PIC18F46K20-I

{
  "slug": "pic18f46k20-i",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Microcontrollers (MCU/MPU/SOC), TQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "pic18f46k20-i",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pic18f46k20-i.kicad_sym",
    "pic18f46k20-i.kicad_mod",
    "pic18f46k20-i.glb",
    "pic18f46k20-i.step",
    "pic18f46k20-i.lbr",
    "docs/hero.png",
    "docs/pic18f46k20-i-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pic18f46k20-i-hero.glb",
    "pic18f46k20-i-hero.overlay.json",
    "pic18f46k20-i-etched.glb"
  ],
  "component": {
    "mpn": "PIC18F46K20-I",
    "manufacturer": "Microchip Tech",
    "package": "TQFP-44(10x10)",
    "pin_count": 44,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182037783265280",
    "parts": {
      "symbol": "pic18f46k20-i.kicad_sym",
      "footprint": "pic18f46k20-i.kicad_mod",
      "model_3d": "pic18f46k20-i-hero.glb",
      "model_3d_plain": "pic18f46k20-i-etched.glb",
      "model_3d_step": "pic18f46k20-i-etched.step",
      "model_3d_step_plain": "pic18f46k20-i.step",
      "lbr": "pic18f46k20-i.lbr"
    },
    "distributor_links": {
      "lcsc": "C70902"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T09:02:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RC7/RX/DT",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; EUSART asynchronous receive input (RX) or synchronous data I/O (DT)."
      },
      {
        "number": "2",
        "name": "RD4/PSP4",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 4 (PSP4)."
      },
      {
        "number": "3",
        "name": "RD5/PSP5/P1B",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 5 or ECCP1 Enhanced PWM output channel B (P1B)."
      },
      {
        "number": "4",
        "name": "RD6/PSP6/P1C",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 6 or ECCP1 Enhanced PWM output channel C (P1C)."
      },
      {
        "number": "5",
        "name": "RD7/PSP7/P1D",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 7 or ECCP1 Enhanced PWM output channel D (P1D)."
      },
      {
        "number": "6",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for logic and I/O pins."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for logic and I/O pins."
      },
      {
        "number": "8",
        "name": "RB0/INT0/FLT0/AN12",
        "type": "bidirectional",
        "description": "Digital I/O with programmable weak pull-up; external interrupt 0 (INT0), ECCP1 PWM Fault input (FLT0), or ADC analog input channel 12."
      },
      {
        "number": "9",
        "name": "RB1/INT1/AN10/C12IN3-",
        "type": "bidirectional",
        "description": "Digital I/O with programmable weak pull-up; external interrupt 1 (INT1), ADC analog input channel 10, or comparator C1/C2 inverting input channel 3."
      },
      {
        "number": "10",
        "name": "RB2/INT2/AN8",
        "type": "bidirectional",
        "description": "Digital I/O with programmable weak pull-up; external interrupt 2 (INT2) or ADC analog input channel 8."
      },
      {
        "number": "11",
        "name": "RB3/AN9/C12IN2-/CCP2",
        "type": "bidirectional",
        "description": "Digital I/O with programmable weak pull-up; ADC analog input channel 9, comparator C1/C2 inverting input channel 2, or CCP2 capture/compare/PWM (alternate pin when CCP2MX is cleared)."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "14",
        "name": "RB4/KBI0/AN11",
        "type": "bidirectional",
        "description": "Digital I/O with programmable weak pull-up; interrupt-on-pin-change KBI0 or ADC analog input channel 11."
      },
      {
        "number": "15",
        "name": "RB5/KBI1/PGM",
        "type": "bidirectional",
        "description": "Digital I/O with programmable weak pull-up; interrupt-on-pin-change KBI1 or low-voltage ICSP programming enable (PGM)."
      },
      {
        "number": "16",
        "name": "RB6/KBI2/PGC",
        "type": "bidirectional",
        "description": "Digital I/O with programmable weak pull-up; interrupt-on-pin-change KBI2 or in-circuit debugger and ICSP programming clock (PGC)."
      },
      {
        "number": "17",
        "name": "RB7/KBI3/PGD",
        "type": "bidirectional",
        "description": "Digital I/O with programmable weak pull-up; interrupt-on-pin-change KBI3 or in-circuit debugger and ICSP programming data (PGD)."
      },
      {
        "number": "18",
        "name": "MCLR/VPP/RE3",
        "type": "input",
        "description": "Active-low Master Clear (device Reset) input when MCLRE is enabled, programming voltage input (VPP), or digital input RE3 when MCLR is disabled."
      },
      {
        "number": "19",
        "name": "RA0/AN0/C12IN0-",
        "type": "bidirectional",
        "description": "Digital I/O (TTL input); ADC analog input channel 0 or comparator C1/C2 inverting input channel 0."
