component
ATMEGA88P-20AU
Public Made by Adomby adom
Microchip Tech Microcontrollers (MCU/MPU/SOC), TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "atmega88p-20au",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Microcontrollers (MCU/MPU/SOC), TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"embedded processors & controllers",
"atmega88p-20au",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"atmega88p-20au.kicad_sym",
"atmega88p-20au.kicad_mod",
"atmega88p-20au.glb",
"atmega88p-20au.step",
"atmega88p-20au.lbr",
"docs/hero.png",
"docs/atmega88p-20au-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"atmega88p-20au-hero.glb",
"atmega88p-20au-hero.overlay.json",
"atmega88p-20au-etched.glb"
],
"component": {
"mpn": "ATMEGA88P-20AU",
"manufacturer": "Microchip Tech",
"package": "TQFP-32(7x7)",
"pin_count": 32,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/ATmega48P_88P_168P-DS40002065A.pdf",
"parts": {
"symbol": "atmega88p-20au.kicad_sym",
"footprint": "atmega88p-20au.kicad_mod",
"model_3d": "atmega88p-20au-hero.glb",
"model_3d_plain": "atmega88p-20au-etched.glb",
"model_3d_step": "atmega88p-20au-etched.step",
"model_3d_step_plain": "atmega88p-20au.step",
"lbr": "atmega88p-20au.lbr"
},
"distributor_links": {
"lcsc": "C618742",
"digikey": "ATMEGA88P-20AU-ND",
"mouser": "556-ATMEGA88P-20AU"
},
"distributor_check": {
"checked_at": "2026-10-31T09:25:29Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATMEGA88P-20AU-ND",
"status": "found"
},
"mouser": {
"pn": "556-ATMEGA88P-20AU",
"status": "found",
"lifecycle": "Not Recommended for New Designs"
}
},
"pins": [
{
"number": "1",
"name": "PD3",
"type": "bidirectional",
"description": "Port D bit 3 bi-directional I/O with internal pull-up, alternate functions PCINT19, OC2B and INT1."
},
{
"number": "2",
"name": "PD4",
"type": "bidirectional",
"description": "Port D bit 4 bi-directional I/O with internal pull-up, alternate functions PCINT20, XCK and T0."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "4",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage."
},
{
"number": "5",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "6",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage."
},
{
"number": "7",
"name": "PB6",
"type": "bidirectional",
"description": "Port B bit 6 I/O, can be input to the inverting oscillator amplifier (XTAL1) or TOSC1, with PCINT6."
},
{
"number": "8",
"name": "PB7",
"type": "bidirectional",
"description": "Port B bit 7 I/O, can be output of the inverting oscillator amplifier (XTAL2) or TOSC2, with PCINT7."
},
{
"number": "9",
"name": "PD5",
"type": "bidirectional",
"description": "Port D bit 5 bi-directional I/O with internal pull-up, alternate functions PCINT21, OC0B and T1."
},
{
"number": "10",
"name": "PD6",
"type": "bidirectional",
"description": "Port D bit 6 bi-directional I/O with internal pull-up, alternate functions PCINT22, OC0A and AIN0."
},
{
"number": "11",
"name": "PD7",
"type": "bidirectional",
"description": "Port D bit 7 bi-directional I/O with internal pull-up, alternate functions PCINT23 and AIN1."
},
{
"number": "12",
"name": "PB0",
"type": "bidirectional",
"description": "Port B bit 0 bi-directional I/O with internal pull-up, alternate functions PCINT0, CLKO and ICP1."
},
{
"number": "13",
"name": "PB1",
"type": "bidirectional",
"description": "Port B bit 1 bi-directional I/O with internal pull-up, alternate functions PCINT1 and OC1A."
},
{
"number": "14",
"name": "PB2",
"type": "bidirectional",
"description": "Port B bit 2 bi-directional I/O with internal pull-up, alternate functions PCINT2, SS and OC1B."
},
{
"number": "15",
"name": "PB3",
"type": "bidirectional",
"description": "Port B bit 3 bi-directional I/O with internal pull-up, alternate functions PCINT3, OC2A and MOSI."
