component
ATTINY3217-MFR
Public Made by Adomby adom
Microchip Tech Microcontrollers (MCU/MPU/SOC), WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "attiny3217-mfr",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Microcontrollers (MCU/MPU/SOC), WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"embedded processors & controllers",
"attiny3217-mfr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"attiny3217-mfr.kicad_sym",
"attiny3217-mfr.kicad_mod",
"attiny3217-mfr.glb",
"attiny3217-mfr.step",
"attiny3217-mfr.lbr",
"docs/hero.png",
"docs/attiny3217-mfr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"attiny3217-mfr-hero.glb",
"attiny3217-mfr-hero.overlay.json",
"attiny3217-mfr-etched.glb"
],
"component": {
"mpn": "ATTINY3217-MFR",
"manufacturer": "Microchip Tech",
"package": "WQFN-24-EP(4x4)",
"pin_count": 25,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588940829309718528",
"parts": {
"symbol": "attiny3217-mfr.kicad_sym",
"footprint": "attiny3217-mfr.kicad_mod",
"model_3d": "attiny3217-mfr-hero.glb",
"model_3d_plain": "attiny3217-mfr-etched.glb",
"model_3d_step": "attiny3217-mfr-etched.step",
"model_3d_step_plain": "attiny3217-mfr.step",
"lbr": "attiny3217-mfr.lbr"
},
"distributor_links": {
"lcsc": "C617969",
"digikey": "ATTINY3217-MFRTR-ND",
"mouser": "579-ATTINY3217-MFR"
},
"distributor_check": {
"checked_at": "2026-10-18T01:17:26Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATTINY3217-MFRTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "579-ATTINY3217-MFR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA2",
"type": "bidirectional",
"description": "PORTA bit 2 general-purpose I/O, also usable as EVOUT0, AIN2, USART0 RxD, SPI0 MISO, TWI0 SCL and LUT0-IN2; PA2 has full asynchronous pin-change detection."
},
{
"number": "2",
"name": "PA3",
"type": "bidirectional",
"description": "PORTA bit 3 general-purpose I/O, also usable as the EXTCLK external clock input, AIN3, USART0 XCK, SPI0 SCK, TCA0 WO3 and TCB1."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device; the exposed pad should also be soldered to ground."
},
{
"number": "4",
"name": "VDD",
"type": "power_in",
"description": "Input supply voltage, operating range 2.7 V to 5.5 V."
},
{
"number": "5",
"name": "PA4",
"type": "bidirectional",
"description": "PORTA bit 4 general-purpose I/O, also usable as AIN4, ADC1 AIN0, PTC X0/Y0, USART0 XDIR, SPI0 SS, TCA0 WO4, TCD0 WOA and LUT0-OUT."
},
{
"number": "6",
"name": "PA5",
"type": "bidirectional",
"description": "PORTA bit 5 general-purpose I/O, also usable as the VREFA external voltage reference input, AIN5, ADC1 AIN1, PTC X1/Y1, AC0 AINN0, TCA0 WO5, TCB0 and CCL WOB."
},
{
"number": "7",
"name": "PA6",
"type": "bidirectional",
"description": "PORTA bit 6 general-purpose I/O, also usable as AIN6, DAC0 OUT (analog output) and LUT1-OUT on the analog-capable pin set."
},
{
"number": "8",
"name": "PA7",
"type": "bidirectional",
"description": "PORTA bit 7 general-purpose I/O, also usable as AIN7, ADC1 AIN3, PTC X3/Y3 and LUT1-OUT."
},
{
"number": "9",
"name": "PB7",
"type": "bidirectional",
"description": "PORTB bit 7 general-purpose I/O, also usable as analog input AIN4 and AC inputs AINN1 and AINP3 (VQFN-only pin)."
},
{
"number": "10",
"name": "PB6",
"type": "bidirectional",
"description": "PORTB bit 6 general-purpose I/O, also usable as analog input AIN5 and AC inputs AINP3 and AINN1 (VQFN-only pin)."
},
{
"number": "11",
"name": "PB5",
"type": "bidirectional",
"description": "PORTB bit 5 general-purpose I/O, also usable as CLKOUT, AIN8, PTC X12/Y12, AC inputs AINP1 and AINP2, and TCA0 WO2."