      },
      {
        "number": "20",
        "name": "RA1/AN1/C12IN0-",
        "type": "bidirectional",
        "description": "Digital I/O (TTL input); ADC analog input channel 1 or comparator C1/C2 inverting input (printed as C12IN0- in the 40/44-pin table)."
      },
      {
        "number": "21",
        "name": "RA2/AN2/VREF-/CVREF/C2IN+",
        "type": "bidirectional",
        "description": "Digital I/O (TTL input); ADC analog input channel 2, A/D reference voltage (low) input VREF-, comparator reference voltage output CVREF, or comparator C2 non-inverting input."
      },
      {
        "number": "22",
        "name": "RA3/AN3/VREF+/C1IN+",
        "type": "bidirectional",
        "description": "Digital I/O (TTL input); ADC analog input channel 3, A/D reference voltage (high) input VREF+, or comparator C1 non-inverting input."
      },
      {
        "number": "23",
        "name": "RA4/T0CKI/C1OUT",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Timer0 external clock input (T0CKI) or comparator C1 output."
      },
      {
        "number": "24",
        "name": "RA5/AN4/SS/HLVDIN/C2OUT",
        "type": "bidirectional",
        "description": "Digital I/O (TTL input); ADC analog input channel 4, SPI slave select input (SS), high/low-voltage detect input (HLVDIN), or comparator C2 output."
      },
      {
        "number": "25",
        "name": "RE0/RD/AN5",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port read control (RD) or ADC analog input channel 5."
      },
      {
        "number": "26",
        "name": "RE1/WR/AN6",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port write control (WR) or ADC analog input channel 6."
      },
      {
        "number": "27",
        "name": "RE2/CS/AN7",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port chip select (CS) or ADC analog input channel 7."
      },
      {
        "number": "28",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for logic and I/O pins."
      },
      {
        "number": "29",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for logic and I/O pins."
      },
      {
        "number": "30",
        "name": "OSC1/CLKIN/RA7",
        "type": "bidirectional",
        "description": "Oscillator crystal or external clock input (OSC1/CLKIN) in oscillator modes; otherwise general purpose I/O RA7."
      },
      {
        "number": "31",
        "name": "OSC2/CLKOUT/RA6",
        "type": "bidirectional",
        "description": "Oscillator crystal output (OSC2) or CLKOUT at FOSC/4 in RC mode; otherwise general purpose I/O RA6."
      },
      {
        "number": "32",
        "name": "RC0/T1OSO/T13CKI",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Timer1 oscillator output (T1OSO) or Timer1/Timer3 external clock input (T13CKI)."
      },
      {
        "number": "33",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "34",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "35",
        "name": "RC1/T1OSI/CCP2",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Timer1 oscillator input (T1OSI) or CCP2 capture/compare/PWM (default CCP2 pin when CCP2MX is set)."
      },
      {
        "number": "36",
        "name": "RC2/CCP1/P1A",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; ECCP1 capture/compare input/output or Enhanced PWM output channel A (P1A)."
      },
      {
        "number": "37",
        "name": "RC3/SCK/SCL",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; MSSP synchronous serial clock input/output for SPI (SCK) or I2C (SCL) mode."
      },
      {
        "number": "38",
        "name": "RD0/PSP0",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 0 (TTL input when PSP is enabled)."
      },
      {
        "number": "39",
        "name": "RD1/PSP1",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 1 (TTL input when PSP is enabled)."
      },
      {
        "number": "40",
        "name": "RD2/PSP2",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 2 (TTL input when PSP is enabled)."
      },
      {
        "number": "41",
        "name": "RD3/PSP3",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 3 (TTL input when PSP is enabled)."
      },
      {
        "number": "42",
        "name": "RC4/SDI/SDA",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; MSSP SPI data input (SDI) or I2C data I/O (SDA)."
      },
      {
        "number": "43",
        "name": "RC5/SDO",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; MSSP SPI data output (SDO)."
      },
      {
        "number": "44",
        "name": "RC6/TX/CK",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; EUSART asynchronous transmit output (TX) or synchronous clock I/O (CK)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The 44-pin TQFP pin diagram is not present in the extracted text (only the 28-pin diagrams are). All; Pin types are engineering classifications, not printed in the datasheet as single types. Multi-funct; Printed names were normalized or kept as printed. The table prints RB3 as 'C12IN23-' in one row, whi"
        ],
        "pages_sent": 85,
        "cost_usd": 0.4136,
        "at": "2026-10-19T09:02:32"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182037783265280",
        "pages": 440,
        "sha256": "4e7e234c713a2325",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 44,
        "described": 44,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "pic18f46k20-i.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "61ecec1147f835d2c9d165c450b1c8d53e65b038f6ca1dac3066a2dfb1bbbb85",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pic18f46k20-i-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "be162771e21081f4ee15bfd81a2e62a2ffff99592b0d43fd6d670e33cecc5ae6",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}