component
ATXMEGA32A4-AU
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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"description": "Microchip Tech Pre-ordered MCUs, TQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"component": {
"mpn": "ATXMEGA32A4-AU",
"manufacturer": "Microchip Tech",
"package": "TQFP-44(10x10)",
"pin_count": 44,
"category": "Embedded Processors & Controllers",
"subcategory": "Pre-ordered MCUs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b435da39f360c79f99492fe453e47893.pdf",
"parts": {
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"lbr": "atxmega32a4-au.lbr"
},
"distributor_links": {
"lcsc": "C1337691",
"digikey": "ATXMEGA32A4-AU-ND",
"mouser": "556-ATXMEGA32A4-AU"
},
"distributor_check": {
"checked_at": "2026-10-31T10:13:01Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATXMEGA32A4-AU-ND",
"status": "found",
"lifecycle": "Active"
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"pn": "556-ATXMEGA32A4-AU",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA5",
"type": "bidirectional",
"description": "Port A bit 5 I/O with synchronous pin-change interrupt; alternate functions are ADC5 and AC5 analog inputs."
},
{
"number": "2",
"name": "PA6",
"type": "bidirectional",
"description": "Port A bit 6 I/O with synchronous pin-change interrupt; alternate functions are ADC6 and AC6 analog inputs."
},
{
"number": "3",
"name": "PA7",
"type": "bidirectional",
"description": "Port A bit 7 I/O with synchronous pin-change interrupt; alternate functions are ADC7 input and the AC0 output (AC0OUT)."
},
{
"number": "4",
"name": "PB0",
"type": "bidirectional",
"description": "Port B bit 0 I/O with synchronous pin-change interrupt; alternate functions are ADC8 input and the AREF reference input."
},
{
"number": "5",
"name": "PB1",
"type": "bidirectional",
"description": "Port B bit 1 I/O with synchronous pin-change interrupt; alternate function is ADC9 analog input."
},
{
"number": "6",
"name": "PB2",
"type": "bidirectional",
"description": "Port B bit 2 I/O with synchronous/asynchronous pin-change interrupt; alternate functions are ADC10 input and DAC0 output."
},
{
"number": "7",
"name": "PB3",
"type": "bidirectional",
"description": "Port B bit 3 I/O with synchronous pin-change interrupt; alternate functions are ADC11 input and DAC1 output."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Ground pin; the datasheet's absolute maximum DC current rating for the VCC and GND pins is 200.0 mA."
},
{
"number": "9",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage; the device operating range is 1.6 - 3.6 V with a maximum operating voltage of 3.6 V."
},
{
"number": "10",
"name": "PC0",
"type": "bidirectional",
"description": "Port C bit 0 I/O with synchronous pin-change interrupt; alternate functions are TCC0 OC0A, AWEXC OC0ALS and TWIC SDA."
},
{
"number": "11",
"name": "PC1",
"type": "bidirectional",
"description": "Port C bit 1 I/O with synchronous pin-change interrupt; alternate functions are TCC0 OC0B, AWEXC OC0AHS, USARTC0 XCK0 and TWIC SCL."
},
{
"number": "12",
"name": "PC2",
"type": "bidirectional",
"description": "Port C bit 2 I/O with synchronous/asynchronous pin-change interrupt; alternate functions are TCC0 OC0C, AWEXC OC0BLS and USARTC0 RXD0."
},
{
"number": "13",
"name": "PC3",
"type": "bidirectional",
"description": "Port C bit 3 I/O with synchronous pin-change interrupt; alternate functions are TCC0 OC0D, AWEXC OC0BHS and USARTC0 TXD0."
},
{
"number": "14",
"name": "PC4",
"type": "bidirectional",
"description": "Port C bit 4 I/O with synchronous pin-change interrupt; alternate functions are AWEXC OC0CLS, TCC1 OC1A and SPI SS."
},
{
"number": "15",
"name": "PC5",
"type": "bidirectional",
"description": "Port C bit 5 I/O with synchronous pin-change interrupt; alternate functions are AWEXC OC0CHS, TCC1 OC1B, USARTC1 XCK1 and SPI MOSI."
},
{
"number": "16",
"name": "PC6",
"type": "bidirectional",
"description": "Port C bit 6 I/O with synchronous pin-change interrupt; alternate functions are AWEXC OC0DLS, USARTC1 RXD1 and SPI MISO."
},
{
"number": "17",
"name": "PC7",
"type": "bidirectional",
"description": "Port C bit 7 I/O with synchronous pin-change interrupt; alternate functions are AWEXC OC0DHS, USARTC1 TXD1, SPI SCK, CLKOUT and EVENTOUT."
},
{
"number": "18",
"name": "GND",
"type": "power_in",
"description": "Ground pin; the datasheet's absolute maximum DC current rating for the VCC and GND pins is 200.0 mA."
},
{
"number": "19",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage; the device operating range is 1.6 - 3.6 V with a maximum operating voltage of 3.6 V."
},
{
"number": "20",
"name": "PD0",
"type": "bidirectional",
"description": "Port D bit 0 I/O with synchronous pin-change interrupt; alternate function is TCD0 OC0A."
},
{
"number": "21",
"name": "PD1",
"type": "bidirectional",
"description": "Port D bit 1 I/O with synchronous pin-change interrupt; alternate functions are TCD0 OC0B and USARTD0 XCK0."
},
{
"number": "22",
"name": "PD2",
"type": "bidirectional",
"description": "Port D bit 2 I/O with synchronous/asynchronous pin-change interrupt; alternate functions are TCD0 OC0C and USARTD0 RXD0."
