PIC18F4620-I

{
  "schema_version": 1,
  "type": "component",
  "slug": "pic18f4620-i",
  "title": "PIC18F4620-I",
  "brief": "Microchip Tech Microcontrollers (MCU/MPU/SOC), TQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "pic18f4620-i",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PIC18F4620-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/8586181540123955200",
    "parts": {
      "symbol": "pic18f4620-i.kicad_sym",
      "footprint": "pic18f4620-i.kicad_mod",
      "model_3d": "pic18f4620-i-hero.glb",
      "model_3d_plain": "pic18f4620-i-etched.glb",
      "model_3d_step": "pic18f4620-i-etched.step",
      "model_3d_step_plain": "pic18f4620-i.step",
      "lbr": "pic18f4620-i.lbr"
    },
    "distributor_links": {
      "lcsc": "C9790"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T23:34:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "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 (RX) or synchronous data (DT)."
      },
      {
        "number": "2",
        "name": "RD4/PSP4",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 4 (TTL inputs when PSP is enabled)."
      },
      {
        "number": "3",
        "name": "RD5/PSP5/P1B",
        "type": "bidirectional",
        "description": "Digital I/O; also Parallel Slave Port data bit 5 or Enhanced CCP1 PWM output channel B (takes priority over port and PSP data)."
      },
      {
        "number": "4",
        "name": "RD6/PSP6/P1C",
        "type": "bidirectional",
        "description": "Digital I/O; also Parallel Slave Port data bit 6 or Enhanced CCP1 PWM output channel C (takes priority over port and PSP data)."
      },
      {
        "number": "5",
        "name": "RD7/PSP7/P1D",
        "type": "bidirectional",
        "description": "Digital I/O; also Parallel Slave Port data bit 7 or Enhanced CCP1 PWM output channel D (takes priority over port and PSP data)."
      },
      {
        "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 weak pull-up when RBPU is cleared; external interrupt 0, Enhanced PWM fault input (ECCP1), and analog input 12."
      },
      {
        "number": "9",
        "name": "RB1/INT1/AN10",
        "type": "bidirectional",
        "description": "Digital I/O with weak pull-up when RBPU is cleared; external interrupt 1 and analog input 10."
      },
      {
        "number": "10",
        "name": "RB2/INT2/AN8",
        "type": "bidirectional",
        "description": "Digital I/O with weak pull-up when RBPU is cleared; external interrupt 2 and analog input 8."
      },
      {
        "number": "11",
        "name": "RB3/AN9/CCP2",
        "type": "bidirectional",
        "description": "Digital I/O with weak pull-up when RBPU is cleared; analog input 9 and alternate CCP2 capture/compare/PWM 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 weak pull-up when RBPU is cleared; interrupt-on-change pin and analog input 11."
      },
      {
        "number": "15",
        "name": "RB5/KBI1/PGM",
        "type": "bidirectional",
        "description": "Digital I/O with weak pull-up when RBPU is cleared; interrupt-on-change pin and low-voltage ICSP programming enable pin."
      },
      {
        "number": "16",
        "name": "RB6/KBI2/PGC",
        "type": "bidirectional",
        "description": "Digital I/O with weak pull-up when RBPU is cleared; interrupt-on-change pin and in-circuit debugger/ICSP programming clock pin."
      },
      {
        "number": "17",
        "name": "RB7/KBI3/PGD",
        "type": "bidirectional",
        "description": "Digital I/O with weak pull-up when RBPU is cleared; interrupt-on-change pin and in-circuit debugger/ICSP programming data pin."
      },
      {
        "number": "18",
        "name": "MCLR/VPP/RE3",
        "type": "input",
        "description": "Active-low Master Clear (Reset) input when MCLRE is set; programming voltage (VPP) detect input; RE3 digital input when MCLR functionality is disabled."
      },
      {
        "number": "19",
        "name": "RA0/AN0",
        "type": "bidirectional",
        "description": "Digital I/O (TTL); analog input 0 and comparator C1- input."
      },
      {
        "number": "20",
        "name": "RA1/AN1",
        "type": "bidirectional",
        "description": "Digital I/O (TTL); analog input 1 and comparator C2- input."
      },
      {
        "number": "21",
        "name": "RA2/AN2/VREF-/CVREF",
        "type": "bidirectional",
        "description": "Digital I/O (TTL); analog input 2, A/D reference voltage (low) input VREF-, and comparator voltage reference output CVREF."
      },
      {
        "number": "22",
        "name": "RA3/AN3/VREF+",
        "type": "bidirectional",
        "description": "Digital I/O (TTL); analog input 3 and A/D reference voltage (high) input VREF+."
      },
      {
        "number": "23",
        "name": "RA4/T0CKI/C1OUT",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Timer0 external clock input (T0CKI) or Comparator 1 output (C1OUT)."
      },
      {
        "number": "24",
        "name": "RA5/AN4/SS/HLVDIN/C2OUT",
        "type": "bidirectional",
        "description": "Digital I/O (TTL); analog input 4, SPI slave select input (SS), high/low-voltage detect input (HLVDIN), or Comparator 2 output (C2OUT)."
      },
      {
        "number": "25",
        "name": "RE0/RD/AN5",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port read control input (RD) when PSP is enabled, or analog input 5."
      },
      {
        "number": "26",
        "name": "RE1/WR/AN6",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port write control input (WR) when PSP is enabled, or analog input 6."
