component
ATMEGA3209-MFR
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), UQFN-48(6x6). 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-mfr",
"title": "ATMEGA3209-MFR",
"brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), UQFN-48(6x6). 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",
"atmega3209-mfr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ATMEGA3209-MFR",
"manufacturer": "Microchip Tech",
"package": "UQFN-48(6x6)",
"pin_count": 49,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega3208-3209-Data-Sheet-DS40002174A.pdf",
"parts": {
"symbol": "atmega3209-mfr.kicad_sym",
"footprint": "atmega3209-mfr.kicad_mod",
"model_3d": "atmega3209-mfr-hero.glb",
"model_3d_plain": "atmega3209-mfr-etched.glb",
"model_3d_step": "atmega3209-mfr-etched.step",
"model_3d_step_plain": "atmega3209-mfr.step",
"lbr": "atmega3209-mfr.lbr"
},
"distributor_links": {
"lcsc": "C2054032",
"digikey": "ATMEGA3209-MFRTR-ND",
"mouser": "556-ATMEGA3209-MFR"
},
"distributor_check": {
"checked_at": "2026-10-30T23:24:38Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATMEGA3209-MFRTR-ND",
"status": "found"
},
"mouser": {
"pn": "556-ATMEGA3209-MFR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA5",
"type": "bidirectional",
"description": "Port A bit 5 I/O with alternate functions USART0 RxD (alternate position), SPI0 MISO and TCA0 WO5 (alternate position), and it can be used as an event input and external interrupt source."
},
{
"number": "2",
"name": "PA6",
"type": "bidirectional",
"description": "Port A bit 6 I/O with alternate functions USART0 XCK (alternate position), SPI0 SCK and CCL LUT0 OUT (alternate position), and it can be used as an event input and external interrupt source."
},
{
"number": "3",
"name": "PA7",
"type": "bidirectional",
"description": "Port A bit 7 I/O with alternate functions CLKOUT, AC0 OUT, USART0 XDIR (alternate position), SPI0 SS and EVOUTA (alternate position)."
},
{
"number": "4",
"name": "PB0",
"type": "bidirectional",
"description": "Port B bit 0 I/O with alternate functions USART3 TxD and TCA0 WO0 (alternate position)."
},
{
"number": "5",
"name": "PB1",
"type": "bidirectional",
"description": "Port B bit 1 I/O with alternate functions USART3 RxD and TCA0 WO1 (alternate position)."
},
{
"number": "6",
"name": "PB2",
"type": "bidirectional",
"description": "Port B bit 2 I/O with alternate functions USART3 XCK, TCA0 WO2 (alternate position) and EVOUTB."
},
{
"number": "7",
"name": "PB3",
"type": "bidirectional",
"description": "Port B bit 3 I/O with alternate functions USART3 XDIR and TCA0 WO3 (alternate position)."
},
{
"number": "8",
"name": "PB4",
"type": "bidirectional",
"description": "Port B bit 4 I/O with alternate functions USART3 TxD (alternate position), TCA0 WO4 (alternate position) and TCB2 WO (alternate position)."
},
{
"number": "9",
"name": "PB5",
"type": "bidirectional",
"description": "Port B bit 5 I/O with alternate functions USART3 RxD (alternate position), TCA0 WO5 (alternate position) and TCB3 WO."
},
{
"number": "10",
"name": "PC0",
"type": "bidirectional",
"description": "Port C bit 0 I/O with alternate functions USART1 TxD, SPI0 MOSI (alternate position), TCA0 WO0 (alternate position), TCB2 WO and CCL LUT1 IN0."
},
{
"number": "11",
"name": "PC1",
"type": "bidirectional",
"description": "Port C bit 1 I/O with alternate functions USART1 RxD, SPI0 MISO (alternate position), TCA0 WO1 (alternate position), TCB3 WO (alternate position) and CCL LUT1 IN1."
},
{
"number": "12",
"name": "PC2",
"type": "bidirectional",
"description": "Port C bit 2 I/O with alternate functions TWI0 SDA (alternate position), USART1 XCK, SPI0 SCK (alternate position), TCA0 WO2 (alternate position), EVOUTC and CCL LUT1 IN2."
},
{
"number": "13",
"name": "PC3",
"type": "bidirectional",
"description": "Port C bit 3 I/O with alternate functions TWI0 SCL (alternate position), USART1 XDIR, SPI0 SS (alternate position), TCA0 WO3 (alternate position) and CCL LUT1 OUT."
