component
ATMEGA128L-8AUR
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-64(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531
{
"slug": "atmega128l-8aur",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-64(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"atmega128l-8aur",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"atmega128l-8aur.kicad_sym",
"atmega128l-8aur.kicad_mod",
"atmega128l-8aur.glb",
"atmega128l-8aur.step",
"atmega128l-8aur.lbr",
"docs/hero.png",
"docs/atmega128l-8aur-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"atmega128l-8aur-hero.glb",
"atmega128l-8aur-hero.overlay.json",
"atmega128l-8aur-etched.glb"
],
"component": {
"mpn": "ATMEGA128L-8AUR",
"manufacturer": "Microchip Tech",
"package": "TQFP-64(14x14)",
"pin_count": 64,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/2467S.pdf",
"parts": {
"symbol": "atmega128l-8aur.kicad_sym",
"footprint": "atmega128l-8aur.kicad_mod",
"model_3d": "atmega128l-8aur-hero.glb",
"model_3d_plain": "atmega128l-8aur-etched.glb",
"model_3d_step": "atmega128l-8aur-etched.step",
"model_3d_step_plain": "atmega128l-8aur.step",
"lbr": "atmega128l-8aur.lbr"
},
"distributor_links": {
"lcsc": "C2052870",
"digikey": "ATMEGA128L-8AURTR-ND",
"mouser": "556-ATMEGA128L-8AUR"
},
"distributor_check": {
"checked_at": "2026-11-02T19:16:39Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATMEGA128L-8AURTR-ND",
"status": "found"
},
"mouser": {
"pn": "556-ATMEGA128L-8AUR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PEN",
"type": "input",
"description": "Programming enable pin shown on the pinout (PEN); its function is not described in the supplied pages."
},
{
"number": "2",
"name": "PE0",
"type": "bidirectional",
"description": "Port E bit 0, 8-bit bi-directional I/O with selectable internal pull-up; alternate functions RXD0/PDI."
},
{
"number": "3",
"name": "PE1",
"type": "bidirectional",
"description": "Port E bit 1, bi-directional I/O with selectable pull-up; alternate functions TXD0/PDO."
},
{
"number": "4",
"name": "PE2",
"type": "bidirectional",
"description": "Port E bit 2, bi-directional I/O with selectable pull-up; alternate functions XCK0/AIN0."
},
{
"number": "5",
"name": "PE3",
"type": "bidirectional",
"description": "Port E bit 3, bi-directional I/O with selectable pull-up; alternate functions OC3A/AIN1."
},
{
"number": "6",
"name": "PE4",
"type": "bidirectional",
"description": "Port E bit 4, bi-directional I/O with selectable pull-up; alternate functions OC3B/INT4."
},
{
"number": "7",
"name": "PE5",
"type": "bidirectional",
"description": "Port E bit 5, bi-directional I/O with selectable pull-up; alternate functions OC3C/INT5."
},
{
"number": "8",
"name": "PE6",
"type": "bidirectional",
"description": "Port E bit 6, bi-directional I/O with selectable pull-up; alternate functions T3/INT6."
},
{
"number": "9",
"name": "PE7",
"type": "bidirectional",
"description": "Port E bit 7, bi-directional I/O with selectable pull-up; alternate functions ICP3/INT7."
},
{
"number": "10",
"name": "PB0",
"type": "bidirectional",
"description": "Port B bit 0, bi-directional I/O with selectable pull-up; alternate function SS (SPI slave select)."
},
{
"number": "11",
"name": "PB1",
"type": "bidirectional",
"description": "Port B bit 1, bi-directional I/O with selectable pull-up; alternate function SCK (SPI)."
},
{
"number": "12",
"name": "PB2",
"type": "bidirectional",
"description": "Port B bit 2, bi-directional I/O with selectable pull-up; alternate function MOSI (SPI)."
},
{
"number": "13",
"name": "PB3",
"type": "bidirectional",
"description": "Port B bit 3, bi-directional I/O with selectable pull-up; alternate function MISO (SPI)."
},
{
"number": "14",
"name": "PB4",
"type": "bidirectional",
"description": "Port B bit 4, bi-directional I/O with selectable pull-up; alternate function OC0."
},
{
"number": "15",
"name": "PB5",
"type": "bidirectional",
"description": "Port B bit 5, bi-directional I/O with selectable pull-up; alternate function OC1A."
},
{
"number": "16",
"name": "PB6",
"type": "bidirectional",
"description": "Port B bit 6, bi-directional I/O with selectable pull-up; alternate function OC1B."
