component
ATXMEGA32C4-MH
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, VQFN-44-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
Publish 0.1.1
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"package": "VQFN-44-EP(7x7)",
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"category": "Embedded Processors & Controllers",
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"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/68c5cf8d1357bfad17a93317abe07339.pdf",
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"pins": [
{
"number": "1",
"name": "PA5",
"type": "bidirectional",
"description": "Port A pin 5 general purpose I/O with SYNC interrupt, alternate functions ADC5 (ADCA positive/gain input) and AC5 (ACA input)."
},
{
"number": "2",
"name": "PA6",
"type": "bidirectional",
"description": "Port A pin 6 general purpose I/O with SYNC interrupt, alternate functions ADC6, AC6 and AC1OUT."
},
{
"number": "3",
"name": "PA7",
"type": "bidirectional",
"description": "Port A pin 7 general purpose I/O with SYNC interrupt, alternate functions ADC7, AC7 and AC0OUT."
},
{
"number": "4",
"name": "PB0",
"type": "bidirectional",
"description": "Port B pin 0 general purpose I/O with SYNC interrupt, alternate functions ADC8 and AREFB (analog reference input)."
},
{
"number": "5",
"name": "PB1",
"type": "bidirectional",
"description": "Port B pin 1 general purpose I/O with SYNC interrupt, alternate function ADC9."
},
{
"number": "6",
"name": "PB2",
"type": "bidirectional",
"description": "Port B pin 2 general purpose I/O with SYNC/ASYNC interrupt, alternate function ADC10."
},
{
"number": "7",
"name": "PB3",
"type": "bidirectional",
"description": "Port B pin 3 general purpose I/O with SYNC interrupt, alternate function ADC11."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "9",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage (1.6 - 3.6V device operating range)."
},
{
"number": "10",
"name": "PC0",
"type": "bidirectional",
"description": "Port C pin 0 general purpose I/O with SYNC interrupt, alternate functions OC0A, OC0ALS (TCC0/AWEXC) and SDA (TWIC)."
},
{
"number": "11",
"name": "PC1",
"type": "bidirectional",
"description": "Port C pin 1 general purpose I/O with SYNC interrupt, alternate functions OC0B, OC0AHS, XCK0 (USARTC0) and SCL (TWIC)."
},
{
"number": "12",
"name": "PC2",
"type": "bidirectional",
"description": "Port C pin 2 general purpose I/O with SYNC/ASYNC interrupt, alternate functions OC0C, OC0BLS and RXD0 (USARTC0)."
},
{
"number": "13",
"name": "PC3",
"type": "bidirectional",
"description": "Port C pin 3 general purpose I/O with SYNC interrupt, alternate functions OC0D, OC0BHS and TXD0 (USARTC0)."
},
{
"number": "14",
"name": "PC4",
"type": "bidirectional",
"description": "Port C pin 4 general purpose I/O with SYNC interrupt, alternate functions OC0CLS, OC1A, SS (SPIC) and RTCOUT."
},
{
"number": "15",
"name": "PC5",
"type": "bidirectional",
"description": "Port C pin 5 general purpose I/O with SYNC interrupt, alternate functions OC0CHS, OC1B, XCK1 and MOSI (SPIC)."
},
{
"number": "16",
"name": "PC6",
"type": "bidirectional",
"description": "Port C pin 6 general purpose I/O with SYNC interrupt, alternate functions OC0DLS, RXD1 (USARTC1), MISO (SPIC) and clkRTC."
},
{
"number": "17",
"name": "PC7",
"type": "bidirectional",
"description": "Port C pin 7 general purpose I/O with SYNC interrupt, alternate functions OC0DHS, TXD1 (USARTC1), SCK (SPIC), clkPER and EVOUT."
},
{
"number": "18",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "19",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage (1.6 - 3.6V device operating range)."
},
{
"number": "20",
"name": "PD0",
"type": "bidirectional",
"description": "Port D pin 0 general purpose I/O with SYNC interrupt, alternate function OC0A (TCD0)."
},
{
"number": "21",
"name": "PD1",
"type": "bidirectional",
"description": "Port D pin 1 general purpose I/O with SYNC interrupt, alternate functions OC0B (TCD0) and XCK0 (USARTD0)."
},
{
"number": "22",
"name": "PD2",
"type": "bidirectional",
"description": "Port D pin 2 general purpose I/O with SYNC/ASYNC interrupt, alternate functions OC0C (TCD0) and RXD0 (USARTD0)."
