component
ATMEGA32A-AN
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, TQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "atmega32a-an",
"title": "ATMEGA32A-AN",
"brief": "Microchip Tech Pre-ordered MCUs, TQFP-44(10x10). 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",
"atmega32a-an",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ATMEGA32A-AN",
"manufacturer": "Microchip Tech",
"package": "TQFP-44(10x10)",
"pin_count": 44,
"category": "Embedded Processors & Controllers",
"subcategory": "Pre-ordered MCUs",
"datasheet": "https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/ATmega32A-DataSheet-Complete-DS40002072A.pdf",
"parts": {
"symbol": "atmega32a-an.kicad_sym",
"footprint": "atmega32a-an.kicad_mod",
"model_3d": "atmega32a-an-hero.glb",
"model_3d_plain": "atmega32a-an-etched.glb",
"model_3d_step": "atmega32a-an-etched.step",
"model_3d_step_plain": "atmega32a-an.step",
"lbr": "atmega32a-an.lbr"
},
"distributor_links": {
"lcsc": "C1337675",
"digikey": "ATMEGA32A-AN-ND"
},
"distributor_check": {
"checked_at": "2026-10-31T18:47:48Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATMEGA32A-AN-ND",
"status": "found"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "PB5",
"type": "bidirectional",
"description": "Port B bit 5, 8-bit bidirectional I/O with internal pull-up; alternate function MOSI (SPI master data output / slave data input)."
},
{
"number": "2",
"name": "PB6",
"type": "bidirectional",
"description": "Port B bit 6, bidirectional I/O with internal pull-up; alternate function MISO (SPI master data input / slave data output)."
},
{
"number": "3",
"name": "PB7",
"type": "bidirectional",
"description": "Port B bit 7, bidirectional I/O with internal pull-up; alternate function SCK (SPI master clock output / slave clock input)."
},
{
"number": "4",
"name": "RESET",
"type": "input",
"description": "Reset input; a low level longer than the minimum pulse length generates a reset even if the clock is not running."
},
{
"number": "5",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage."
},
{
"number": "6",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "7",
"name": "XTAL2",
"type": "output",
"description": "Output from the inverting oscillator amplifier."
},
{
"number": "8",
"name": "XTAL1",
"type": "input",
"description": "Input to the inverting oscillator amplifier and input to the internal clock operating circuit."
},
{
"number": "9",
"name": "PD0",
"type": "bidirectional",
"description": "Port D bit 0, bidirectional I/O with internal pull-up; alternate function RXD (USART receive data input)."
},
{
"number": "10",
"name": "PD1",
"type": "bidirectional",
"description": "Port D bit 1, bidirectional I/O with internal pull-up; alternate function TXD (USART transmit data output)."
},
{
"number": "11",
"name": "PD2",
"type": "bidirectional",
"description": "Port D bit 2, bidirectional I/O with internal pull-up; alternate function INT0 (external interrupt 0 input)."
},
{
"number": "12",
"name": "PD3",
"type": "bidirectional",
"description": "Port D bit 3, bidirectional I/O with internal pull-up; alternate function INT1 (external interrupt 1 input)."
},
{
"number": "13",
"name": "PD4",
"type": "bidirectional",
"description": "Port D bit 4, bidirectional I/O with internal pull-up; alternate function OC1B (Timer/Counter1 output compare B match output)."
},
{
"number": "14",
"name": "PD5",
"type": "bidirectional",
"description": "Port D bit 5, bidirectional I/O with internal pull-up; alternate function OC1A (Timer/Counter1 output compare A match output)."
},
{
"number": "15",
"name": "PD6",
"type": "bidirectional",
"description": "Port D bit 6, bidirectional I/O with internal pull-up; alternate function ICP1 (Timer/Counter1 input capture pin)."
},
{
"number": "16",
"name": "PD7",
"type": "bidirectional",
"description": "Port D bit 7, bidirectional I/O with internal pull-up; alternate function OC2 (Timer/Counter2 output compare match output)."
},
{
"number": "17",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage."
},
{
"number": "18",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "19",
"name": "PC0",
"type": "bidirectional",
"description": "Port C bit 0, bidirectional I/O with internal pull-up; alternate function SCL (two-wire serial interface clock, open-drain with spike filter for spikes shorter than 50 ns)."
