component
ATMEGA808-MU
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "atmega808-mu",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Pre-ordered MCUs, VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"embedded processors & controllers",
"atmega808-mu",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"atmega808-mu.kicad_sym",
"atmega808-mu.kicad_mod",
"atmega808-mu.glb",
"atmega808-mu.step",
"atmega808-mu.lbr",
"docs/hero.png",
"docs/atmega808-mu-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"atmega808-mu-hero.glb",
"atmega808-mu-hero.overlay.json",
"atmega808-mu-etched.glb"
],
"component": {
"mpn": "ATMEGA808-MU",
"manufacturer": "Microchip Tech",
"package": "VQFN-32-EP(5x5)",
"pin_count": 33,
"category": "Embedded Processors & Controllers",
"subcategory": "Pre-ordered MCUs",
"datasheet": "https://ww1.microchip.com/downloads/aemDocuments/documents/MCU08/ProductDocuments/DataSheets/ATmega808-09-1608-09-DataSheet-DS40002172C.pdf",
"parts": {
"symbol": "atmega808-mu.kicad_sym",
"footprint": "atmega808-mu.kicad_mod",
"model_3d": "atmega808-mu-hero.glb",
"model_3d_plain": "atmega808-mu-etched.glb",
"model_3d_step": "atmega808-mu-etched.step",
"model_3d_step_plain": "atmega808-mu.step",
"lbr": "atmega808-mu.lbr"
},
"distributor_links": {
"lcsc": "C1340539",
"digikey": "150-ATMEGA808-MU-ND",
"mouser": "556-ATMEGA808-MU"
},
"distributor_check": {
"checked_at": "2026-10-27T00:32:08Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "150-ATMEGA808-MU-ND",
"status": "found"
},
"mouser": {
"pn": "556-ATMEGA808-MU",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA3",
"type": "bidirectional",
"description": "PORTA pin 3 GPIO with TWI SCL (host/client), USART0 XDIR, TCA0 WO3, TCB1 WO and CCL 0-OUT functions."
},
{
"number": "2",
"name": "PA4",
"type": "bidirectional",
"description": "PORTA pin 4 GPIO with SPI0 MOSI, TCA0 WO4 and alternate USART0 TxD functions."
},
{
"number": "3",
"name": "PA5",
"type": "bidirectional",
"description": "PORTA pin 5 GPIO with SPI0 MISO, TCA0 WO5 and alternate USART0 RxD functions."
},
{
"number": "4",
"name": "PA6",
"type": "bidirectional",
"description": "PORTA pin 6 GPIO with SPI0 SCK and alternate USART0 XCK and CCL 0-OUT functions."
},
{
"number": "5",
"name": "PA7",
"type": "bidirectional",
"description": "PORTA pin 7 GPIO with CLKOUT, AC0 OUT, SPI0 SS and alternate USART0 XDIR and EVOUTA functions."
},
{
"number": "6",
"name": "PC0",
"type": "bidirectional",
"description": "PORTC pin 0 GPIO with USART1 TxD, TCB2 WO and CCL 1-IN0 functions."
},
{
"number": "7",
"name": "PC1",
"type": "bidirectional",
"description": "PORTC pin 1 GPIO with USART1 RxD, TCB3 WO (alternate) and CCL 1-IN1 functions."
},
{
"number": "8",
"name": "PC2",
"type": "bidirectional",
"description": "PORTC pin 2 GPIO with TWI SDA (host/client), USART1 XCK, EVOUTC and CCL 1-IN2 functions."
},
{
"number": "9",
"name": "PC3",
"type": "bidirectional",
"description": "PORTC pin 3 GPIO with TWI SCL (host/client), USART1 XDIR and CCL 1-OUT functions."
},
{
"number": "10",
"name": "PD0",
"type": "bidirectional",
"description": "PORTD pin 0 GPIO with ADC0 input AIN0 and CCL 2-IN0 function."
},
{
"number": "11",
"name": "PD1",
"type": "bidirectional",
"description": "PORTD pin 1 GPIO with ADC0 input AIN1, AC0 input P3 and CCL 2-IN1 function."
},
{
"number": "12",
"name": "PD2",
"type": "bidirectional",
"description": "PORTD pin 2 GPIO with ADC0 input AIN2, AC0 input P0, EVOUTD and CCL 2-IN2 function."
},
{
"number": "13",
"name": "PD3",
"type": "bidirectional",
"description": "PORTD pin 3 GPIO with ADC0 input AIN3, AC0 input N0 and CCL 2-OUT function."