},
{
"number": "23",
"name": "PD3",
"type": "bidirectional",
"description": "Port D pin 3 general purpose I/O with SYNC interrupt, alternate functions OC0D (TCD0) and TXD0 (USARTD0)."
},
{
"number": "24",
"name": "PD4",
"type": "bidirectional",
"description": "Port D pin 4 general purpose I/O with SYNC interrupt, alternate function SS (SPID)."
},
{
"number": "25",
"name": "PD5",
"type": "bidirectional",
"description": "Port D pin 5 general purpose I/O with SYNC interrupt, alternate function MOSI (SPID)."
},
{
"number": "26",
"name": "PD6",
"type": "bidirectional",
"description": "Port D pin 6 general purpose I/O with SYNC interrupt, alternate functions MISO (SPID) and USB D-."
},
{
"number": "27",
"name": "PD7",
"type": "bidirectional",
"description": "Port D pin 7 general purpose I/O with SYNC interrupt, alternate functions SCK (SPID), USB D+, ClkPER and EVOUT."
},
{
"number": "28",
"name": "PE0",
"type": "bidirectional",
"description": "Port E pin 0 general purpose I/O with SYNC interrupt, alternate functions OC0A (TCE0) and SDA (TWIE)."
},
{
"number": "29",
"name": "PE1",
"type": "bidirectional",
"description": "Port E pin 1 general purpose I/O with SYNC interrupt, alternate functions OC0B (TCE0) and SCL (TWIE)."
},
{
"number": "30",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "31",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage (1.6 - 3.6V device operating range)."
},
{
"number": "32",
"name": "PE2",
"type": "bidirectional",
"description": "Port E pin 2 general purpose I/O with SYNC/ASYNC interrupt, alternate functions OC0C (TCE0) and TOSC2."
},
{
"number": "33",
"name": "PE3",
"type": "bidirectional",
"description": "Port E pin 3 general purpose I/O with SYNC interrupt, alternate functions OC0D (TCE0) and TOSC1."
},
{
"number": "34",
"name": "PDI",
"type": "bidirectional",
"description": "Program and Debug Interface data pin (PDI_DATA)."
},
{
"number": "35",
"name": "RESET",
"type": "input",
"description": "Reset pin, also used as the Program and Debug Interface clock input (PDI_CLK)."
},
{
"number": "36",
"name": "PR0",
"type": "bidirectional",
"description": "Port R pin 0 general purpose I/O with SYNC interrupt, alternate functions TOSC2 and XTAL2."
},
{
"number": "37",
"name": "PR1",
"type": "bidirectional",
"description": "Port R pin 1 general purpose I/O with SYNC interrupt, alternate functions TOSC1 and XTAL1."
},
{
"number": "38",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "39",
"name": "AVCC",
"type": "power_in",
"description": "Analog supply voltage."
},
{
"number": "40",
"name": "PA0",
"type": "bidirectional",
"description": "Port A pin 0 general purpose I/O with SYNC interrupt, alternate functions ADC0, AC0 and AREFA (analog reference input)."
},
{
"number": "41",
"name": "PA1",
"type": "bidirectional",
"description": "Port A pin 1 general purpose I/O with SYNC interrupt, alternate functions ADC1 and AC1."
},
{
"number": "42",
"name": "PA2",
"type": "bidirectional",
"description": "Port A pin 2 general purpose I/O with SYNC/ASYNC interrupt, alternate functions ADC2 and AC2."
},
{
"number": "43",
"name": "PA3",
"type": "bidirectional",
"description": "Port A pin 3 general purpose I/O with SYNC interrupt, alternate functions ADC3 and AC3."
},
{
"number": "44",
"name": "PA4",
"type": "bidirectional",
"description": "Port A pin 4 general purpose I/O with SYNC interrupt, alternate functions ADC4 and AC4."
