component
ATMEGA3209-AUR
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "atmega3209-aur",
"title": "ATMEGA3209-AUR",
"brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-48(7x7). 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",
"atmega3209-aur",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ATMEGA3209-AUR",
"manufacturer": "Microchip Tech",
"package": "TQFP-48(7x7)",
"pin_count": 48,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega3208-3209-Data-Sheet-DS40002174A.pdf",
"parts": {
"symbol": "atmega3209-aur.kicad_sym",
"footprint": "atmega3209-aur.kicad_mod",
"model_3d": "atmega3209-aur-hero.glb",
"model_3d_plain": "atmega3209-aur-etched.glb",
"model_3d_step": "atmega3209-aur-etched.step",
"model_3d_step_plain": "atmega3209-aur.step",
"lbr": "atmega3209-aur.lbr"
},
"distributor_links": {
"lcsc": "C2055328",
"digikey": "150-ATMEGA3209-AURTR-ND",
"mouser": "556-ATMEGA3209-AUR"
},
"distributor_check": {
"checked_at": "2026-10-26T03:37:00Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "150-ATMEGA3209-AURTR-ND",
"status": "found"
},
"mouser": {
"pn": "556-ATMEGA3209-AUR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA5",
"type": "bidirectional",
"description": "General-purpose I/O pin PA5 with alternate functions USART0 RxD (alternate position), SPI0 MISO (alternate position) and TCA0 WO5 (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "2",
"name": "PA6",
"type": "bidirectional",
"description": "General-purpose I/O pin PA6 with alternate functions USART0 XCK (alternate position), SPI0 SCK (alternate position) and CCL LUT0-OUT (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "3",
"name": "PA7",
"type": "bidirectional",
"description": "General-purpose I/O pin PA7 with alternate functions CLKOUT, AC0 OUT, USART0 XDIR (alternate position), SPI0 SS and EVOUTA (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "4",
"name": "PB0",
"type": "bidirectional",
"description": "General-purpose I/O pin PB0 with alternate functions USART3 TxD (alternate position) and TCA0 WO0 (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "5",
"name": "PB1",
"type": "bidirectional",
"description": "General-purpose I/O pin PB1 with alternate functions USART3 RxD (alternate position) and TCA0 WO1 (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "6",
"name": "PB2",
"type": "bidirectional",
"description": "General-purpose I/O pin PB2 with alternate functions USART3 XCK (alternate position), TCA0 WO2 (alternate position) and EVOUTB; it can be used as an event input and for external interrupt."
},
{
"number": "7",
"name": "PB3",
"type": "bidirectional",
"description": "General-purpose I/O pin PB3 with alternate functions USART3 XDIR (alternate position) and TCA0 WO3 (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "8",
"name": "PB4",
"type": "bidirectional",
"description": "General-purpose I/O pin PB4 with alternate functions USART3 TxD (alternate position), TCA0 WO4 (alternate position) and TCB2 WO (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "9",
"name": "PB5",
"type": "bidirectional",
"description": "General-purpose I/O pin PB5 with alternate functions USART3 RxD (alternate position), TCA0 WO5 (alternate position) and TCB3 WO; it can be used as an event input and for external interrupt."
},
{
"number": "10",
"name": "PC0",
"type": "bidirectional",
"description": "General-purpose I/O pin PC0 with alternate functions USART1 TxD, SPI0 MOSI (alternate position), TCA0 WO0 (alternate position), TCB2 WO and CCL LUT1-IN0; it can be used as an event input and for external interrupt."
},
{
"number": "11",
"name": "PC1",
"type": "bidirectional",
"description": "General-purpose I/O pin PC1 with alternate functions USART1 RxD, SPI0 MISO (alternate position), TCA0 WO1 (alternate position), TCB3 WO (alternate position) and CCL LUT1-IN1; it can be used as an event input and for external interrupt."
},
{
"number": "12",
"name": "PC2",
"type": "bidirectional",
"description": "General-purpose I/O pin PC2 with alternate functions TWI0 SDA (master, alternate position), USART1 XCK, SPI0 SCK (alternate position), TCA0 WO2 (alternate position), EVOUTC and CCL LUT1-IN2; it can be used as an event input and for external interrupt."
},
{
"number": "13",
"name": "PC3",
"type": "bidirectional",
"description": "General-purpose I/O pin PC3 with alternate functions TWI0 SCL (master, alternate position), USART1 XDIR, SPI0 SS (alternate position), TCA0 WO3 (alternate position) and CCL LUT1-OUT; it can be used as an event input and for external interrupt."
},
{
"number": "14",
"name": "VDD",
"type": "power_in",
"description": "Input supply for the VDD power domain; the device operates from 1.8 V to 5.5 V per the ordering information."