      },
      {
        "number": "27",
        "name": "RE2/CS/AN7",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port chip select input (CS) when PSP is enabled, or analog input 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/CLKI/RA7",
        "type": "input",
        "description": "Oscillator crystal or external clock input (OSC1/CLKI); becomes digital I/O RA7 in external-oscillator-disabled modes."
      },
      {
        "number": "31",
        "name": "OSC2/CLKO/RA6",
        "type": "bidirectional",
        "description": "Oscillator crystal output or FOSC/4 clock output (CLKO) in RC/EC modes; becomes digital I/O RA6 in RCIO, INTIO2 and ECIO modes."
      },
      {
        "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 pin (default assignment when CCP2MX is set)."
      },
      {
        "number": "36",
        "name": "RC2/CCP1/P1A",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input; CCP1 capture/compare/PWM pin or Enhanced CCP1 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 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 inputs 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 inputs 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 inputs 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 inputs 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 (TX) or synchronous clock (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 TQFP-44 column of Table 1-3 is used for the pin mapping. The datasheet marking example (page 366; Multiplexed pins are typed by their primary or digital I/O function (bidirectional). Pin 18 is typed; Pins 12, 13, 33 and 34 are listed as NC (no connect) in the TQFP column of Table 1-3, so they are ty"
        ],
        "pages_sent": 64,
        "cost_usd": 0.3573,
        "at": "2026-10-20T23:31:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181540123955200",
        "pages": 390,
        "sha256": "4692e51177e0a8bb",
        "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"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.1
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "61ecec1147f835d2c9d165c450b1c8d53e65b038f6ca1dac3066a2dfb1bbbb85",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
        "file": "pic18f4620-i-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "182bc2c156fb97c3f1dcdce04f81f140b6935c5064743f805d9e3a49d5071f33",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TQFP-44(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "44"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4692e51177e0a8bbec6b39f9d88561c594d1da4846e327eb59c003e2847f27e1",
      "rows": [
        {
          "name": "Supply voltage (standard F device)",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.2,
          "typ": null,
          "max": 5.5,
          "conditions": "Standard Enhanced Flash 'F' devices; LF parts have 2.0V to 5.5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Operating frequency",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "Printed as DC – 40 MHz (Table 1-1)",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "HS oscillator input frequency in HSPLL mode",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "HS oscillator feeding PLL (x4) in HSPLL mode",
          "source_page": 26,
          "source": "datasheet"
        },
        {
          "name": "PLL output frequency with internal oscillator",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 32,
          "conditions": "PLL enabled in INTOSC modes; PLL works only at 4 MHz or 8 MHz INTOSC output",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "RC oscillator external resistor REXT",
          "symbol": "REXT",
          "kind": "recommended_operating",
          "unit": "kΩ",
          "min": 3,
          "typ": null,
          "max": 100,
          "conditions": "External RC oscillator mode, recommended values",
          "source_page": 27,
          "source": "datasheet"
        },
        {
          "name": "RC oscillator external capacitor CEXT",
          "symbol": "CEXT",
          "kind": "recommended_operating",
          "unit": "pF",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "External RC oscillator mode, recommended CEXT > 20 pF",
          "source_page": 27,
          "source": "datasheet"
        },
        {
          "name": "MCLR pull-up resistor to VDD",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "kΩ",
          "min": 1,
          "typ": null,
          "max": 10,
          "conditions": "MCLR tied to VDD through resistor for Power-on Reset (recommended)",
          "source_page": 43,
          "source": "datasheet"
        },
        {
          "name": "Maximum recommended analog source impedance",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "kΩ",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "A/D conversion, maximum recommended impedance for analog sources",
          "source_page": 230,
          "source": "datasheet"
        },
        {
          "name": "Maximum device frequency, A/D clock 2 TOSC",
          "symbol": "ADCS2:ADCS0",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 2.86,
          "conditions": "PIC18F2X20/4X20, TAD = 2 TOSC, ADCS2:ADCS0 = 000",
          "source_page": 231,
          "source": "datasheet"
        },
        {
          "name": "Maximum device frequency, A/D clock 4 TOSC",
          "symbol": "ADCS2:ADCS0",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 5.71,
          "conditions": "PIC18F2X20/4X20, TAD = 4 TOSC, ADCS2:ADCS0 = 100",
          "source_page": 231,
          "source": "datasheet"
        },
        {
          "name": "Maximum device frequency, A/D clock 8 TOSC",
          "symbol": "ADCS2:ADCS0",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 11.43,
          "conditions": "PIC18F2X20/4X20, TAD = 8 TOSC, ADCS2:ADCS0 = 001",
          "source_page": 231,
          "source": "datasheet"
        },
        {
          "name": "Maximum device frequency, A/D clock 16 TOSC",
          "symbol": "ADCS2:ADCS0",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 22.86,
          "conditions": "PIC18F2X20/4X20, TAD = 16 TOSC, ADCS2:ADCS0 = 101",
          "source_page": 231,
          "source": "datasheet"
        },
        {
          "name": "Maximum device frequency, A/D clock 32 TOSC",
          "symbol": "ADCS2:ADCS0",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "PIC18F2X20/4X20, TAD = 32 TOSC, ADCS2:ADCS0 = 010",
          "source_page": 231,
          "source": "datasheet"
        },
        {
          "name": "Maximum device frequency, A/D clock 64 TOSC",
          "symbol": "ADCS2:ADCS0",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "PIC18F2X20/4X20, TAD = 64 TOSC, ADCS2:ADCS0 = 110",
          "source_page": 231,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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  "discovery_pitch": "PIC18F4620-I (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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