component
ATTINY816-MFR
Public Made by Adomby adom
Microchip Tech MICROCHIP, WQFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "attiny816-mfr",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech MICROCHIP, WQFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"embedded processors & controllers",
"attiny816-mfr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"attiny816-mfr.kicad_sym",
"attiny816-mfr.kicad_mod",
"attiny816-mfr.glb",
"attiny816-mfr.step",
"attiny816-mfr.lbr",
"docs/hero.png",
"docs/attiny816-mfr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"attiny816-mfr-hero.glb",
"attiny816-mfr-hero.overlay.json",
"attiny816-mfr-etched.glb"
],
"component": {
"mpn": "ATTINY816-MFR",
"manufacturer": "Microchip Tech",
"package": "WQFN-20-EP(3x3)",
"pin_count": 21,
"category": "Embedded Processors & Controllers",
"subcategory": "MICROCHIP",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/195942ad127646789280d41c78957c90.pdf",
"parts": {
"symbol": "attiny816-mfr.kicad_sym",
"footprint": "attiny816-mfr.kicad_mod",
"model_3d": "attiny816-mfr-hero.glb",
"model_3d_plain": "attiny816-mfr-etched.glb",
"model_3d_step": "attiny816-mfr-etched.step",
"model_3d_step_plain": "attiny816-mfr.step",
"lbr": "attiny816-mfr.lbr"
},
"distributor_links": {
"lcsc": "C152217"
},
"distributor_check": {
"checked_at": "2026-10-22T22:15:45Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "PA2",
"type": "bidirectional",
"description": "GPIO PA2 with EVOUT0, ADC input AIN2, USART0 RxD, SPI0 MISO, TWI0 SCL and LUT0-IN2 functions."
},
{
"number": "2",
"name": "PA3",
"type": "bidirectional",
"description": "GPIO PA3 with EXTCLK external clock input, ADC input AIN3, USART0 XCK, SPI0 SCK and TCA0 WO3 functions."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "4",
"name": "VDD",
"type": "power_in",
"description": "Power supply input, 1.8V to 5.5V operating range."
},
{
"number": "5",
"name": "PA4",
"type": "bidirectional",
"description": "GPIO PA4 with ADC input AIN4, PTC X0/Y0, USART0 XDIR, SPI0 SS, TCA0 WO4, TCD0 WOA and LUT0-OUT functions."
},
{
"number": "6",
"name": "PA5",
"type": "bidirectional",
"description": "GPIO PA5 with ADC input AIN5, PTC X1/Y1, OUT, TCA0 WO5, TCB0 WO and TCD0 WOB functions."
},
{
"number": "7",
"name": "PA6",
"type": "bidirectional",
"description": "GPIO PA6 with ADC input AIN6, PTC X2/Y2, analog comparator input AINN0 and DAC0 OUT analog output functions."
},
{
"number": "8",
"name": "PA7",
"type": "bidirectional",
"description": "GPIO PA7 with ADC input AIN7, PTC X3/Y3, analog comparator input AINP0 and LUT1-OUT functions."
},
{
"number": "9",
"name": "PB5",
"type": "bidirectional",
"description": "GPIO PB5 with CLKOUT, ADC input AIN8, analog comparator input AINP1 and TCA0 WO2 functions."
},
{
"number": "10",
"name": "PB4",
"type": "bidirectional",
"description": "GPIO PB4 with ADC input AIN9, analog comparator input AINN1, TCA0 WO1 and LUT0-OUT functions."
},
{
"number": "11",
"name": "PB3",
"type": "bidirectional",
"description": "GPIO PB3 with TOSC1 32.768kHz crystal pin, USART0 RxD and TCA0 WO0 functions."
},
{
"number": "12",
"name": "PB2",
"type": "bidirectional",
"description": "GPIO PB2 with TOSC2 32.768kHz crystal pin, EVOUT1, USART0 TxD and TCA0 WO2 functions."
},
{
"number": "13",
"name": "PB1",
"type": "bidirectional",
"description": "GPIO PB1 with ADC input AIN10, PTC X4/Y4, USART0 XCK, TWI0 SDA and TCA0 WO1 functions."
},
{
"number": "14",
"name": "PB0",
"type": "bidirectional",
"description": "GPIO PB0 with ADC input AIN11, PTC X5/Y5, USART0 XDIR, TWI0 SCL and TCA0 WO0 functions."
},
{
"number": "15",
"name": "PC0",
"type": "bidirectional",
"description": "GPIO PC0 with SPI0 SCK, TCB0 WO and TCD0 WOC functions."
},
{
"number": "16",
"name": "PC1",
"type": "bidirectional",
"description": "GPIO PC1 with SPI0 MISO, TCD0 WOD and LUT1-OUT functions."
},
{
"number": "17",
"name": "PC2",
"type": "bidirectional",
"description": "GPIO PC2 with EVOUT2 and SPI0 MOSI functions."
},
{
"number": "18",
"name": "PC3",
"type": "bidirectional",
"description": "GPIO PC3 with SPI0 SS, TCA0 WO3 and LUT1-IN0 functions."
},
{
"number": "19",
"name": "PA0/RESET/UPDI",
"type": "bidirectional",
"description": "GPIO PA0 that is configurable via the RSTPINCFG fuse as RESET or the single-pin UPDI programming/debug interface, also ADC input AIN0 and LUT0-IN0."
},
{
"number": "20",
"name": "PA1",
"type": "bidirectional",
"description": "GPIO PA1 with BREAK, ADC input AIN1, USART0 TXD, SPI0 MOSI, TWI0 SDA and LUT0-IN1 functions."
},
{
"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 text never mentions an exposed pad, so none is listed. The hint says WQFN-20-EP, but t; The multiplexing table lists some functions without saying which peripheral they belong to (the 'OUT"
],
"pages_sent": 103,
"cost_usd": 0.6686,
"at": "2026-10-22T22:15:30"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/195942ad127646789280d41c78957c90.pdf",
"pages": 500,
"sha256": "8c098cfa6cb00a08",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "attiny816-mfr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.0,
3.0,
0.52
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "0ee4e1082236390795238cd34b082d96efd160d6292c636cc40201a5a30cdc63",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "attiny816-mfr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.0,
3.0,
0.52
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "879a712235e375562d216b679de65e5dcdc9e9934e6270b50bccee31e64b6fcc",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}