},
{
"number": "15",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "16",
"name": "PC4",
"type": "bidirectional",
"description": "General-purpose I/O pin PC4 with alternate functions USART1 TxD (alternate position) and TCA0 WO4 (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "17",
"name": "PC5",
"type": "bidirectional",
"description": "General-purpose I/O pin PC5 with alternate functions USART1 RxD (alternate position) and TCA0 WO5 (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "18",
"name": "PC6",
"type": "bidirectional",
"description": "General-purpose I/O pin PC6 with alternate functions USART1 XCK (alternate position) and CCL LUT1-OUT (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "19",
"name": "PC7",
"type": "bidirectional",
"description": "General-purpose I/O pin PC7 with alternate functions USART1 XDIR (alternate position) and EVOUTC (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "20",
"name": "PD0",
"type": "bidirectional",
"description": "General-purpose I/O pin PD0 with analog input AIN0 (ADC0), alternate function TCA0 WO0 (alternate position) and CCL LUT2-IN0; it can be used as an event input and for external interrupt."
},
{
"number": "21",
"name": "PD1",
"type": "bidirectional",
"description": "General-purpose I/O pin PD1 with analog input AIN1 (ADC0), analog comparator AC0 positive input P3, alternate function TCA0 WO1 (alternate position) and CCL LUT2-IN1; it can be used as an event input and for external interrupt."
},
{
"number": "22",
"name": "PD2",
"type": "bidirectional",
"description": "General-purpose I/O pin PD2 with analog input AIN2 (ADC0), analog comparator AC0 positive input P0, alternate function TCA0 WO2 (alternate position), EVOUTD and CCL LUT2-IN2; it can be used as an event input and for external interrupt."
},
{
"number": "23",
"name": "PD3",
"type": "bidirectional",
"description": "General-purpose I/O pin PD3 with analog input AIN3 (ADC0), analog comparator AC0 negative input N0, alternate function TCA0 WO3 (alternate position) and CCL LUT2-OUT; it can be used as an event input and for external interrupt."
},
{
"number": "24",
"name": "PD4",
"type": "bidirectional",
"description": "General-purpose I/O pin PD4 with analog input AIN4 (ADC0), analog comparator AC0 positive input P1 and alternate function TCA0 WO4 (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "25",
"name": "PD5",
"type": "bidirectional",
"description": "General-purpose I/O pin PD5 with analog input AIN5 (ADC0), analog comparator AC0 negative input N1 and alternate function TCA0 WO5 (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "26",
"name": "PD6",
"type": "bidirectional",
"description": "General-purpose I/O pin PD6 with analog input AIN6 (ADC0), analog comparator AC0 positive input P2 and CCL LUT2-OUT (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "27",
"name": "PD7",
"type": "bidirectional",
"description": "General-purpose I/O pin PD7 with external ADC voltage reference VREFA, analog input AIN7 (ADC0), analog comparator AC0 negative input N2 and EVOUTD (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "28",
"name": "AVDD",
"type": "power_in",
"description": "Input supply for the AVDD power domain (analog/ADC supply) for the pins on that domain."
},
{
"number": "29",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "30",
"name": "PE0",
"type": "bidirectional",
"description": "General-purpose I/O pin PE0 with analog input AIN8 (ADC0), alternate functions SPI0 MOSI (alternate position) and TCA0 WO0 (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "31",
"name": "PE1",
"type": "bidirectional",
"description": "General-purpose I/O pin PE1 with analog input AIN9 (ADC0), alternate functions SPI0 MISO (alternate position) and TCA0 WO1 (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "32",
"name": "PE2",
"type": "bidirectional",
"description": "General-purpose I/O pin PE2 with analog input AIN10 (ADC0), alternate functions SPI0 SCK (alternate position), TCA0 WO2 (alternate position) and EVOUTE; it can be used as an event input and for external interrupt."
},
{
"number": "33",
"name": "PE3",
"type": "bidirectional",
"description": "General-purpose I/O pin PE3 with analog input AIN11 (ADC0), alternate functions SPI0 SS (alternate position) and TCA0 WO3 (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "34",
"name": "PF0 (TOSC1)",
"type": "bidirectional",
"description": "General-purpose I/O pin PF0 that serves as the TOSC1 crystal connection for the 32.768 kHz oscillator, with alternate functions USART2 TxD, TCA0 WO0 (alternate position) and CCL LUT3-IN0; it can be used as an event input and for external interrupt."
},
{
"number": "35",
"name": "PF1 (TOSC2)",
"type": "bidirectional",
"description": "General-purpose I/O pin PF1 that serves as the TOSC2 crystal connection for the 32.768 kHz oscillator, with alternate functions USART2 RxD, TCA0 WO1 (alternate position) and CCL LUT3-IN1; it can be used as an event input and for external interrupt."
},
{
"number": "36",
"name": "PF2",
"type": "bidirectional",
"description": "General-purpose I/O pin PF2 with analog input AIN12 (ADC0), alternate functions TWI0 SDA (slave, alternate position), USART2 XCK, TCA0 WO2 (alternate position), EVOUTF and CCL LUT3-IN2; it can be used as an event input and for external interrupt."