},
{
"number": "20",
"name": "PC1",
"type": "bidirectional",
"description": "Port C bit 1, bidirectional I/O with internal pull-up; alternate function SDA (two-wire serial interface data, open-drain with spike filter for spikes shorter than 50 ns)."
},
{
"number": "21",
"name": "PC2",
"type": "bidirectional",
"description": "Port C bit 2, bidirectional I/O with internal pull-up; alternate function TCK (JTAG test clock), pull-up active even during reset when JTAG is enabled."
},
{
"number": "22",
"name": "PC3",
"type": "bidirectional",
"description": "Port C bit 3, bidirectional I/O with internal pull-up; alternate function TMS (JTAG test mode select), pull-up active even during reset when JTAG is enabled."
},
{
"number": "23",
"name": "PC4",
"type": "bidirectional",
"description": "Port C bit 4, bidirectional I/O with internal pull-up; alternate function TDO (JTAG test data out), tri-stated unless TAP states that shift out data are entered."
},
{
"number": "24",
"name": "PC5",
"type": "bidirectional",
"description": "Port C bit 5, bidirectional I/O with internal pull-up; alternate function TDI (JTAG test data in), pull-up active even during reset when JTAG is enabled."
},
{
"number": "25",
"name": "PC6",
"type": "bidirectional",
"description": "Port C bit 6, bidirectional I/O with internal pull-up; alternate function TOSC1 (timer oscillator input) when AS2 is set, not usable as I/O then."
},
{
"number": "26",
"name": "PC7",
"type": "bidirectional",
"description": "Port C bit 7, bidirectional I/O with internal pull-up; alternate function TOSC2 (timer oscillator inverting output) when AS2 is set, not usable as I/O then."
},
{
"number": "27",
"name": "AVCC",
"type": "power_in",
"description": "Supply voltage for Port A and the A/D converter; must be connected to VCC even if the ADC is not used, through a low-pass filter if the ADC is used."
},
{
"number": "28",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "29",
"name": "AREF",
"type": "input",
"description": "Analog reference pin for the A/D converter."
},
{
"number": "30",
"name": "PA7",
"type": "bidirectional",
"description": "Port A bit 7, bidirectional I/O with internal pull-up; alternate function ADC7 (ADC input channel 7)."
},
{
"number": "31",
"name": "PA6",
"type": "bidirectional",
"description": "Port A bit 6, bidirectional I/O with internal pull-up; alternate function ADC6 (ADC input channel 6)."
},
{
"number": "32",
"name": "PA5",
"type": "bidirectional",
"description": "Port A bit 5, bidirectional I/O with internal pull-up; alternate function ADC5 (ADC input channel 5)."
},
{
"number": "33",
"name": "PA4",
"type": "bidirectional",
"description": "Port A bit 4, bidirectional I/O with internal pull-up; alternate function ADC4 (ADC input channel 4)."
},
{
"number": "34",
"name": "PA3",
"type": "bidirectional",
"description": "Port A bit 3, bidirectional I/O with internal pull-up; alternate function ADC3 (ADC input channel 3)."
},
{
"number": "35",
"name": "PA2",
"type": "bidirectional",
"description": "Port A bit 2, bidirectional I/O with internal pull-up; alternate function ADC2 (ADC input channel 2)."
},
{
"number": "36",
"name": "PA1",
"type": "bidirectional",
"description": "Port A bit 1, bidirectional I/O with internal pull-up; alternate function ADC1 (ADC input channel 1)."
},
{
"number": "37",
"name": "PA0",
"type": "bidirectional",
"description": "Port A bit 0, bidirectional I/O with internal pull-up; alternate function ADC0 (ADC input channel 0)."
},
{
"number": "38",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage."
},
{
"number": "39",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "40",
"name": "PB0",
"type": "bidirectional",
"description": "Port B bit 0, bidirectional I/O with internal pull-up; alternate functions T0 (Timer/Counter0 external counter input) and XCK (USART external clock input/output)."
},
{
"number": "41",
"name": "PB1",
"type": "bidirectional",
"description": "Port B bit 1, bidirectional I/O with internal pull-up; alternate function T1 (Timer/Counter1 external counter input)."
},
{
"number": "42",
"name": "PB2",
"type": "bidirectional",
"description": "Port B bit 2, bidirectional I/O with internal pull-up; alternate functions AIN0 (analog comparator positive input) and INT2 (external interrupt 2 input)."