},
{
"number": "23",
"name": "PD3",
"type": "bidirectional",
"description": "Port D bit 3 I/O with synchronous pin-change interrupt; alternate functions are TCD0 OC0D and USARTD0 TXD0."
},
{
"number": "24",
"name": "PD4",
"type": "bidirectional",
"description": "Port D bit 4 I/O with synchronous pin-change interrupt; alternate functions are TCD1 OC1A and SPID SS."
},
{
"number": "25",
"name": "PD5",
"type": "bidirectional",
"description": "Port D bit 5 I/O with synchronous pin-change interrupt; alternate functions are TCD1 OC1B, USARTD1 XCK1 and SPID MOSI."
},
{
"number": "26",
"name": "PD6",
"type": "bidirectional",
"description": "Port D bit 6 I/O with synchronous pin-change interrupt; alternate functions are USARTD1 RXD1 and SPID MISO."
},
{
"number": "27",
"name": "PD7",
"type": "bidirectional",
"description": "Port D bit 7 I/O with synchronous pin-change interrupt; alternate functions are USARTD1 TXD1, SPID SCK, CLKOUT and EVENTOUT."
},
{
"number": "28",
"name": "PE0",
"type": "bidirectional",
"description": "Port E bit 0 I/O with synchronous pin-change interrupt; alternate functions are TCE0 OC0A and TWIE SDA."
},
{
"number": "29",
"name": "PE1",
"type": "bidirectional",
"description": "Port E bit 1 I/O with synchronous pin-change interrupt; alternate functions are TCE0 OC0B, USARTE0 XCK0 and TWIE SCL."
},
{
"number": "30",
"name": "GND",
"type": "power_in",
"description": "Ground pin; the datasheet's absolute maximum DC current rating for the VCC and GND pins is 200.0 mA."
},
{
"number": "31",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage; the device operating range is 1.6 - 3.6 V with a maximum operating voltage of 3.6 V."
},
{
"number": "32",
"name": "PE2",
"type": "bidirectional",
"description": "Port E bit 2 I/O with synchronous/asynchronous pin-change interrupt; alternate functions are TCE0 OC0C and USARTE0 RXD0."
},
{
"number": "33",
"name": "PE3",
"type": "bidirectional",
"description": "Port E bit 3 I/O with synchronous pin-change interrupt; alternate functions are TCE0 OC0D and USARTE0 TXD0."
},
{
"number": "34",
"name": "PDI",
"type": "bidirectional",
"description": "PDI_DATA pin of the 2-pin Atmel Program and Debug Interface, used for programming Flash, EEPROM, fuses and lock bits and for debugging."
},
{
"number": "35",
"name": "RESET",
"type": "input",
"description": "Reset pin, which also serves as PDI_CLK for the Program and Debug Interface."
},
{
"number": "36",
"name": "PR0",
"type": "bidirectional",
"description": "Port R bit 0 with alternate functions XTAL2 (inverting oscillator pin) and TOSC2 (timer oscillator pin)."
},
{
"number": "37",
"name": "PR1",
"type": "bidirectional",
"description": "Port R bit 1 with alternate functions XTAL1 (inverting oscillator pin) and TOSC1 (timer oscillator pin)."
},
{
"number": "38",
"name": "GND",
"type": "power_in",
"description": "Ground pin; the datasheet's absolute maximum DC current rating for the VCC and GND pins is 200.0 mA."
},
{
"number": "39",
"name": "AVCC",
"type": "power_in",
"description": "Analog supply voltage pin; the device operating voltage range is 1.6 - 3.6 V."
},
{
"number": "40",
"name": "PA0",
"type": "bidirectional",
"description": "Port A bit 0 I/O with synchronous pin-change interrupt; alternate functions are ADC0 input, AC0 input and the AREF reference input."
},
{
"number": "41",
"name": "PA1",
"type": "bidirectional",
"description": "Port A bit 1 I/O with synchronous pin-change interrupt; alternate functions are ADC1 and AC1 analog inputs."
},
{
"number": "42",
"name": "PA2",
"type": "bidirectional",
"description": "Port A bit 2 I/O with synchronous/asynchronous pin-change interrupt; alternate functions are ADC2 and AC2 analog inputs."
},
{
"number": "43",
"name": "PA3",
"type": "bidirectional",
"description": "Port A bit 3 I/O with synchronous pin-change interrupt; alternate functions are ADC3 and AC3 analog inputs."
},
{
"number": "44",
"name": "PA4",
"type": "bidirectional",
"description": "Port A bit 4 I/O with synchronous pin-change interrupt; alternate functions are ADC4 and AC4 analog inputs."
}
],
"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: Figure 2-1 (TQFP/QFN pinout, page 3) is garbled in the extracted text, so the pin-number-to-name map; Pins 34 and 35 are labelled 'RESET/PDI' in Figure 2-1 but are listed separately in Table 30-6 as PDI; The datasheet gives no per-pin electrical limits. Voltage and current limits in the descriptions are"
],
"pages_sent": 41,
"cost_usd": 0.1573,
"at": "2026-10-31T10:12:50"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/b435da39f360c79f99492fe453e47893.pdf",
"pages": 108,
"sha256": "66fb108fb8aabefc",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 44,
"described": 44,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"units": "mm",
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"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "61ecec1147f835d2c9d165c450b1c8d53e65b038f6ca1dac3066a2dfb1bbbb85",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
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"units": "mm",
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"sha256": "f779f1aacca846294ba889a5505f75e9b5e0cb2f188a72f2f1a14b151e5e77cd",
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}