},
{
"number": "17",
"name": "PB7",
"type": "bidirectional",
"description": "Port B bit 7, bi-directional I/O with selectable pull-up; alternate functions OC2/OC1C."
},
{
"number": "18",
"name": "PG3",
"type": "bidirectional",
"description": "Port G bit 3, bi-directional I/O with selectable pull-up; alternate function TOSC2 (timer oscillator)."
},
{
"number": "19",
"name": "PG4",
"type": "bidirectional",
"description": "Port G bit 4, bi-directional I/O with selectable pull-up; alternate function TOSC1 (timer oscillator)."
},
{
"number": "20",
"name": "RESET",
"type": "input",
"description": "Reset input pin; electrical description is not in the supplied pages."
},
{
"number": "21",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage, 2.7 - 5.5V for ATmega128L."
},
{
"number": "22",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "23",
"name": "XTAL2",
"type": "output",
"description": "Oscillator amplifier output (crystal/clock); electrical description is not in the supplied pages."
},
{
"number": "24",
"name": "XTAL1",
"type": "input",
"description": "Oscillator amplifier / clock input; electrical description is not in the supplied pages."
},
{
"number": "25",
"name": "PD0",
"type": "bidirectional",
"description": "Port D bit 0, bi-directional I/O with selectable pull-up; alternate functions SCL/INT0."
},
{
"number": "26",
"name": "PD1",
"type": "bidirectional",
"description": "Port D bit 1, bi-directional I/O with selectable pull-up; alternate functions SDA/INT1."
},
{
"number": "27",
"name": "PD2",
"type": "bidirectional",
"description": "Port D bit 2, bi-directional I/O with selectable pull-up; alternate functions RXD1/INT2."
},
{
"number": "28",
"name": "PD3",
"type": "bidirectional",
"description": "Port D bit 3, bi-directional I/O with selectable pull-up; alternate functions TXD1/INT3."
},
{
"number": "29",
"name": "PD4",
"type": "bidirectional",
"description": "Port D bit 4, bi-directional I/O with selectable pull-up; alternate function ICP1."
},
{
"number": "30",
"name": "PD5",
"type": "bidirectional",
"description": "Port D bit 5, bi-directional I/O with selectable pull-up; alternate function XCK1."
},
{
"number": "31",
"name": "PD6",
"type": "bidirectional",
"description": "Port D bit 6, bi-directional I/O with selectable pull-up; alternate function T1."
},
{
"number": "32",
"name": "PD7",
"type": "bidirectional",
"description": "Port D bit 7, bi-directional I/O with selectable pull-up; alternate function T2."
},
{
"number": "33",
"name": "PG0",
"type": "bidirectional",
"description": "Port G bit 0, bi-directional I/O with selectable pull-up; alternate function WR (external memory write strobe)."
},
{
"number": "34",
"name": "PG1",
"type": "bidirectional",
"description": "Port G bit 1, bi-directional I/O with selectable pull-up; alternate function RD (external memory read strobe)."
},
{
"number": "35",
"name": "PC0",
"type": "bidirectional",
"description": "Port C bit 0, bi-directional I/O with selectable pull-up; alternate function A8 (external address)."
},
{
"number": "36",
"name": "PC1",
"type": "bidirectional",
"description": "Port C bit 1, bi-directional I/O with selectable pull-up; alternate function A9."
},
{
"number": "37",
"name": "PC2",
"type": "bidirectional",
"description": "Port C bit 2, bi-directional I/O with selectable pull-up; alternate function A10."
},
{
"number": "38",
"name": "PC3",
"type": "bidirectional",
"description": "Port C bit 3, bi-directional I/O with selectable pull-up; alternate function A11."
},
{
"number": "39",
"name": "PC4",
"type": "bidirectional",
"description": "Port C bit 4, bi-directional I/O with selectable pull-up; alternate function A12."
},
{
"number": "40",
"name": "PC5",
"type": "bidirectional",
"description": "Port C bit 5, bi-directional I/O with selectable pull-up; alternate function A13."
},
{
"number": "41",
"name": "PC6",
"type": "bidirectional",
"description": "Port C bit 6, bi-directional I/O with selectable pull-up; alternate function A14."
},
{
"number": "42",
"name": "PC7",
"type": "bidirectional",
"description": "Port C bit 7, bi-directional I/O with selectable pull-up; alternate function A15."
},
{
"number": "43",
"name": "PG2",
"type": "bidirectional",
"description": "Port G bit 2, bi-directional I/O with selectable pull-up; alternate function ALE (external memory address latch enable)."
