component
ATMEGA4808-MUR
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417
{
"schema_version": 1,
"type": "component",
"slug": "atmega4808-mur",
"title": "ATMEGA4808-MUR",
"brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), VQFN-32-EP(5x5). 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",
"atmega4808-mur",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ATMEGA4808-MUR",
"manufacturer": "Microchip Tech",
"package": "VQFN-32-EP(5x5)",
"pin_count": 33,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/ATmega4808-09-DataSheet-DS40002173C.pdf",
"parts": {
"symbol": "atmega4808-mur.kicad_sym",
"footprint": "atmega4808-mur.kicad_mod",
"model_3d": "atmega4808-mur-hero.glb",
"model_3d_plain": "atmega4808-mur-etched.glb",
"model_3d_step": "atmega4808-mur-etched.step",
"model_3d_step_plain": "atmega4808-mur.step",
"lbr": "atmega4808-mur.lbr"
},
"distributor_links": {
"lcsc": "C2055547",
"digikey": "150-ATMEGA4808-MURTR-ND",
"mouser": "556-ATMEGA4808-MUR"
},
"distributor_check": {
"checked_at": "2026-11-02T17:14:29Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "150-ATMEGA4808-MURTR-ND",
"status": "found"
},
"mouser": {
"pn": "556-ATMEGA4808-MUR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA3",
"type": "bidirectional",
"description": "General-purpose I/O pin on the VDD power domain with alternate functions TWI0 SCL/SDA, USART0 XDIR, TCA0 WO3, and CCL LUT0 OUT."
},
{
"number": "2",
"name": "PA4",
"type": "bidirectional",
"description": "General-purpose I/O pin on the VDD power domain with alternate functions USART0 TxD, SPI0 MOSI, and TCA0 WO4."
},
{
"number": "3",
"name": "PA5",
"type": "bidirectional",
"description": "General-purpose I/O pin on the VDD power domain with alternate functions USART0 RxD, SPI0 MISO, and TCA0 WO5."
},
{
"number": "4",
"name": "PA6",
"type": "bidirectional",
"description": "General-purpose I/O pin on the VDD power domain with alternate functions USART0 XCK, SPI0 SCK, and CCL LUT0 OUT."
},
{
"number": "5",
"name": "PA7",
"type": "bidirectional",
"description": "General-purpose I/O pin on the VDD power domain with alternate functions CLKOUT, AC0 OUT, USART0 XDIR, SPI0 SS, and EVSYS EVOUTA."
},
{
"number": "6",
"name": "PC0",
"type": "bidirectional",
"description": "General-purpose I/O pin on the VDD power domain with alternate functions USART1 TxD, SPI0 MOSI, TCA0 WO0, and TCB0 output."
},
{
"number": "7",
"name": "PC1",
"type": "bidirectional",
"description": "General-purpose I/O pin on the VDD power domain with alternate functions USART1 RxD, SPI0 MISO, TCA0 WO1, and TCB3 output."
},
{
"number": "8",
"name": "PC2",
"type": "bidirectional",
"description": "General-purpose I/O pin on the VDD power domain with alternate functions TWI0 SDA (host), USART1 XCK, SPI0 SCK, TCA0 WO2, and EVSYS EVOUTC."
},
{
"number": "9",
"name": "PC3",
"type": "bidirectional",
"description": "General-purpose I/O pin on the VDD power domain with alternate functions TWI0 SCL (host), USART1 XDIR, SPI0 SS, and TCA0 WO3."
},
{
"number": "10",
"name": "PD0",
"type": "bidirectional",
"description": "General-purpose I/O pin on the AVDD power domain with alternate functions ADC0 AIN0, TCA0 WO0, and CCL LUT2 input."
},
{
"number": "11",
"name": "PD1",
"type": "bidirectional",
"description": "General-purpose I/O pin on the AVDD power domain with alternate functions ADC0 AIN1, AC0 P3, TCA0 WO1, and CCL LUT2 input."
},
{
"number": "12",
"name": "PD2",
"type": "bidirectional",
"description": "General-purpose I/O pin on the AVDD power domain with alternate functions ADC0 AIN2, AC0 P0, TCA0 WO2, and EVSYS EVOUTD."
},
{
"number": "13",
"name": "PD3",
"type": "bidirectional",
"description": "General-purpose I/O pin on the AVDD power domain with alternate functions ADC0 AIN3, AC0 N0, TCA0 WO3, and CCL LUT2 output."
},
{
"number": "14",
"name": "PD4",
"type": "bidirectional",
"description": "General-purpose I/O pin on the AVDD power domain with alternate functions ADC0 AIN4, AC0 P1, and TCA0 WO4."
},
{
"number": "15",
"name": "PD5",
"type": "bidirectional",
"description": "General-purpose I/O pin on the AVDD power domain with alternate functions ADC0 AIN5, AC0 N1, and TCA0 WO5."
},
{
"number": "16",
"name": "PD6",
"type": "bidirectional",
"description": "General-purpose I/O pin on the AVDD power domain with alternate functions ADC0 AIN6, AC0 P2, and CCL LUT2 output."
},
{
"number": "17",
"name": "PD7",
"type": "bidirectional",
"description": "General-purpose I/O pin on the AVDD power domain with alternate functions VREFA, ADC0 AIN7, AC0 N2, and EVSYS EVOUTD."
