component
ATMEGA644PV-10MUR
Public Made by Adomby adom
Microchip Tech , VQFN-44(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803
{
"schema_version": 1,
"type": "component",
"slug": "atmega644pv-10mur",
"title": "ATMEGA644PV-10MUR",
"brief": "Microchip Tech , VQFN-44(7x7). 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",
"ic",
"atmega644pv-10mur",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ATMEGA644PV-10MUR",
"manufacturer": "Microchip Tech",
"package": "VQFN-44(7x7)",
"pin_count": 45,
"category": "IC",
"subcategory": "IC",
"datasheet": "https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/ATmega164P-324P-644P-Data-Sheet-40002071A.pdf",
"parts": {
"symbol": "atmega644pv-10mur.kicad_sym",
"footprint": "atmega644pv-10mur.kicad_mod",
"model_3d": "atmega644pv-10mur-hero.glb",
"model_3d_plain": "atmega644pv-10mur-etched.glb",
"model_3d_step": "atmega644pv-10mur-etched.step",
"model_3d_step_plain": "atmega644pv-10mur.step",
"lbr": "atmega644pv-10mur.lbr"
},
"distributor_links": {
"lcsc": "C49241736",
"digikey": "ATMEGA644PV-10MURTR-ND",
"mouser": "556-ATMEGA644PV10MUR"
},
"distributor_check": {
"checked_at": "2026-10-31T03:09:43Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATMEGA644PV-10MURTR-ND",
"status": "found"
},
"mouser": {
"pn": "556-ATMEGA644PV10MUR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PB5",
"type": "bidirectional",
"description": "Port B bit 5 bi-directional I/O with internal pull-up, alternate functions MOSI (SPI) and PCINT13."
},
{
"number": "2",
"name": "PB6",
"type": "bidirectional",
"description": "Port B bit 6 bi-directional I/O with internal pull-up, alternate functions MISO (SPI) and PCINT14."
},
{
"number": "3",
"name": "PB7",
"type": "bidirectional",
"description": "Port B bit 7 bi-directional I/O with internal pull-up, alternate functions SCK (SPI) and PCINT15."
},
{
"number": "4",
"name": "RESET",
"type": "input",
"description": "Active-low 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 bi-directional I/O with internal pull-up, alternate functions RXD0 (USART0 receive) and PCINT24."
},
{
"number": "10",
"name": "PD1",
"type": "bidirectional",
"description": "Port D bit 1 bi-directional I/O with internal pull-up, alternate functions TXD0 (USART0 transmit) and PCINT25."
},
{
"number": "11",
"name": "PD2",
"type": "bidirectional",
"description": "Port D bit 2 bi-directional I/O with internal pull-up, alternate functions RXD1 (USART1 receive), INT0 and PCINT26."
},
{
"number": "12",
"name": "PD3",
"type": "bidirectional",
"description": "Port D bit 3 bi-directional I/O with internal pull-up, alternate functions TXD1 (USART1 transmit), INT1 and PCINT27."
},
{
"number": "13",
"name": "PD4",
"type": "bidirectional",
"description": "Port D bit 4 bi-directional I/O with internal pull-up, alternate functions XCK1 (USART1 external clock), OC1B and PCINT28."
},
{
"number": "14",
"name": "PD5",
"type": "bidirectional",
"description": "Port D bit 5 bi-directional I/O with internal pull-up, alternate functions OC1A (Timer/Counter1 output compare A) and PCINT29."
},
{
"number": "15",
"name": "PD6",
"type": "bidirectional",
"description": "Port D bit 6 bi-directional I/O with internal pull-up, alternate functions OC2B, ICP1 (input capture) and PCINT30."
},
{
"number": "16",
"name": "PD7",
"type": "bidirectional",
"description": "Port D bit 7 bi-directional I/O with internal pull-up, alternate functions OC2A (Timer/Counter2 output compare A) and PCINT31."
},
{
"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 bi-directional I/O with internal pull-up, alternate functions SCL (2-wire serial clock) and PCINT16."
},
{
"number": "20",
"name": "PC1",
"type": "bidirectional",
"description": "Port C bit 1 bi-directional I/O with internal pull-up, alternate functions SDA (2-wire serial data) and PCINT17."
},
{
"number": "21",
"name": "PC2",
"type": "bidirectional",
"description": "Port C bit 2 bi-directional I/O with internal pull-up, alternate functions TCK (JTAG) and PCINT18."
},
{
"number": "22",
"name": "PC3",
"type": "bidirectional",
"description": "Port C bit 3 bi-directional I/O with internal pull-up, alternate functions TMS (JTAG) and PCINT19."
},
{
"number": "23",
"name": "PC4",
"type": "bidirectional",
"description": "Port C bit 4 bi-directional I/O with internal pull-up, alternate functions TDO (JTAG) and PCINT20."
},
{
"number": "24",
"name": "PC5",
"type": "bidirectional",
"description": "Port C bit 5 bi-directional I/O with internal pull-up, alternate functions TDI (JTAG) and PCINT21."