},
{
"number": "14",
"name": "PD4",
"type": "bidirectional",
"description": "PORTD pin 4 GPIO with ADC0 input AIN4 and AC0 input P1."
},
{
"number": "15",
"name": "PD5",
"type": "bidirectional",
"description": "PORTD pin 5 GPIO with ADC0 input AIN5 and AC0 input N1."
},
{
"number": "16",
"name": "PD6",
"type": "bidirectional",
"description": "PORTD pin 6 GPIO with ADC0 input AIN6 and AC0 input P2 (fully asynchronous pin-change detection)."
},
{
"number": "17",
"name": "PD7",
"type": "bidirectional",
"description": "PORTD pin 7 GPIO with external reference input VREFA, ADC0 input AIN7 and AC0 input N2."
},
{
"number": "18",
"name": "AVDD",
"type": "power_in",
"description": "Analog supply input powering the AVDD-domain GPIO pins and analog functions."
},
{
"number": "19",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "20",
"name": "PF0",
"type": "bidirectional",
"description": "PORTF pin 0 GPIO with 32.768 kHz crystal oscillator input TOSC1, USART2 TxD and CCL 3-IN0 functions."
},
{
"number": "21",
"name": "PF1",
"type": "bidirectional",
"description": "PORTF pin 1 GPIO with 32.768 kHz crystal oscillator output TOSC2, USART2 RxD and CCL 3-IN1 functions."
},
{
"number": "22",
"name": "PF2",
"type": "bidirectional",
"description": "PORTF pin 2 GPIO with TWI SDA (client), ADC0 input AIN12, USART2 XCK, EVOUTF and CCL 3-IN2 functions."
},
{
"number": "23",
"name": "PF3",
"type": "bidirectional",
"description": "PORTF pin 3 GPIO with TWI SCL (client), ADC0 input AIN13, USART2 XDIR and CCL 3-OUT functions."
},
{
"number": "24",
"name": "PF4",
"type": "bidirectional",
"description": "PORTF pin 4 GPIO with ADC0 input AIN14 and alternate USART2 TxD, TCA0 WO4 and TCB0 WO functions."
},
{
"number": "25",
"name": "PF5",
"type": "bidirectional",
"description": "PORTF pin 5 GPIO with ADC0 input AIN15 and alternate USART2 RxD, TCA0 WO5 and TCB1 WO functions."
},
{
"number": "26",
"name": "PF6 (RESET)",
"type": "bidirectional",
"description": "PORTF pin 6 that serves as the active-low RESET input when the RSTPINCFG fuse selects RESET, otherwise a GPIO."
},
{
"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": "Digital supply input, 1.8V to 5.5V operating range per the ordering table."
},
{
"number": "29",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "30",
"name": "PA0 (EXTCLK)",
"type": "bidirectional",
"description": "PORTA pin 0 GPIO with external clock input EXTCLK, USART0 TxD, TCA0 WO0 and CCL 0-IN0 functions."
},
{
"number": "31",
"name": "PA1",
"type": "bidirectional",
"description": "PORTA pin 1 GPIO with USART0 RxD, TCA0 WO1 and CCL 0-IN1 functions."
},
{
"number": "32",
"name": "PA2",
"type": "bidirectional",
"description": "PORTA pin 2 GPIO with TWI SDA (host/client), USART0 XCK, TCA0 WO2, TCB0 WO, EVOUTA and CCL 0-IN2 functions."
},
{
"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-sonnet-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 has no pin number in the datasheet. The note on page 15 says it can be connec; The pinout figure on page 15 gives no pin-number-to-name mapping in the extracted text. The numbers ; The datasheet does not state the electrical direction of PF6/RESET or UPDI. Both are classed as bidi"
],
"pages_sent": 102,
"cost_usd": 0.6331,
"at": "2026-10-27T00:31:08"
},
"datasheet": {
"url": "https://ww1.microchip.com/downloads/aemDocuments/documents/MCU08/ProductDocuments/DataSheets/ATmega808-09-1608-09-DataSheet-DS40002172C.pdf",
"pages": 552,
"sha256": "e4bbeee766cda6b4",
"source_tier": "lcsc"
},
"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": "atmega808-mu.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.0,
5.0,
0.875
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atmega808-mu-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.0,
5.0,
0.875
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "b9cc8d87e2d9dafae4a792514e2bd4be7cda27fdc0a08dec872f0836564c2e8c",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}