},
{
"number": "18",
"name": "AVDD",
"type": "power_in",
"description": "Analog supply pin for the ADC, analog comparator and the AVDD power domain pins."
},
{
"number": "19",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "20",
"name": "PF0",
"type": "bidirectional",
"description": "General-purpose I/O pin with alternate functions TOSC1 (32.768 kHz crystal), USART2 TxD, TCA0 WO0, and CCL LUT3 input."
},
{
"number": "21",
"name": "PF1",
"type": "bidirectional",
"description": "General-purpose I/O pin with alternate functions TOSC2 (32.768 kHz crystal), USART2 RxD, TCA0 WO1, and CCL LUT3 input."
},
{
"number": "22",
"name": "PF2",
"type": "bidirectional",
"description": "General-purpose I/O pin with alternate functions ADC0 AIN12, TWI0 SDA (client), USART2 XCK, TCA0 WO2, and EVSYS EVOUTF."
},
{
"number": "23",
"name": "PF3",
"type": "bidirectional",
"description": "General-purpose I/O pin with alternate functions ADC0 AIN13, TWI0 SCL (client), USART2 XDIR, TCA0 WO3, and CCL LUT3 output."
},
{
"number": "24",
"name": "PF4",
"type": "bidirectional",
"description": "General-purpose I/O pin with alternate functions ADC0 AIN14, USART2 TxD, and TCA0 WO4."
},
{
"number": "25",
"name": "PF5",
"type": "bidirectional",
"description": "General-purpose I/O pin with alternate functions ADC0 AIN15, USART2 RxD, and TCA0 WO5."
},
{
"number": "26",
"name": "PF6 (RESET)",
"type": "input",
"description": "General-purpose I/O pin PF6, which can be configured as the external RESET pin, with USART2 XCK and CCL LUT3 output as alternate functions."
},
{
"number": "27",
"name": "UPDI",
"type": "bidirectional",
"description": "Unified Program and Debug Interface pin used for programming and debugging."
},
{
"number": "28",
"name": "VDD",
"type": "power_in",
"description": "Main supply pin for the VDD power domain."
},
{
"number": "29",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "30",
"name": "PA0",
"type": "bidirectional",
"description": "General-purpose I/O pin on the VDD power domain with alternate functions EXTCLK, USART0 TxD, TCA0 WO0, and CCL LUT0 input."
},
{
"number": "31",
"name": "PA1",
"type": "bidirectional",
"description": "General-purpose I/O pin on the VDD power domain with alternate functions USART0 RxD, TCA0 WO1, and CCL LUT0 input."
},
{
"number": "32",
"name": "PA2",
"type": "bidirectional",
"description": "General-purpose I/O pin on the VDD power domain with alternate functions TWI0 SDA (host), USART0 XCK, TCA0 WO2, TCB0 output, EVSYS EVOUTA, and CCL LUT0 input."
},
{
"number": "33",
"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 datasheet gives no electrical limits or numbered rows for the exposed center pad of the 32-pin V; Pin numbers are taken from the Multiplexed Signals table (section 4.1, pages 19-20) for the TQFP32/V; The datasheet pin-function text is limited to the multiplexing table, so pin descriptions summarize "
],
"pages_sent": 109,
"cost_usd": 0.1017,
"at": "2026-11-02T17:14:11"
},
"datasheet": {
"url": "https://ww1.microchip.com/downloads/en/DeviceDoc/ATmega4808-09-DataSheet-DS40002173C.pdf",
"pages": 560,
"sha256": "a1755e46625fa50b",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "atmega4808-mur.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atmega4808-mur-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f8b46162d08f5b99dd1294df37cf95248b323cd47d96a211473d57fe0b8f9211",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "VQFN-32-EP(5x5)",
"Category": "Single Chip Microcomputer/Microcontroller",
"Pins": "33"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "a1755e46625fa50b5857e43891bf7894e4f2a109964178d668f5851a4e3c31a8",
"rows": [
{
"name": "Supply voltage",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 5.5,
"conditions": "Ordering information, ATmega4808-MUR, 32 VQFN, 20 MHz",
"source_page": 521,
"source": "datasheet"
},
{
"name": "Temperature range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "Ordering information, ATmega4808-MUR, temperature range -40°C to +85°C",
"source_page": 521,
"source": "datasheet"
},
{
"name": "Max CPU speed",
"symbol": "",
"kind": "recommended_operating",
"unit": "MHz",
"min": null,
"typ": null,
"max": 20,
"conditions": "Ordering information, ATmega4808-MUR, 1.8-5.5V supply",
"source_page": 521,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"atmega4808-mur"
],
"discovery_pitch": "ATMEGA4808-MUR (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",
"atmega4808-mur.kicad_sym",
"atmega4808-mur.kicad_mod",
"atmega4808-mur.glb",
"atmega4808-mur.step",
"atmega4808-mur.lbr",
"docs/hero.png",
"docs/atmega4808-mur-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"atmega4808-mur-hero.glb",
"atmega4808-mur-hero.overlay.json",
"atmega4808-mur-etched.glb"
],
"visibility": {
"public": true
}
}