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ATMEGA644V-10AU

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Microchip Tech Pre-ordered MCUs, TQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentembedded processors & controllersatmega644v-10aufactory-2.0.0extractor-text

Verified ATMEGA644V-10AU

by Ray · last 30 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier mfr, 44 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ATMEGA644V-10AU · TQFP-44(10x10) · 44 pins
  • ✓copper: 44 copper pads, none touching another net
  • ✓datasheet: all 44 pin names found in the 23-page datasheet
  • ✓distributor: lcsc C1339284, digikey ATMEGA644V-10AU-ND, mouser 556-ATMEGA644V10AU
  • ✓family: TQFP-44_10x10mm_P0.8mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-t3kyjbvh/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 44 pins = 44 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 44 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ atmega644v-10au.kicad_sym✓ atmega644v-10au.kicad_mod✓ atmega644v-10au.step
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 5d ago
viewers atmega644v-10au: viewers · Ray 5d ago
atmega644v-10au-etched.glb Publish 0.1.0 · Ray 5d ago
atmega644v-10au-etched.step atmega644v-10au: factory component page (tier=mfr) · Ray 5d ago
atmega644v-10au-hero.glb atmega644v-10au: hero GLB from the etched model (keeps the MPN mark) · Ray 5d ago
atmega644v-10au-hero.overlay.json Publish 0.1.0 · Ray 5d ago
atmega644v-10au.glb Publish 0.1.0 · Ray 5d ago
atmega644v-10au.kicad_mod Publish 0.1.0 · Ray 5d ago
atmega644v-10au.kicad_sym Publish 0.1.0 · Ray 5d ago
atmega644v-10au.lbr Publish 0.1.0 · Ray 5d ago
atmega644v-10au.step Publish 0.1.0 · Ray 5d ago
package.json Publish 0.1.0 · Ray 5d ago
page.json Set visibility: public · Ray 5d ago
README.md Publish 0.1.0 · Ray 5d ago
verification.json Verified: Published by the parts factory: tier mfr, 44 pins · Ray 5d ago

ATMEGA644V-10AU

Microchip Tech · Pre-ordered MCUs · TQFP-44(10x10)