},
{
"number": "25",
"name": "PC6",
"type": "bidirectional",
"description": "Port C bit 6 bi-directional I/O with internal pull-up, alternate functions TOSC1 (timer oscillator) and PCINT22."
},
{
"number": "26",
"name": "PC7",
"type": "bidirectional",
"description": "Port C bit 7 bi-directional I/O with internal pull-up, alternate functions TOSC2 (timer oscillator) and PCINT23."
},
{
"number": "27",
"name": "AVCC",
"type": "power_in",
"description": "Supply voltage for Port A and the ADC; 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 analog-to-digital converter."
},
{
"number": "30",
"name": "PA7",
"type": "bidirectional",
"description": "Port A bit 7 bi-directional I/O with internal pull-up, alternate functions ADC7 analog input and PCINT7."
},
{
"number": "31",
"name": "PA6",
"type": "bidirectional",
"description": "Port A bit 6 bi-directional I/O with internal pull-up, alternate functions ADC6 analog input and PCINT6."
},
{
"number": "32",
"name": "PA5",
"type": "bidirectional",
"description": "Port A bit 5 bi-directional I/O with internal pull-up, alternate functions ADC5 analog input and PCINT5."
},
{
"number": "33",
"name": "PA4",
"type": "bidirectional",
"description": "Port A bit 4 bi-directional I/O with internal pull-up, alternate functions ADC4 analog input and PCINT4."
},
{
"number": "34",
"name": "PA3",
"type": "bidirectional",
"description": "Port A bit 3 bi-directional I/O with internal pull-up, alternate functions ADC3 analog input and PCINT3."
},
{
"number": "35",
"name": "PA2",
"type": "bidirectional",
"description": "Port A bit 2 bi-directional I/O with internal pull-up, alternate functions ADC2 analog input and PCINT2."
},
{
"number": "36",
"name": "PA1",
"type": "bidirectional",
"description": "Port A bit 1 bi-directional I/O with internal pull-up, alternate functions ADC1 analog input and PCINT1."
},
{
"number": "37",
"name": "PA0",
"type": "bidirectional",
"description": "Port A bit 0 bi-directional I/O with internal pull-up, alternate functions ADC0 analog input and PCINT0."
},
{
"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 bi-directional I/O with internal pull-up, alternate functions T0, XCK0 (USART0 external clock) and PCINT8."
},
{
"number": "41",
"name": "PB1",
"type": "bidirectional",
"description": "Port B bit 1 bi-directional I/O with internal pull-up, alternate functions T1, CLKO (divided system clock output) and PCINT9."
},
{
"number": "42",
"name": "PB2",
"type": "bidirectional",
"description": "Port B bit 2 bi-directional I/O with internal pull-up, alternate functions AIN0 (comparator positive input), INT2 and PCINT10."
},
{
"number": "43",
"name": "PB3",
"type": "bidirectional",
"description": "Port B bit 3 bi-directional I/O with internal pull-up, alternate functions AIN1 (comparator negative input), OC0A and PCINT11."
},
{
"number": "44",
"name": "PB4",
"type": "bidirectional",
"description": "Port B bit 4 bi-directional I/O with internal pull-up, alternate functions SS (SPI slave select), OC0B and PCINT12."
},
{
"number": "45",
"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+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet says the large center pad under the VQFN/QFN/MLF package should be soldered to ground ; The pinout is a shared TQFP/VQFN/QFN/MLF drawing. The supplied packaging pages show only the 44A TQF; The datasheet does not state a pin type for AREF. It is listed as input because it is the ADC analog",
"exposed pad 45 added from the footprint",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 74,
"cost_usd": 0.9113,
"at": "2026-10-31T03:09:23"
},
"datasheet": {
"url": "https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/ATmega164P-324P-644P-Data-Sheet-40002071A.pdf",
"pages": 496,
"sha256": "5edda0efd505127f",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 45,
"described": 45,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "atmega644pv-10mur.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7,
7,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "e095902326bdaee7dcc9926c9d1613852bfa37bad68a82560157ca7fe509925a",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atmega644pv-10mur-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7,
7,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "8187c63dce918d40ceef13c7bb51c1f21690037e062dcb6c0ae8c3d39e4d0510",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "VQFN-44(7x7)",
"Category": "",
"Pins": "45"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "5edda0efd505127f69fe8abe999bc36c8c591ccef9699bb60496c6d086f5e9d2",
"rows": [
{
"name": "Output Low Voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.9,
"conditions": "IOL = 20 mA, VCC = 5V",
"source_page": 322,
"source": "datasheet"
},
{
"name": "Output Low Voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.6,
"conditions": "IOL = 10 mA, VCC = 3V",
"source_page": 322,
"source": "datasheet"
},
{
"name": "Output High Voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 4.2,
"typ": null,
"max": null,
"conditions": "IOH = -20 mA, VCC = 5V",
"source_page": 322,
"source": "datasheet"
},
{
"name": "Output High Voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 2.3,