},
{
"number": "12",
"name": "PB4",
"type": "bidirectional",
"description": "PORTB bit 4 general-purpose I/O, also usable as AIN9, PTC X13/Y13, AINN1, AINP3, TCA0 WO1 and LUT0-OUT."
},
{
"number": "13",
"name": "PB3",
"type": "bidirectional",
"description": "PORTB bit 3 general-purpose I/O, also usable as TOSC1, the crystal oscillator input for the 32.768 kHz oscillator, plus OUT, USART0 RxD and TCA0 WO0."
},
{
"number": "14",
"name": "PB2",
"type": "bidirectional",
"description": "PORTB bit 2 general-purpose I/O, also usable as TOSC2, the crystal oscillator output for the 32.768 kHz oscillator, plus EVOUT1, OUT, USART0 TxD and TCA0 WO2."
},
{
"number": "15",
"name": "PB1",
"type": "bidirectional",
"description": "PORTB bit 1 general-purpose I/O, also usable as AIN10, PTC X4/Y4, AC input AINP2, USART0 XCK, TWI0 SDA and TCA0 WO1."
},
{
"number": "16",
"name": "PB0",
"type": "bidirectional",
"description": "PORTB bit 0 general-purpose I/O, also usable as AIN11, PTC X5/Y5, AC inputs AINP2 and AINP1, USART0 XDIR, TWI0 SCL and TCA0 WO0."
},
{
"number": "17",
"name": "PC0",
"type": "bidirectional",
"description": "PORTC bit 0 general-purpose I/O, also usable as ADC0 AIN6, PTC X6/Y6, SPI0 SCK, TCB0 and TCA0 WOC."
},
{
"number": "18",
"name": "PC1",
"type": "bidirectional",
"description": "PORTC bit 1 general-purpose I/O, also usable as ADC0 AIN7, PTC X7/Y7, SPI0 MISO, TCA0 WOD and LUT1-OUT."
},
{
"number": "19",
"name": "PC2",
"type": "bidirectional",
"description": "PORTC bit 2 general-purpose I/O, also usable as EVOUT2, ADC0 AIN8, PTC X8/Y8 and SPI0 MOSI."
},
{
"number": "20",
"name": "PC3",
"type": "bidirectional",
"description": "PORTC bit 3 general-purpose I/O, also usable as ADC0 AIN9, PTC X9/Y9, SPI0 SS, TCA0 WO3 and LUT1-IN0."
},
{
"number": "21",
"name": "PC4",
"type": "bidirectional",
"description": "PORTC bit 4 general-purpose I/O, also usable as ADC0 AIN10, PTC X10/Y10, TCA0 WO4, TCB1 and LUT1-IN1."
},
{
"number": "22",
"name": "PC5",
"type": "bidirectional",
"description": "PORTC bit 5 general-purpose I/O, also usable as ADC0 AIN11, PTC X11/Y11, TCA0 WO5 and LUT1-IN2."
},
{
"number": "23",
"name": "PA0/RESET/UPDI",
"type": "bidirectional",
"description": "Multiplexed pin: RESET or the one-wire UPDI programming/debug interface, selected by the RSTPINCFG fuse (GPIO, UPDI or RESET), otherwise PORTA bit 0 with ADC0 AIN0 and LUT0-IN0."
},
{
"number": "24",
"name": "PA1",
"type": "bidirectional",
"description": "PORTA bit 1 general-purpose I/O, also usable as AIN1, USART0 TxD, SPI0 MOSI, TWI0 SDA and 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: MPN given as ATTINY3217-MFR does not appear in the datasheet ordering table. The closest 24-pin VQFN; The 2.6 mm exposed (center) pad is not given a pin number in the text and no pin entry was created f; The page 15 pin diagram text is scrambled, so the pin-to-name mapping was taken from Table 5-1 (VQFN",
"exposed pad 25 added from the footprint",
"1/25 pins cited to the wrong page (name found elsewhere): ['23:PA0/RESET/UPDI@p35']"
],
"pages_sent": 88,
"cost_usd": 0.3136,
"at": "2026-10-18T01:15:27"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588940829309718528",
"pages": 572,
"sha256": "97cb689010a2d3b4",
"source_tier": "lcsc"
},
"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": [
{
"file": "attiny3217-mfr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "attiny3217-mfr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "59a707de7a27fb51278c07505fb3dc2a291011720301ecd1d6633e9e9d3776ac",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}