},
{
"number": "43",
"name": "PB3",
"type": "bidirectional",
"description": "Port B bit 3, bidirectional I/O with internal pull-up; alternate functions AIN1 (analog comparator negative input) and OC0 (Timer/Counter0 output compare match output)."
},
{
"number": "44",
"name": "PB4",
"type": "bidirectional",
"description": "Port B bit 4, bidirectional I/O with internal pull-up; alternate function SS (SPI slave select input, active low)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin numbers read from the TQFP/MLF drawing on page 10. The note about a bottom pad to be soldered to",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 45,
"cost_usd": 1.0464,
"at": "2026-10-31T18:47:38"
},
"datasheet": {
"url": "https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/ATmega32A-DataSheet-Complete-DS40002072A.pdf",
"pages": 339,
"sha256": "a12026626ab84321",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 44,
"described": 44,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "atmega32a-an.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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12,
1.1
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "61ecec1147f835d2c9d165c450b1c8d53e65b038f6ca1dac3066a2dfb1bbbb85",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atmega32a-an-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "73766205e17808ae84c6b973a33b57790ac17c2ccce9c693c7bcd186798a6103",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "TQFP-44(10x10)",
"Category": "Embedded Processors & Controllers",
"Pins": "44"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "a12026626ab84321fd1520dc105a916e5636485665df57efecf75c330806e64a",
"rows": [
{
"name": "Operating Temperature (Extended grade)",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 105,
"conditions": "Extended range for ATmega32A-AN",
"source_page": 329,
"source": "datasheet"
},
{
"name": "Supply voltage",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Absolute max operating temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 125,
"conditions": "Operating Temperature",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Voltage on any pin except RESET",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "with respect to Ground; max is VCC+0.5V",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Voltage on RESET",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 13,
"conditions": "with respect to Ground",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Maximum Operating Voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 286,
"source": "datasheet"
},
{
"name": "DC Current per I/O Pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 286,
"source": "datasheet"
},
{
"name": "DC Current VCC pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 200,
"conditions": "VCC pins",
"source_page": 286,
"source": "datasheet"
},
{
"name": "DC Current GND pins",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 400,
"conditions": "GND pins, TQFP/MLF",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Input Low Voltage except XTAL1 and RESET",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 0.2,
"conditions": "VCC = 4.5 - 5.5; max is 0.2 VCC",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Input High Voltage except XTAL1 and RESET",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 0.6,
"typ": null,
"max": null,
"conditions": "VCC = 4.5 - 5.5; min is 0.6 VCC, max VCC + 0.5",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Input Low Voltage XTAL1",
"symbol": "VIL1",
"kind": "electrical",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 0.1,
"conditions": "VCC = 2.7 - 5.5; max is 0.1 VCC",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Input High Voltage XTAL1",
"symbol": "VIH1",
"kind": "electrical",
"unit": "V",
"min": 0.7,
"typ": null,
"max": null,
"conditions": "VCC = 4.5 - 5.5; min is 0.7 VCC, max VCC + 0.5",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Input Low Voltage RESET",
"symbol": "VIL2",
"kind": "electrical",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 0.2,
"conditions": "VCC = 2.7 - 5.5; max is 0.2 VCC",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Input High Voltage RESET",
"symbol": "VIH2",
"kind": "electrical",
"unit": "V",
"min": 0.9,
"typ": null,
"max": null,
"conditions": "VCC = 2.7 - 5.5; min is 0.9 VCC, max VCC + 0.5",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Output Low Voltage (5V)",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.7,
"conditions": "IOL = 20 mA, VCC = 5V",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Output Low Voltage (3V)",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "IOL = 10 mA, VCC = 3V",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Output High Voltage (5V)",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 4.2,
"typ": null,
"max": null,
"conditions": "IOH = -20 mA, VCC = 5V",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Output High Voltage (3V)",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 2.2,
"typ": null,
"max": null,
"conditions": "IOH = -10 mA, VCC = 3V",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Input Leakage Current I/O Pin, pin low",
"symbol": "IIL",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "VCC = 5.5V, pin low (absolute value)",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Input Leakage Current I/O Pin, pin high",
"symbol": "IIH",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "VCC = 5.5V, pin high (absolute value)",
"source_page": 286,
"source": "datasheet"
},
{
"name": "Reset Pull-up Resistor",
"symbol": "RRST",
"kind": "electrical",
"unit": "kΩ",
"min": 30,
"typ": null,
"max": 85,
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