},
{
"number": "16",
"name": "PB4",
"type": "bidirectional",
"description": "Port B bit 4 bi-directional I/O with internal pull-up, alternate functions PCINT4 and MISO."
},
{
"number": "17",
"name": "PB5",
"type": "bidirectional",
"description": "Port B bit 5 bi-directional I/O with internal pull-up, alternate functions PCINT5 and SCK."
},
{
"number": "18",
"name": "AVCC",
"type": "power_in",
"description": "Supply voltage for the A/D Converter, PC3:0 and ADC7:6; must be connected to VCC even if the ADC is unused, through a low-pass filter if the ADC is used."
},
{
"number": "19",
"name": "ADC6",
"type": "input",
"description": "Analog input to the 10-bit A/D converter, powered from the analog supply (TQFP and QFN/MLF only)."
},
{
"number": "20",
"name": "AREF",
"type": "input",
"description": "Analog reference pin for the A/D Converter."
},
{
"number": "21",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "22",
"name": "ADC7",
"type": "input",
"description": "Analog input to the 10-bit A/D converter, powered from the analog supply (TQFP and QFN/MLF only)."
},
{
"number": "23",
"name": "PC0",
"type": "bidirectional",
"description": "Port C bit 0 bi-directional I/O with internal pull-up, alternate functions ADC0 and PCINT8, powered from AVCC."
},
{
"number": "24",
"name": "PC1",
"type": "bidirectional",
"description": "Port C bit 1 bi-directional I/O with internal pull-up, alternate functions ADC1 and PCINT9, powered from AVCC."
},
{
"number": "25",
"name": "PC2",
"type": "bidirectional",
"description": "Port C bit 2 bi-directional I/O with internal pull-up, alternate functions ADC2 and PCINT10, powered from AVCC."
},
{
"number": "26",
"name": "PC3",
"type": "bidirectional",
"description": "Port C bit 3 bi-directional I/O with internal pull-up, alternate functions ADC3 and PCINT11, powered from AVCC."
},
{
"number": "27",
"name": "PC4",
"type": "bidirectional",
"description": "Port C bit 4 bi-directional I/O with internal pull-up, alternate functions ADC4, SDA (TWI data) and PCINT12, powered from VCC."
},
{
"number": "28",
"name": "PC5",
"type": "bidirectional",
"description": "Port C bit 5 bi-directional I/O with internal pull-up, alternate functions ADC5, SCL (TWI clock) and PCINT13, powered from VCC."
},
{
"number": "29",
"name": "PC6/RESET",
"type": "input",
"description": "Reset input, where a low level longer than the minimum pulse length generates a Reset; acts as an I/O pin if the RSTDISBL fuse is programmed."
},
{
"number": "30",
"name": "PD0",
"type": "bidirectional",
"description": "Port D bit 0 bi-directional I/O with internal pull-up, alternate functions RXD and PCINT16."
},
{
"number": "31",
"name": "PD1",
"type": "bidirectional",
"description": "Port D bit 1 bi-directional I/O with internal pull-up, alternate functions TXD and PCINT17."
},
{
"number": "32",
"name": "PD2",
"type": "bidirectional",
"description": "Port D bit 2 bi-directional I/O with internal pull-up, alternate functions INT0 and PCINT18."
}
],
"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: PC6/RESET is typed input as the default Reset function; it becomes an I/O pin if the RSTDISBL fuse i; AREF is typed input based on its description as the ADC analog reference pin; the datasheet does not; The datasheet text gives only the figure's pin labels and no explicit pin-number table. Numbers were"
],
"pages_sent": 76,
"cost_usd": 0.5272,
"at": "2026-10-31T09:25:08"
},
"datasheet": {
"url": "https://ww1.microchip.com/downloads/en/DeviceDoc/ATmega48P_88P_168P-DS40002065A.pdf",
"pages": 436,
"sha256": "aab081a362918ab9",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 32,
"described": 32,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "atmega88p-20au.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.0,
9.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "53431be61c684e9d923915676a90cb08050c23ee3f834d76a77a3b19b41422f1",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atmega88p-20au-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.0,
9.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "e43cdda647f06ffdce63ce47b80fc08b417c7962277ed22c98fb6a1d6d9d867c",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}