},
{
"number": "37",
"name": "PF3",
"type": "bidirectional",
"description": "General-purpose I/O pin PF3 with analog input AIN13 (ADC0), alternate functions TWI0 SCL (slave, alternate position), USART2 XDIR, TCA0 WO3 (alternate position) and CCL LUT3-OUT; it can be used as an event input and for external interrupt."
},
{
"number": "38",
"name": "PF4",
"type": "bidirectional",
"description": "General-purpose I/O pin PF4 with analog input AIN14 (ADC0), alternate functions USART2 TxD (alternate position), TCA0 WO4 (alternate position) and TCB0 WO (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "39",
"name": "PF5",
"type": "bidirectional",
"description": "General-purpose I/O pin PF5 with analog input AIN15 (ADC0), alternate functions USART2 RxD (alternate position), TCA0 WO5 (alternate position) and TCB1 WO (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "40",
"name": "PF6",
"type": "bidirectional",
"description": "General-purpose I/O pin PF6 that can be configured as the RESET pin via SYSCFG0.RSTPINCFG, with alternate functions USART2 XCK (alternate position) and CCL LUT3-OUT (alternate position); it can be used as an event input and for external interrupt."
},
{
"number": "41",
"name": "UPDI",
"type": "bidirectional",
"description": "Unified Program and Debug Interface pin used for programming and debugging the device."
},
{
"number": "42",
"name": "VDD",
"type": "power_in",
"description": "Input supply for the VDD power domain; the device operates from 1.8 V to 5.5 V per the ordering information."
},
{
"number": "43",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "44",
"name": "PA0 (EXTCLK)",
"type": "bidirectional",
"description": "General-purpose I/O pin PA0 with external clock input EXTCLK, alternate functions USART0 TxD (alternate position), TCA0 WO0 and CCL LUT0-IN0; it can be used as an event input and for external interrupt."
},
{
"number": "45",
"name": "PA1",
"type": "bidirectional",
"description": "General-purpose I/O pin PA1 with alternate functions USART0 RxD, TCA0 WO1 and CCL LUT0-IN1; it can be used as an event input and for external interrupt."
},
{
"number": "46",
"name": "PA2",
"type": "bidirectional",
"description": "General-purpose I/O pin PA2 with alternate functions TWI0 SDA (master), USART0 XCK, TCA0 WO2, TCB0 WO, EVOUTA and CCL LUT0-IN2; it can be used as an event input and for external interrupt."
},
{
"number": "47",
"name": "PA3",
"type": "bidirectional",
"description": "General-purpose I/O pin PA3 with alternate functions TWI0 SCL (master), USART0 XDIR, TCA0 WO3, TCB1 WO and CCL LUT0-OUT; it can be used as an event input and for external interrupt."
},
{
"number": "48",
"name": "PA4",
"type": "bidirectional",
"description": "General-purpose I/O pin PA4 with alternate functions USART0 TxD (alternate position), SPI0 MOSI and TCA0 WO4; it can be used as an event input and for external interrupt."
}
],
"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 ATmega3209-AUR is listed in the ordering table as a 48-pin TQFP (Tray/Tape & Reel, -40°C to +85°; The pinout diagram text on page 16 is extracted out of order and does not reliably show pin numbers.; The datasheet does not state per pin which supply domain (VDD or AVDD) each GPIO belongs to; the col"
],
"pages_sent": 89,
"cost_usd": 0.2853,
"at": "2026-10-26T03:36:45"
},
"datasheet": {
"url": "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega3208-3209-Data-Sheet-DS40002174A.pdf",
"pages": 547,
"sha256": "8964762f5bd2fdc0",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 48,
"described": 48,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "14ca7676e4932e92f0eca0c6d56ce3018cd28a2531204a70ab7bbacb3eeb3cf5",
"checked": "2026-10-26",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atmega3209-aur-etched.step",
"role": "eda",
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"seat": "z = 0",
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"footprint_binding": "identity",
"sha256": "550b6d663c6c311865a013e1fe48ef27d139ec6ae02e3ed19a2272debc2020aa",
"checked": "2026-10-26",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "TQFP-48(7x7)",
"Category": "Embedded Processors & Controllers",
"Pins": "48"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "8964762f5bd2fdc06bbc125ce7f2c2f7a52a029e9c3f27c027010582b64fd9e1",
"rows": [
{
"name": "Supply voltage",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 5.5,
"conditions": "ATmega3209-AUR (48-pin TQFP, Tape & Reel), from Table 34-1 ordering row",
"source_page": 518,
"source": "datasheet"
},
{
"name": "Operating temperature range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "ATmega3209-AUR (48-pin TQFP, Tape & Reel), from Table 34-1 ordering row",
"source_page": 518,
"source": "datasheet"
},
{
"name": "Max. CPU speed",
"symbol": "",
"kind": "recommended_operating",
"unit": "MHz",
"min": null,
"typ": null,
"max": 20,
"conditions": "ATmega3209-AUR (48-pin TQFP, Tape & Reel), from Table 34-1 ordering row",
"source_page": 518,
"source": "datasheet"
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"discovery_pitch": "ATMEGA3209-AUR (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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