component
ATTINY817-MFR
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "attiny817-mfr",
"title": "ATTINY817-MFR",
"brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-24-EP(4x4). 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",
"single chip microcomputer-microcontroller",
"attiny817-mfr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ATTINY817-MFR",
"manufacturer": "Microchip Tech",
"package": "QFN-24-EP(4x4)",
"pin_count": 25,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e4808216a0499d6169ddc3f7d1962c0e.pdf",
"parts": {
"symbol": "attiny817-mfr.kicad_sym",
"footprint": "attiny817-mfr.kicad_mod",
"model_3d": "attiny817-mfr-hero.glb",
"model_3d_plain": "attiny817-mfr-etched.glb",
"model_3d_step": "attiny817-mfr-etched.step",
"model_3d_step_plain": "attiny817-mfr.step",
"lbr": "attiny817-mfr.lbr"
},
"distributor_links": {
"lcsc": "C2053166",
"digikey": "ATTINY817-MFRTR-ND",
"mouser": "579-ATTINY817-MFR"
},
"distributor_check": {
"checked_at": "2026-10-30T22:45:17Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATTINY817-MFRTR-ND",
"status": "found"
},
"mouser": {
"pn": "579-ATTINY817-MFR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA2",
"type": "bidirectional",
"description": "PA2 is a general-purpose I/O pin on PORTA that can also serve as EVOUT0, AIN2, RxD, MISO or SCL, with alternate positions selected through PORTMUX."
},
{
"number": "2",
"name": "PA3 (EXTCLK)",
"type": "bidirectional",
"description": "PA3 is a general-purpose I/O pin on PORTA that serves as the external clock input EXTCLK, and can also serve as AIN3, XCK or SCK."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "GND is the ground reference pin for the device."
},
{
"number": "4",
"name": "VDD",
"type": "power_in",
"description": "VDD is the power supply pin, with an operating supply range of 1.8 V to 5.5 V."
},
{
"number": "5",
"name": "PA4",
"type": "bidirectional",
"description": "PA4 is a general-purpose I/O pin on PORTA that can also serve as AIN4, X0/Y0 for PTC, XDIR, SS, WO4, WOA or LUT0-OUT."
},
{
"number": "6",
"name": "PA5",
"type": "bidirectional",
"description": "PA5 is a general-purpose I/O pin on PORTA that can also serve as AIN5, X1/Y1, OUT, WO5 or WOB."
},
{
"number": "7",
"name": "PA6",
"type": "bidirectional",
"description": "PA6 is a general-purpose I/O pin on PORTA that can also serve as AIN6, X2/Y2, AINN0 or the DAC0 OUT analog output."
},
{
"number": "8",
"name": "PA7",
"type": "bidirectional",
"description": "PA7 is a general-purpose I/O pin on PORTA that can also serve as AIN7, X3/Y3, AINP0 or LUT1-OUT."
},
{
"number": "9",
"name": "PB7",
"type": "bidirectional",
"description": "PB7 is a general-purpose I/O pin on PORTB that is available on the 24-pin package."
},
{
"number": "10",
"name": "PB6",
"type": "bidirectional",
"description": "PB6 is a general-purpose I/O pin on PORTB that is available on the 24-pin package."
},
{
"number": "11",
"name": "PB5",
"type": "bidirectional",
"description": "PB5 is a general-purpose I/O pin on PORTB that can also serve as CLKOUT, AIN8, AINP1 or WO2."
},
{
"number": "12",
"name": "PB4",
"type": "bidirectional",
"description": "PB4 is a general-purpose I/O pin on PORTB that can also serve as AIN9, AINN1, WO1 or LUT0-OUT."
},
{
"number": "13",
"name": "PB3 (TOSC1)",
"type": "bidirectional",
"description": "PB3 is a general-purpose I/O pin on PORTB that serves as the 32.768 kHz crystal oscillator input TOSC1, and can also serve as RxD or WO0."
},
{
"number": "14",
"name": "PB2 (TOSC2)",
"type": "bidirectional",
"description": "PB2 is a general-purpose I/O pin on PORTB that serves as the 32.768 kHz crystal oscillator output TOSC2, and can also serve as EVOUT1, TxD or WO2."
},
{
"number": "15",
"name": "PB1",
"type": "bidirectional",
"description": "PB1 is a general-purpose I/O pin on PORTB that can also serve as AIN10, X4/Y4, XCK, SDA or WO1."
