component
ATMEGA809-MU
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, VQFN-48-EP(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": "atmega809-mu",
"title": "ATMEGA809-MU",
"brief": "Microchip Tech Pre-ordered MCUs, VQFN-48-EP(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",
"embedded processors & controllers",
"atmega809-mu",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ATMEGA809-MU",
"manufacturer": "Microchip Tech",
"package": "VQFN-48-EP(6x6)",
"pin_count": 49,
"category": "Embedded Processors & Controllers",
"subcategory": "Pre-ordered MCUs",
"datasheet": "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega808-09-1608-09-DS40002172B.pdf",
"parts": {
"symbol": "atmega809-mu.kicad_sym",
"footprint": "atmega809-mu.kicad_mod",
"model_3d": "atmega809-mu-hero.glb",
"model_3d_plain": "atmega809-mu-etched.glb",
"model_3d_step": "atmega809-mu-etched.step",
"model_3d_step_plain": "atmega809-mu.step",
"lbr": "atmega809-mu.lbr"
},
"distributor_links": {
"lcsc": "C1019279",
"digikey": "150-ATMEGA809-MU-ND",
"mouser": "556-ATMEGA809-MU"
},
"distributor_check": {
"checked_at": "2026-10-30T22:16:02Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "150-ATMEGA809-MU-ND",
"status": "found"
},
"mouser": {
"pn": "556-ATMEGA809-MU",
"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 and TCA0 WO5 per the multiplexing table."
},
{
"number": "2",
"name": "PA6",
"type": "bidirectional",
"description": "General-purpose I/O pin PA6 with alternate functions USART0 XCK (alternate position) and SPI0 SCK."
},
{
"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)."
},
{
"number": "4",
"name": "PB0",
"type": "bidirectional",
"description": "General-purpose I/O pin PB0 with alternate functions USART3 TxD and TCA0 WO0 (alternate position)."
},
{
"number": "5",
"name": "PB1",
"type": "bidirectional",
"description": "General-purpose I/O pin PB1 with alternate functions USART3 RxD and TCA0 WO1 (alternate position)."
},
{
"number": "6",
"name": "PB2",
"type": "bidirectional",
"description": "General-purpose I/O pin PB2 with alternate functions USART3 XCK, TCA0 WO2 (alternate position) and EVOUTB."
},
{
"number": "7",
"name": "PB3",
"type": "bidirectional",
"description": "General-purpose I/O pin PB3 with alternate functions USART3 XDIR and TCA0 WO3 (alternate position)."
},
{
"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)."
},
{
"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."
},
{
"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."
},
{
"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."
},
{
"number": "12",
"name": "PC2",
"type": "bidirectional",
"description": "General-purpose I/O pin PC2 with alternate functions USART1 XCK, SPI0 SCK (alternate position), TWI0 SDA (alternate position), TCA0 WO2 (alternate position), EVOUTC and CCL LUT1 IN2."
},
{
"number": "13",
"name": "PC3",
"type": "bidirectional",
"description": "General-purpose I/O pin PC3 with alternate functions USART1 XDIR, SPI0 SS (alternate position), TWI0 SCL (alternate position), TCA0 WO3 (alternate position) and CCL LUT1 OUT."
},
{
"number": "14",
"name": "VDD",
"type": "power_in",
"description": "Positive supply pin for the device; 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 pin 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)."
},
{
"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)."
},
{
"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)."
},
{
"number": "19",
"name": "PC7",
"type": "bidirectional",
"description": "General-purpose I/O pin PC7 with alternate functions USART1 XDIR (alternate position) and EVOUTC (alternate position)."
},
{
"number": "20",
"name": "PD0",
"type": "bidirectional",
"description": "General-purpose I/O pin PD0 with alternate functions AIN0, TCA0 WO0 (alternate position) and CCL LUT2 IN0."
},
{
"number": "21",
"name": "PD1",
"type": "bidirectional",
"description": "General-purpose I/O pin PD1 with alternate functions AIN1, AC0 P3, TCA0 WO1 (alternate position) and CCL LUT2 IN1."
},
{
"number": "22",
"name": "PD2",
"type": "bidirectional",
"description": "General-purpose I/O pin PD2 with alternate functions AIN2, AC0 P0, TCA0 WO2 (alternate position), EVOUTD and CCL LUT2 IN2."
},
{
"number": "23",
"name": "PD3",
"type": "bidirectional",
"description": "General-purpose I/O pin PD3 with alternate functions AIN3, AC0 N0, TCA0 WO3 (alternate position) and CCL LUT2 OUT."
},
{
"number": "24",
"name": "PD4",
"type": "bidirectional",
"description": "General-purpose I/O pin PD4 with alternate functions AIN4, AC0 P1 and TCA0 WO4 (alternate position)."
},
{
"number": "25",
"name": "PD5",
"type": "bidirectional",
"description": "General-purpose I/O pin PD5 with alternate functions AIN5, AC0 N1 and TCA0 WO5 (alternate position)."
},
{
"number": "26",
"name": "PD6",
"type": "bidirectional",
"description": "General-purpose I/O pin PD6 with alternate functions AIN6, AC0 P2 and CCL LUT2 OUT (alternate position)."
},
{
"number": "27",
"name": "PD7",
"type": "bidirectional",
"description": "General-purpose I/O pin PD7 with alternate functions VREFA, AIN7, AC0 N2 and EVOUTD (alternate position)."
},
{
"number": "28",
"name": "AVDD",
"type": "power_in",
"description": "Supply pin for the analog domain, powering the GPIO pins on the AVDD power domain within the 1.8 V to 5.5 V device range."
},
{
"number": "29",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin for the device."