},
{
"number": "44",
"name": "PA7",
"type": "bidirectional",
"description": "Port A bit 7, bi-directional I/O with selectable pull-up; alternate function AD7 (external memory address/data)."
},
{
"number": "45",
"name": "PA6",
"type": "bidirectional",
"description": "Port A bit 6, bi-directional I/O with selectable pull-up; alternate function AD6."
},
{
"number": "46",
"name": "PA5",
"type": "bidirectional",
"description": "Port A bit 5, bi-directional I/O with selectable pull-up; alternate function AD5."
},
{
"number": "47",
"name": "PA4",
"type": "bidirectional",
"description": "Port A bit 4, bi-directional I/O with selectable pull-up; alternate function AD4."
},
{
"number": "48",
"name": "PA3",
"type": "bidirectional",
"description": "Port A bit 3, bi-directional I/O with selectable pull-up; alternate function AD3."
},
{
"number": "49",
"name": "PA2",
"type": "bidirectional",
"description": "Port A bit 2, bi-directional I/O with selectable pull-up; alternate function AD2."
},
{
"number": "50",
"name": "PA1",
"type": "bidirectional",
"description": "Port A bit 1, bi-directional I/O with selectable pull-up; alternate function AD1."
},
{
"number": "51",
"name": "PA0",
"type": "bidirectional",
"description": "Port A bit 0, bi-directional I/O with selectable pull-up; alternate function AD0."
},
{
"number": "52",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage, 2.7 - 5.5V for ATmega128L."
},
{
"number": "53",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "54",
"name": "PF7",
"type": "bidirectional",
"description": "Port F bit 7, ADC7 analog input or I/O; JTAG TDI, with pull-up activated even during reset when JTAG is enabled."
},
{
"number": "55",
"name": "PF6",
"type": "bidirectional",
"description": "Port F bit 6, ADC6 analog input or I/O; JTAG TDO, which is tri-stated unless TAP states that shift out data are entered."
},
{
"number": "56",
"name": "PF5",
"type": "bidirectional",
"description": "Port F bit 5, ADC5 analog input or I/O; JTAG TMS, with pull-up activated even during reset when JTAG is enabled."
},
{
"number": "57",
"name": "PF4",
"type": "bidirectional",
"description": "Port F bit 4, ADC4 analog input or I/O; JTAG TCK, with pull-up activated even during reset when JTAG is enabled."
},
{
"number": "58",
"name": "PF3",
"type": "bidirectional",
"description": "Port F bit 3, ADC3 analog input to the A/D converter or general I/O."
},
{
"number": "59",
"name": "PF2",
"type": "bidirectional",
"description": "Port F bit 2, ADC2 analog input to the A/D converter or general I/O."
},
{
"number": "60",
"name": "PF1",
"type": "bidirectional",
"description": "Port F bit 1, ADC1 analog input to the A/D converter or general I/O."
},
{
"number": "61",
"name": "PF0",
"type": "bidirectional",
"description": "Port F bit 0, ADC0 analog input to the A/D converter or general I/O."
},
{
"number": "62",
"name": "AREF",
"type": "input",
"description": "Analog reference pin for the A/D converter; electrical description is not in the supplied pages."
},
{
"number": "63",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "64",
"name": "AVCC",
"type": "power_in",
"description": "Supply voltage pin for the A/D converter (port F); electrical description is not in the supplied pages."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The pin descriptions page for PEN, RESET, XTAL1, XTAL2, AREF and AVCC is not in the supplied text. T; Pin numbers were rebuilt from the Figure 1 text, which is flattened. The pin groups and order match ; The alternate-function pin descriptions are shortened from the Figure 1 labels. The detailed alterna",
"14/64 pins cited to the wrong page (name found elsewhere): ['21:VCC@p5', '22:GND@p5', '23:XTAL2@p2', '28:PD3@p2']"
],
"pages_sent": 15,
"cost_usd": 0.3455,
"at": "2026-11-02T19:16:11"
},
"datasheet": {
"url": "https://ww1.microchip.com/downloads/en/DeviceDoc/2467S.pdf",
"pages": 24,
"sha256": "31b0b99362e18471",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 64,
"described": 64,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "atmega128l-8aur.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
16.0,
16.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "ba925bf5c4254d55a029c50945e4157a8371aaac29d2dc73cee8d71f59249e8c",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atmega128l-8aur-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
16.0,
16.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "858fb9fbe104362b0b2b864982db55455651bb6ccc8e82e5171644f7a1766023",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}