},
{
"number": "45",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
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"primary_model": "claude-sonnet-5-5",
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"guards": "pin_guards 0.1: passed",
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"1/45 pins cited to the wrong page (name found elsewhere): ['36:PR0@p54']"
],
"pages_sent": 39,
"cost_usd": 0.2201,
"at": "2026-11-09T05:55:39"
},
"datasheet": {
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"pages": 190,
"sha256": "a9165d75787eeebc",
"source_tier": "mfr"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 45,
"described": 45,
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"refuses_to_fabricate": true
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"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "e095902326bdaee7dcc9926c9d1613852bfa37bad68a82560157ca7fe509925a",
"checked": "2026-11-09",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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"role": "eda",
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},
"title": "ATXMEGA32C4-MH",
"brief": "Microchip Tech Pre-ordered MCUs, VQFN-44-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "VQFN-44-EP(7x7)",
"Category": "Embedded Processors & Controllers",
"Pins": "45"
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"characteristics": {
"version": 1,
"source": "datasheet",
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"rows": [
{
"name": "Power supply voltage",
"symbol": "VCC",
"kind": "absolute_maximum",
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"min": -0.3,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 84,
"source": "datasheet"
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{
"name": "Current into a VCC pin",
"symbol": "IVCC",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
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"source_page": 84,
"source": "datasheet"
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{
"name": "Current out of a GND pin",
"symbol": "IGND",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
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"max": 200,
"conditions": "",
"source_page": 84,
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{
"name": "Pin voltage with respect to GND and VCC",
"symbol": "VPIN",
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"min": -0.5,
"typ": null,
"max": null,
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"source_page": 84,
"source": "datasheet"
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{
"name": "I/O pin sink/source current",
"symbol": "IPIN",
"kind": "absolute_maximum",
"unit": "mA",
"min": -25,
"typ": null,
"max": 25,
"conditions": "",
"source_page": 84,
"source": "datasheet"
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{
"name": "Storage temperature",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 84,
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{
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"symbol": "Tj",
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"unit": "°C",
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{
"name": "Power supply voltage",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 1.6,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 84,
"source": "datasheet"
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{
"name": "Analog supply voltage",
"symbol": "AVCC",
"kind": "recommended_operating",
"unit": "V",
"min": 1.6,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 84,
"source": "datasheet"
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{
"name": "Temperature range",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 84,
"source": "datasheet"
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{
"name": "Junction temperature",
"symbol": "Tj",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 105,
"conditions": "",
"source_page": 84,
"source": "datasheet"
},
{
"name": "CPU clock frequency",
"symbol": "ClkCPU",
"kind": "recommended_operating",
"unit": "MHz",
"min": 0,
"typ": null,
"max": 12,
"conditions": "VCC = 1.6V",
"source_page": 84,
"source": "datasheet"
},
{
"name": "CPU clock frequency",
"symbol": "ClkCPU",
"kind": "recommended_operating",
"unit": "MHz",
"min": 0,
"typ": null,
"max": 32,
"conditions": "VCC = 2.7V",
"source_page": 84,
"source": "datasheet"
},
{
"name": "I/O pin source/sink current",
"symbol": "IOH/IOL",
"kind": "electrical",
"unit": "mA",
"min": -20,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 89,
"source": "datasheet"
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{
"name": "Low level input voltage",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "VCC = 2.4 - 3.6V",
"source_page": 89,
"source": "datasheet"
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{
"name": "Input leakage current I/O pin",
"symbol": "IIN",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "T = 25°C",
"source_page": 89,
"source": "datasheet"
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{
"name": "Pull/buss keeper resistor",
"symbol": "RP",
"kind": "electrical",
"unit": "k",
"min": null,
"typ": 25,
"max": null,
"conditions": "",
"source_page": 89,
"source": "datasheet"
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{
"name": "BOD level 0 falling VCC",
"symbol": "VBOT",
"kind": "electrical",
"unit": "V",
"min": 1.5,
"typ": 1.62,
"max": 1.75,
"conditions": "BOD level 0 falling VCC",
"source_page": 93,
"source": "datasheet"
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{
"name": "Factory calibration accuracy 32.768kHz internal oscillator",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -0.5,
"typ": null,
"max": 0.5,
"conditions": "T = 85C, VCC = 3.0V",
"source_page": 95,
"source": "datasheet"
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{
"name": "User calibration accuracy 32.768kHz internal oscillator",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -0.5,
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"max": 0.5,
"conditions": "",
"source_page": 95,
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{
"name": "Frequency range 2MHz internal oscillator",
"symbol": "",
"kind": "electrical",
"unit": "MHz",
"min": 1.8,
"typ": null,
"max": 2.2,
"conditions": "DFLL can tune to this frequency over voltage and temperature",
"source_page": 95,
"source": "datasheet"
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{
"name": "Factory calibration accuracy 2MHz internal oscillator",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -1.5,
"typ": null,
"max": 1.5,
"conditions": "T = 85C, VCC= 3.0V",
"source_page": 95,
"source": "datasheet"
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{
"name": "User calibration accuracy 2MHz internal oscillator",
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"kind": "tolerance",
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"min": -0.2,
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"max": 0.2,
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{
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"name": "Input offset voltage",
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