},
{
"number": "30",
"name": "PE0",
"type": "bidirectional",
"description": "General-purpose I/O pin PE0 with alternate functions AIN8, SPI0 MOSI (alternate position) and TCA0 WO0 (alternate position)."
},
{
"number": "31",
"name": "PE1",
"type": "bidirectional",
"description": "General-purpose I/O pin PE1 with alternate functions AIN9, SPI0 MISO (alternate position) and TCA0 WO1 (alternate position)."
},
{
"number": "32",
"name": "PE2",
"type": "bidirectional",
"description": "General-purpose I/O pin PE2 with alternate functions AIN10, SPI0 SCK (alternate position), TCA0 WO2 (alternate position) and EVOUTE."
},
{
"number": "33",
"name": "PE3",
"type": "bidirectional",
"description": "General-purpose I/O pin PE3 with alternate functions AIN11, SPI0 SS (alternate position) and TCA0 WO3 (alternate position)."
},
{
"number": "34",
"name": "PF0",
"type": "bidirectional",
"description": "General-purpose I/O pin PF0 that serves as the TOSC1 crystal oscillator input, with alternate functions USART2 TxD, TCA0 WO0 (alternate position) and CCL LUT3 IN0."
},
{
"number": "35",
"name": "PF1",
"type": "bidirectional",
"description": "General-purpose I/O pin PF1 that serves as the TOSC2 crystal oscillator output, with alternate functions USART2 RxD, TCA0 WO1 (alternate position) and CCL LUT3 IN1."
},
{
"number": "36",
"name": "PF2",
"type": "bidirectional",
"description": "General-purpose I/O pin PF2 with alternate functions TWI (slave SDA, alternate position), AIN12, USART2 XCK, TCA0 WO2 (alternate position), EVOUTF and CCL LUT3 IN2."
},
{
"number": "37",
"name": "PF3",
"type": "bidirectional",
"description": "General-purpose I/O pin PF3 with alternate functions TWI (slave SCL, alternate position), AIN13, USART2 XDIR, TCA0 WO3 (alternate position) and CCL LUT3 OUT."
},
{
"number": "38",
"name": "PF4",
"type": "bidirectional",
"description": "General-purpose I/O pin PF4 with alternate functions AIN14, USART2 TxD (alternate position), TCA0 WO4 (alternate position) and TCB0 WO (alternate position)."
},
{
"number": "39",
"name": "PF5",
"type": "bidirectional",
"description": "General-purpose I/O pin PF5 with alternate functions AIN15, USART2 RxD (alternate position), TCA0 WO5 (alternate position) and TCB1 WO (alternate position)."
},
{
"number": "40",
"name": "PF6",
"type": "bidirectional",
"description": "General-purpose I/O pin PF6 that becomes the external RESET pin when SYSCFG0.RSTPINCFG is set to RESET, with alternate functions 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 the device."
},
{
"number": "42",
"name": "VDD",
"type": "power_in",
"description": "Positive supply pin for the device; 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 pin for the device."
},
{
"number": "44",
"name": "PA0",
"type": "bidirectional",
"description": "General-purpose I/O pin PA0 with alternate functions EXTCLK, USART0 TxD, TCA0 WO0 and CCL LUT0 IN0."
},
{
"number": "45",
"name": "PA1",
"type": "bidirectional",
"description": "General-purpose I/O pin PA1 with alternate functions USART0 RxD, TCA0 WO1 and CCL LUT0 IN1."
},
{
"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."
},
{
"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."
},
{
"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."
},
{
"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: The exposed/center pad of the 48-pin VQFN is not given a pin number anywhere in the datasheet text. ; The pin-number-to-name mapping was taken from the I/O Multiplexing table (pages 17-18), which lists ; Per-pin power domain (VDD vs AVDD GPIO) and alternate-function column assignments were read from ext",
"exposed pad 49 added from the footprint"
],
"pages_sent": 94,
"cost_usd": 0.3041,
"at": "2026-10-30T22:15:20"
},
"datasheet": {
"url": "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega808-09-1608-09-DS40002172B.pdf",
"pages": 543,
"sha256": "fe2ccf6f4621a1cd",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 49,
"described": 49,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "atmega809-mu.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": "da30d6bf6a82f8350f5a8cb537e4d8c7a24549d666f63f6ece3cf144d991124a",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atmega809-mu-etched.step",
"role": "eda",
"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": "8e04f3d83dc42ffb48fde7526310d975710206ead30018f2c09b2e5a9f2bc689",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "6LX (Microchip C04-494, 48-Lead VQFN 6x6 mm, 4.1x4.1 mm exposed pad)",
"source_page": 533,
"D": {
"nom_mm": 6,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 6,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.4,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 0.85,
"range_mm": [
0.8,
0.9
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "atmega809-mu.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "VQFN-48-EP(6x6)",
"Category": "Embedded Processors & Controllers",
"Pins": "49"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "fe2ccf6f4621a1cdd2e638320633fefc6969bde235ea84094c8cd108a17fc2b8",
"rows": [
{
"name": "Supply voltage (ATmega809-MU ordering row)",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 513,
"source": "datasheet"
},
{
"name": "Temperature range (ATmega809-MU ordering row)",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 513,
"source": "datasheet"
},
{
"name": "Max CPU speed (ATmega809-MU ordering row)",
"symbol": "",
"kind": "recommended_operating",
"unit": "MHz",
"min": null,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 513,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"atmega809-mu"
],
"discovery_pitch": "ATMEGA809-MU (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"atmega809-mu.kicad_sym",
"atmega809-mu.kicad_mod",
"atmega809-mu.glb",
"atmega809-mu.step",
"atmega809-mu.lbr",
"docs/hero.png",
"docs/atmega809-mu-datasheet.pdf",
"viewers/symbol.html",
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"atmega809-mu-hero.glb",
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"visibility": {
"public": true
}
}