal": {
      "connection_type": "control",
      "source": {
        "component": "CPU_4004",
        "pin": "CM_RAM"
      },
      "targets": [
        {
          "component": "RAM_4002_0",
          "pin": "CM"
        }
      ]
    },
    "io_select_signal": {
      "connection_type": "control",
      "source": {
        "component": "CPU_4004",
        "pin": "TEST"
      },
      "targets": [
        {
          "component": "ROM_4001_0",
          "pin": "CI"
        }
      ]
    },
    "reset_signal": {
      "connection_type": "control",
      "source": {
        "component": "CPU_4004",
        "pin": "RESET"
      },
      "targets": [
        {
          "component": "ROM_4001_0",
          "pin": "RESET"
        },
        {
          "component": "RAM_4002_0",
          "pin": "RESET"
        }
      ]
    }
  },
  "layout": {
    "grid_size": [4, 4],
    "positions": {
      "CPU_4004": [0, 0],
      "CLOCK_750KHZ": [0, 1],
      "ROM_4001_0": [1, 0],
      "RAM_4002_0": [2, 0]
    }
  }
}