component
PIC18LF14K22-I
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "pic18lf14k22-i",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"pic18lf14k22-i",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
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"pic18lf14k22-i-hero.overlay.json",
"pic18lf14k22-i-etched.glb"
],
"component": {
"mpn": "PIC18LF14K22-I",
"manufacturer": "Microchip Tech",
"package": "QFN-20-EP(4x4)",
"pin_count": 21,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9b5333e1efcfabae43722a24aec606be.pdf",
"parts": {
"symbol": "pic18lf14k22-i.kicad_sym",
"footprint": "pic18lf14k22-i.kicad_mod",
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"model_3d_step_plain": "pic18lf14k22-i.step",
"lbr": "pic18lf14k22-i.lbr"
},
"distributor_links": {
"lcsc": "C638197"
},
"distributor_check": {
"checked_at": "2026-10-27T01:24:46Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "RA3/MCLR/VPP",
"type": "input",
"description": "RA3 digital Schmitt-trigger input, active-low Master Clear with internal pull-up, or high-voltage programming input (VPP)."
},
{
"number": "2",
"name": "RC5/CCP1/P1A",
"type": "bidirectional",
"description": "PORTC digital I/O (ST) with Capture 1 input/Compare 1 output/PWM 1 output and Enhanced CCP1 PWM output P1A."
},
{
"number": "3",
"name": "RC4/C2OUT/P1B/SRNQ",
"type": "bidirectional",
"description": "PORTC digital I/O (ST) with Comparator C2 output, Enhanced CCP1 PWM output P1B and SR latch inverted output."
},
{
"number": "4",
"name": "RC3/AN7/C12IN3-/P1C/PGM",
"type": "bidirectional",
"description": "PORTC digital I/O with ADC channel 7, Comparator C1/C2 inverting input 3, ECCP1 PWM output P1C and low-voltage ICSP programming enable (PGM)."
},
{
"number": "5",
"name": "RC6/AN8/SS",
"type": "bidirectional",
"description": "PORTC digital I/O with ADC channel 8 and SPI slave select input."
},
{
"number": "6",
"name": "RC7/AN9/SDO",
"type": "bidirectional",
"description": "PORTC digital I/O with ADC channel 9 and SPI data out."
},
{
"number": "7",
"name": "RB7/TX/CK",
"type": "bidirectional",
"description": "PORTB digital I/O (TTL) with EUSART asynchronous transmit and EUSART synchronous clock; programmable weak pull-up and interrupt-on-change."
},
{
"number": "8",
"name": "RB6/SCK/SCL",
"type": "bidirectional",
"description": "PORTB digital I/O (TTL) with synchronous serial clock input/output for SPI (SCK) and I2C (SCL) modes."
},
{
"number": "9",
"name": "RB5/AN11/RX/DT",
"type": "bidirectional",
"description": "PORTB digital I/O with ADC channel 11, EUSART asynchronous receive and EUSART synchronous data."
},
{
"number": "10",
"name": "RB4/AN10/SDI/SDA",
"type": "bidirectional",
"description": "PORTB digital I/O with ADC channel 10, SPI data in and I2C data I/O."
},
{
"number": "11",
"name": "RC2/AN6/C12IN2-/P1D",
"type": "bidirectional",
"description": "PORTC digital I/O with ADC channel 6, Comparator C1/C2 inverting input 2 and Enhanced CCP1 PWM output P1D."
},
{
"number": "12",
"name": "RC1/AN5/C12IN1-",
"type": "bidirectional",
"description": "PORTC digital I/O with ADC channel 5 and Comparator C1/C2 inverting input 1."
},
{
"number": "13",
"name": "RC0/AN4/C2IN+",
"type": "bidirectional",
"description": "PORTC digital I/O with ADC channel 4 and Comparator C2 noninverting input."
},
{
"number": "14",
"name": "RA2/AN2/C1OUT/T0CKI/INT2/SRQ",
"type": "bidirectional",
"description": "PORTA digital I/O with ADC channel 2, Comparator C1 output, Timer0 external clock input, external interrupt 2 and SR latch output."
},
{
"number": "15",
"name": "RA1/AN1/C12IN0-/VREF+/INT1/PGC",
"type": "bidirectional",
"description": "PORTA digital I/O with ADC channel 1, Comparator C1/C2 inverting input 0, ADC/DAC high reference input, external interrupt 1 and ICSP programming clock."
},
{
"number": "16",
"name": "RA0/AN0/CVREF/VREF-/C1IN+/INT0/PGD",
"type": "bidirectional",
"description": "PORTA digital I/O with ADC channel 0, DAC reference output, ADC/DAC low reference input, Comparator C1 noninverting input, external interrupt 0 and ICSP programming data."
},
{
"number": "17",
"name": "VSS",
"type": "power_in",
"description": "Ground reference for logic and I/O pins."
},
{
"number": "18",
"name": "VDD",
"type": "power_in",
"description": "Positive supply for logic and I/O pins (2.3-5.5V for PIC18F1XK22, 1.8V-3.6V for PIC18LF1XK22)."
},
{
"number": "19",
"name": "RA5/OSC1/CLKIN/T13CKI",
"type": "bidirectional",
"description": "PORTA digital I/O, oscillator crystal input or external clock input, and Timer1/Timer3 external clock input."
},
{
"number": "20",
"name": "RA4/AN3/OSC2/CLKOUT",
"type": "bidirectional",
"description": "PORTA digital I/O with ADC channel 3, oscillator crystal output, or CLKOUT at 1/4 the OSC1 frequency in RC mode."
},
{
"number": "21",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet pin tables do not describe the QFN exposed pad (no pin number or connection recommenda; Pin types for multiplexed pins were assigned from the primary digital I/O function; RA3 is input-onl"
],
"pages_sent": 56,
"cost_usd": 0.465,
"at": "2026-10-27T01:24:17"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/9b5333e1efcfabae43722a24aec606be.pdf",
"pages": 387,
"sha256": "21f69d409798287f",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
},
"models_3d": [
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"up": "Z",
"units": "mm",
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"checked": "2026-10-27",
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},
{
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}