},
{
"number": "16",
"name": "PB0",
"type": "bidirectional",
"description": "PB0 is a general-purpose I/O pin on PORTB that can also serve as AIN11, X5/Y5, XDIR, SCL or WO0."
},
{
"number": "17",
"name": "PC0",
"type": "bidirectional",
"description": "PC0 is a general-purpose I/O pin on PORTC that can also serve as SCK, WO or WOC."
},
{
"number": "18",
"name": "PC1",
"type": "bidirectional",
"description": "PC1 is a general-purpose I/O pin on PORTC that can also serve as MISO, WOD or LUT1-OUT."
},
{
"number": "19",
"name": "PC2",
"type": "bidirectional",
"description": "PC2 is a general-purpose I/O pin on PORTC that can also serve as EVOUT2 or MOSI."
},
{
"number": "20",
"name": "PC3",
"type": "bidirectional",
"description": "PC3 is a general-purpose I/O pin on PORTC that can also serve as SS, WO3 or LUT1-IN0."
},
{
"number": "21",
"name": "PC4",
"type": "bidirectional",
"description": "PC4 is a general-purpose I/O pin on PORTC that can also serve as WO4 or LUT1-IN1."
},
{
"number": "22",
"name": "PC5",
"type": "bidirectional",
"description": "PC5 is a general-purpose I/O pin on PORTC that can also serve as WO5 or LUT1-IN2."
},
{
"number": "23",
"name": "PA0 (RESET/UPDI)",
"type": "bidirectional",
"description": "PA0 is the Reset/UPDI pin, whose function is set by the RSTPINCFG fuse to GPIO, UPDI or RESET, and it can also serve as AIN0 or LUT0-IN0."
},
{
"number": "24",
"name": "PA1",
"type": "bidirectional",
"description": "PA1 is a general-purpose I/O pin on PORTA that can also serve as AIN1, TxD, MOSI, SDA or LUT0-IN1."
},
{
"number": "25",
"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-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 24-pin VQFN drawing has a large center exposed pad. The datasheet recommends soldering it to gro; Pin names follow the 24-pin VQFN column of Table 5-1 (page 19). Alternate-function positions can be "
],
"pages_sent": 120,
"cost_usd": 0.1071,
"at": "2026-10-30T22:45:04"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/e4808216a0499d6169ddc3f7d1962c0e.pdf",
"pages": 596,
"sha256": "c2392fe1c4c9666a",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "attiny817-mfr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "attiny817-mfr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4,
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "ea6cd4c9625594ea9661d6c0c3d21eed4570400732b7aa60393edf236affcc7d",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "QFN-24-EP(4x4)",
"Category": "Single Chip Microcomputer/Microcontroller",
"Pins": "25"
},
"appearance": {
"contacts": {
"quote": "including indium tin oxide (ITO) sensor grids. The PTC requires one pin per X-line and one pin per Y-line. In the Self Capacitance mode, the PTC requires only one pin (Y-line) for each touch sensor.",
"page": 461,
"doc": "ds.pdf",
"plating": "tin"
},
"version": 1,
"datasheet_sha256": "c2392fe1c4c9666ad0541f054aa49f18994ca36cc1f13bed81d036b2eaa7f8af"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "c2392fe1c4c9666ad0541f054aa49f18994ca36cc1f13bed81d036b2eaa7f8af",
"rows": [
{
"name": "Supply voltage",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 560,
"source": "datasheet"
},
{
"name": "Operating temperature range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 560,
"source": "datasheet"
},
{
"name": "Maximum CPU speed",
"symbol": "",
"kind": "recommended_operating",
"unit": "MHz",
"min": null,
"typ": null,
"max": 16,
"conditions": "",
"source_page": 560,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"attiny817-mfr"
],
"discovery_pitch": "ATTINY817-MFR (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
},
"files": [
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"attiny817-mfr.kicad_sym",
"attiny817-mfr.kicad_mod",
"attiny817-mfr.glb",
"attiny817-mfr.step",
"attiny817-mfr.lbr",
"docs/hero.png",
"docs/attiny817-mfr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"attiny817-mfr-hero.glb",
"attiny817-mfr-hero.overlay.json",
"attiny817-mfr-etched.glb"
],
"visibility": {
"public": true
}
}