"typ": null,
"max": null,
"conditions": "IOH = -10 mA, VCC = 3V",
"source_page": 322,
"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": 322,
"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": 322,
"source": "datasheet"
},
{
"name": "Reset Pull-up Resistor",
"symbol": "RRST",
"kind": "electrical",
"unit": "kΩ",
"min": 30,
"typ": null,
"max": 60,
"conditions": "",
"source_page": 322,
"source": "datasheet"
},
{
"name": "I/O Pin Pull-up Resistor",
"symbol": "RPU",
"kind": "electrical",
"unit": "kΩ",
"min": 20,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 322,
"source": "datasheet"
},
{
"name": "Analog Comparator Input Offset Voltage",
"symbol": "VACIO",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 40,
"conditions": "VCC = 5V, Vin = VCC/2",
"source_page": 323,
"source": "datasheet"
},
{
"name": "Analog Comparator Input Leakage Current",
"symbol": "IACLK",
"kind": "electrical",
"unit": "nA",
"min": -50,
"typ": null,
"max": 50,
"conditions": "VCC = 5V, Vin = VCC/2",
"source_page": 323,
"source": "datasheet"
},
{
"name": "Analog Comparator Propagation Delay",
"symbol": "tACID",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": null,
"max": 750,
"conditions": "VCC = 2.7V",
"source_page": 323,
"source": "datasheet"
},
{
"name": "Analog Comparator Propagation Delay",
"symbol": "tACID",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": null,
"max": 500,
"conditions": "VCC = 4.0V",
"source_page": 323,
"source": "datasheet"
},
{
"name": "Power Supply Current (Active)",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.41,
"max": 0.5,
"conditions": "Active 1 MHz, VCC = 2V",
"source_page": 325,
"source": "datasheet"
},
{
"name": "Power Supply Current (Active)",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2,
"max": 2.7,
"conditions": "Active 4 MHz, VCC = 3V",
"source_page": 325,
"source": "datasheet"
},
{
"name": "Power Supply Current (Active)",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 7.5,
"max": 9,
"conditions": "Active 8 MHz, VCC = 5V",
"source_page": 325,
"source": "datasheet"
},
{
"name": "Power Supply Current (Idle)",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.1,
"max": 0.15,
"conditions": "Idle 1 MHz, VCC = 2V",
"source_page": 325,
"source": "datasheet"
},
{
"name": "Power Supply Current (Idle)",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.5,
"max": 0.7,
"conditions": "Idle 4 MHz, VCC = 3V",
"source_page": 325,
"source": "datasheet"
},
{
"name": "Power Supply Current (Idle)",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.6,
"max": 4,
"conditions": "Idle 8 MHz, VCC = 5V",
"source_page": 325,
"source": "datasheet"
},
{
"name": "Power-down mode current",
"symbol": "ICC",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 8,
"conditions": "Power-down mode, WDT enabled, VCC = 3V",
"source_page": 325,
"source": "datasheet"
},
{
"name": "Power-down mode current",
"symbol": "ICC",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 2,
"conditions": "Power-down mode, WDT disabled, VCC = 3V",
"source_page": 325,
"source": "datasheet"
},
{
"name": "Power-save mode current",
"symbol": "ICC",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.5,
"max": null,
"conditions": "Power-save mode, 32 kHz TOSC enabled, VCC = 1.8V",
"source_page": 325,
"source": "datasheet"
},
{
"name": "Power-save mode current",
"symbol": "ICC",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.6,
"max": null,
"conditions": "Power-save mode, 32 kHz TOSC enabled, VCC = 3V",
"source_page": 325,
"source": "datasheet"
},
{
"name": "Operating Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 322,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 322,
"source": "datasheet"
},
{
"name": "Voltage on any pin except RESET with respect to Ground",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "with respect to Ground",
"source_page": 322,
"source": "datasheet"
},
{
"name": "Voltage on RESET with respect to Ground",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 13,
"conditions": "with respect to Ground",
"source_page": 322,
"source": "datasheet"
},
{
"name": "DC Current per I/O Pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 322,
"source": "datasheet"
},
{
"name": "Supply Voltage (VCC)",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 5.5,
"conditions": "TA = -40C to 85C (ATmega644PV-10MUR, Industrial)",
"source_page": 485,
"source": "datasheet"
},
{
"name": "Speed grade",
"symbol": "",
"kind": "recommended_operating",
"unit": "MHz",
"min": null,
"typ": null,
"max": 10,
"conditions": "ATmega644PV-10, Power Supply 1.8V - 5.5V, Industrial (-40C to 85C)",
"source_page": 485,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"atmega644pv-10mur"
],
"discovery_pitch": "ATMEGA644PV-10MUR (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"atmega644pv-10mur.kicad_sym",
"atmega644pv-10mur.kicad_mod",
"atmega644pv-10mur.glb",
"atmega644pv-10mur.step",
"atmega644pv-10mur.lbr",
"docs/hero.png",
"docs/atmega644pv-10mur-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"atmega644pv-10mur-hero.glb",
"atmega644pv-10mur-hero.overlay.json",
"atmega644pv-10mur-etched.glb"
],
"visibility": {
"public": true
}
}