},
{
"number": "14",
"name": "VDD",
"type": "power_in",
"description": "Supply voltage for the VDD power domain; the device supply range is 1.8-5.5V per the Ordering Information table."
},
{
"number": "15",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "16",
"name": "PC4",
"type": "bidirectional",
"description": "Port C bit 4 I/O with alternate functions USART1 TxD (alternate position) and TCA0 WO4 (alternate position)."
},
{
"number": "17",
"name": "PC5",
"type": "bidirectional",
"description": "Port C bit 5 I/O with alternate functions USART1 RxD (alternate position) and TCA0 WO5 (alternate position)."
},
{
"number": "18",
"name": "PC6",
"type": "bidirectional",
"description": "Port C bit 6 I/O with alternate functions USART1 XCK (alternate position) and CCL LUT1 OUT (alternate position)."
},
{
"number": "19",
"name": "PC7",
"type": "bidirectional",
"description": "Port C bit 7 I/O with alternate functions USART1 XDIR (alternate position) and EVOUTC (alternate position)."
},
{
"number": "20",
"name": "PD0",
"type": "bidirectional",
"description": "Port D bit 0 I/O with analog input AIN0, TCA0 WO0 (alternate position) and CCL LUT2 IN0."
},
{
"number": "21",
"name": "PD1",
"type": "bidirectional",
"description": "Port D bit 1 I/O with analog input AIN1, AC0 positive input P3, and TCA0 WO1 (alternate position)."
},
{
"number": "22",
"name": "PD2",
"type": "bidirectional",
"description": "Port D bit 2 I/O with analog input AIN2, AC0 positive input P0, TCA0 WO2 (alternate position), EVOUTD and CCL LUT2 IN2."
},
{
"number": "23",
"name": "PD3",
"type": "bidirectional",
"description": "Port D bit 3 I/O with analog input AIN3, AC0 negative input N0, TCA0 WO3 (alternate position) and CCL LUT2 OUT."
},
{
"number": "24",
"name": "PD4",
"type": "bidirectional",
"description": "Port D bit 4 I/O with analog input AIN4, AC0 positive input P1 and TCA0 WO4 (alternate position)."
},
{
"number": "25",
"name": "PD5",
"type": "bidirectional",
"description": "Port D bit 5 I/O with analog input AIN5, AC0 negative input N1 and TCA0 WO5 (alternate position)."
},
{
"number": "26",
"name": "PD6",
"type": "bidirectional",
"description": "Port D bit 6 I/O with analog input AIN6, AC0 positive input P2 and CCL LUT2 OUT (alternate position)."
},
{
"number": "27",
"name": "PD7",
"type": "bidirectional",
"description": "Port D bit 7 I/O with analog input AIN7, external voltage reference VREFA, AC0 negative input N2 and EVOUTD (alternate position)."
},
{
"number": "28",
"name": "AVDD",
"type": "power_in",
"description": "Supply for the AVDD power domain, which feeds the analog functions and the GPIO pins on that domain."
},
{
"number": "29",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "30",
"name": "PE0",
"type": "bidirectional",
"description": "Port E bit 0 I/O with analog input AIN8, SPI0 MOSI (alternate position) and TCA0 WO0 (alternate position)."
},
{
"number": "31",
"name": "PE1",
"type": "bidirectional",
"description": "Port E bit 1 I/O with analog input AIN9, SPI0 MISO (alternate position) and TCA0 WO1 (alternate position)."
},
{
"number": "32",
"name": "PE2",
"type": "bidirectional",
"description": "Port E bit 2 I/O with analog input AIN10, SPI0 SCK (alternate position), TCA0 WO2 (alternate position) and EVOUTE."
},
{
"number": "33",
"name": "PE3",
"type": "bidirectional",
"description": "Port E bit 3 I/O with analog input AIN11, SPI0 SS (alternate position) and TCA0 WO3 (alternate position)."
},
{
"number": "34",
"name": "PF0",
"type": "bidirectional",
"description": "Port F bit 0 I/O; also the TOSC1 crystal oscillator pin, with USART2 TxD, TCA0 WO0 (alternate position) and CCL LUT3 IN0."
},
{
"number": "35",
"name": "PF1",
"type": "bidirectional",
"description": "Port F bit 1 I/O; also the TOSC2 crystal oscillator pin, with USART2 RxD, TCA0 WO1 (alternate position) and CCL LUT3 IN1."
},
{
"number": "36",
"name": "PF2",
"type": "bidirectional",
"description": "Port F bit 2 I/O with TWI0 SDA (alternate position), analog input AIN12, USART2 XCK, TCA0 WO2 (alternate position), EVOUTF and CCL LUT3 IN2."
},
{
"number": "37",
"name": "PF3",
"type": "bidirectional",
"description": "Port F bit 3 I/O with TWI0 SCL (alternate position), analog input AIN13, USART2 XDIR, TCA0 WO3 (alternate position) and CCL LUT3 OUT."
},
{
"number": "38",
"name": "PF4",
"type": "bidirectional",
"description": "Port F bit 4 I/O with analog input AIN14, USART2 TxD (alternate position), TCA0 WO4 (alternate position) and TCB0 WO (alternate position)."
},
{
"number": "39",
"name": "PF5",
"type": "bidirectional",
"description": "Port F bit 5 I/O with analog input AIN15, USART2 RxD (alternate position), TCA0 WO5 (alternate position) and TCB1 WO (alternate position)."
},
{
"number": "40",
"name": "PF6",
"type": "bidirectional",
"description": "Port F bit 6 I/O that is configured as the RESET pin when SYSCFG0.RSTPINCFG is set to RESET; also USART2 XCK (alternate position) and CCL LUT3 OUT (alternate position)."
},
{
"number": "41",
"name": "UPDI",
"type": "bidirectional",
"description": "Unified Program and Debug Interface pin used for programming and debugging."
},
{
"number": "42",
"name": "VDD",
"type": "power_in",
"description": "Supply voltage for the VDD power domain; the device supply range is 1.8-5.5V per the Ordering Information table."
},
{
"number": "43",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "44",
"name": "PA0",
"type": "bidirectional",
"description": "Port A bit 0 I/O with EXTCLK external clock input, USART0 TxD, TCA0 WO0 and CCL LUT0 IN0."
},
{
"number": "45",
"name": "PA1",
"type": "bidirectional",
"description": "Port A bit 1 I/O with USART0 RxD, TCA0 WO1 and CCL LUT0 IN1."
},
{
"number": "46",
"name": "PA2",
"type": "bidirectional",
"description": "Port A bit 2 I/O with TWI0 SDA (master/slave), USART0 XCK, TCA0 WO2, TCB0 WO, EVOUTA and CCL LUT0 IN2."
},
{
"number": "47",
"name": "PA3",
"type": "bidirectional",
"description": "Port A bit 3 I/O with TWI0 SCL (master/slave), USART0 XDIR, TCA0 WO3, TCB1 WO and CCL LUT0 OUT."
},
{
"number": "48",
"name": "PA4",
"type": "bidirectional",
"description": "Port A bit 4 I/O with USART0 TxD (alternate position), SPI0 MOSI and TCA0 WO4 (alternate position)."
},
{
"number": "49",
"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: Pin-to-number mapping was taken from the UQFN48 column of the I/O Multiplexing table (Table 4-1, pag; Alternate pin positions are marked by footnote 3 in Table 4-1 and selected through PORTMUX; the desc; The datasheet does not assign KiCad ERC classes to analog, crystal, reset or UPDI functions. All GPI",
"exposed pad 49 added from the footprint"
],
"pages_sent": 89,
"cost_usd": 0.2874,
"at": "2026-10-30T23:24:11"
},
"datasheet": {
"url": "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega3208-3209-Data-Sheet-DS40002174A.pdf",
"pages": 547,
"sha256": "8964762f5bd2fdc0",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 49,
"described": 49,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
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"models_3d": [
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"file": "atmega3209-mfr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.02,
6.02,
0.9
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "c608e9f9714efcebfdf21492caed94373f018aa59f064a09f3a214af629d379d",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atmega3209-mfr-etched.step",
"role": "eda",
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"seat": "z = 0",
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "629b3888f92e395d3c1694f22eb14d200eba87d4a8263467eb6ffb3839e097e0",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "UQFN-48(6x6)",
"Category": "Single Chip Microcomputer/Microcontroller",
"Pins": "49"
},
"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-MF (48 UQFN), per Table 34-1 Available Product Numbers",
"source_page": 518,
"source": "datasheet"
},
{
"name": "Temperature Range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "ATmega3209-MF (48 UQFN, -MF = -40°C to +125°C), per Table 34-1",
"source_page": 518,
"source": "datasheet"
},
{
"name": "Max. CPU Speed",
"symbol": "",
"kind": "recommended_operating",
"unit": "MHz",
"min": null,
"typ": null,
"max": 20,
"conditions": "ATmega3209-MF (48 UQFN), per Table 34-1",
"source_page": 518,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
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"discovery_triggers": [
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"discovery_pitch": "ATMEGA3209-MFR (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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