ATMEGA644V-10AU from Microchip Tech, in a TQFP-44(10x10). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 PB5 bidirectional Port B bit 5 bidirectional I/O with internal pull-up, alternate functions PCINT13 and MOSI.
2 PB6 bidirectional Port B bit 6 bidirectional I/O with internal pull-up, alternate functions PCINT14 and MISO.
3 PB7 bidirectional Port B bit 7 bidirectional I/O with internal pull-up, alternate functions PCINT15 and SCK.
4 RESET input Reset input; a low level longer than the minimum pulse length generates a reset even if the clock is not running.
5 VCC power_in Digital supply voltage.
6 GND power_in Ground.
7 XTAL2 output Output from the inverting oscillator amplifier.
8 XTAL1 input Input to the inverting oscillator amplifier and input to the internal clock operating circuit.
9 PD0 bidirectional Port D bit 0 bidirectional I/O with internal pull-up, alternate functions PCINT24 and RXD0.
10 PD1 bidirectional Port D bit 1 bidirectional I/O with internal pull-up, alternate functions PCINT25 and TXD0.
11 PD2 bidirectional Port D bit 2 bidirectional I/O with internal pull-up, alternate functions PCINT26 and INT0.
12 PD3 bidirectional Port D bit 3 bidirectional I/O with internal pull-up, alternate functions PCINT27 and INT1.
13 PD4 bidirectional Port D bit 4 bidirectional I/O with internal pull-up, alternate functions PCINT28 and OC1B.
14 PD5 bidirectional Port D bit 5 bidirectional I/O with internal pull-up, alternate functions PCINT29 and OC1A.
15 PD6 bidirectional Port D bit 6 bidirectional I/O with internal pull-up, alternate functions PCINT30, OC2B and ICP.
16 PD7 bidirectional Port D bit 7 bidirectional I/O with internal pull-up, alternate functions PCINT31 and OC2A.
17 VCC power_in Digital supply voltage.
18 GND power_in Ground.
19 PC0 bidirectional Port C bit 0 bidirectional I/O with internal pull-up, alternate functions PCINT16 and SCL.
20 PC1 bidirectional Port C bit 1 bidirectional I/O with internal pull-up, alternate functions PCINT17 and SDA.
21 PC2 bidirectional Port C bit 2 bidirectional I/O with internal pull-up, alternate functions PCINT18 and JTAG TCK.
22 PC3 bidirectional Port C bit 3 bidirectional I/O with internal pull-up, alternate functions PCINT19 and JTAG TMS.
23 PC4 bidirectional Port C bit 4 bidirectional I/O with internal pull-up, alternate functions PCINT20 and JTAG TDO.
24 PC5 bidirectional Port C bit 5 bidirectional I/O with internal pull-up, alternate functions PCINT21 and JTAG TDI.
25 PC6 bidirectional Port C bit 6 bidirectional I/O with internal pull-up, alternate functions PCINT22 and TOSC1.
26 PC7 bidirectional Port C bit 7 bidirectional I/O with internal pull-up, alternate functions PCINT23 and TOSC2.
27 AVCC power_in Supply voltage for the ADC; should be connected to VCC even if the ADC is not used, through a low-pass filter if the ADC is used.
28 GND power_in Ground.
29 AREF input Analog reference pin for the analog-to-digital converter.
30 PA7 bidirectional Port A bit 7 bidirectional I/O with internal pull-up, ADC7 analog input and PCINT7.
31 PA6 bidirectional Port A bit 6 bidirectional I/O with internal pull-up, ADC6 analog input and PCINT6.
32 PA5 bidirectional Port A bit 5 bidirectional I/O with internal pull-up, ADC5 analog input and PCINT5.
33 PA4 bidirectional Port A bit 4 bidirectional I/O with internal pull-up, ADC4 analog input and PCINT4.
34 PA3 bidirectional Port A bit 3 bidirectional I/O with internal pull-up, ADC3 analog input and PCINT3.
35 PA2 bidirectional Port A bit 2 bidirectional I/O with internal pull-up, ADC2 analog input and PCINT2.
36 PA1 bidirectional Port A bit 1 bidirectional I/O with internal pull-up, ADC1 analog input and PCINT1.
37 PA0 bidirectional Port A bit 0 bidirectional I/O with internal pull-up, ADC0 analog input and PCINT0.
38 VCC power_in Digital supply voltage.
39 GND power_in Ground.
40 PB0 bidirectional Port B bit 0 bidirectional I/O with internal pull-up, alternate functions PCINT8, XCK0 and T0.
41 PB1 bidirectional Port B bit 1 bidirectional I/O with internal pull-up, alternate functions PCINT9, CLKO and T1.
42 PB2 bidirectional Port B bit 2 bidirectional I/O with internal pull-up, alternate functions PCINT10, INT2 and AIN0.
43 PB3 bidirectional Port B bit 3 bidirectional I/O with internal pull-up, alternate functions PCINT11, OC0A and AIN1.
44 PB4 bidirectional Port B bit 4 bidirectional I/O with internal pull-up, alternate functions PCINT12, OC0B and SS.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TQFP-44(10x10)
Category Embedded Processors & Controllers
Pins 44

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage (ATmega644V-10AU speed grade, 10 MHz) VCC 1.8 5.5 V Ordering code ATmega644V-10AU, power supply 1.8V - 5.5V 15
Clock frequency, ATmega644V speed grade 0 10 MHz 0 - 10MHz @ 2.7V - 5.5V 1
Clock frequency, ATmega644V speed grade 0 4 MHz 0 - 4MHz @ 1.8V - 5.5V 1
Operating temperature (industrial) -40 85 °C Industrial operational range 15
Flash write/erase endurance 10000 cycles Worst case temperature; guaranteed after last write cycle (note 1) 1
EEPROM write/erase endurance 100000 cycles Worst case temperature; guaranteed after last write cycle (note 1) 1
Data retention 20 years At 85°C 1
Data retention 100 years At 25°C 1

CAD (KiCad official)

  • Symbol: ATMEGA644V-10AU
  • Footprint: Package_QFP:TQFP-44_10x10mm_P0.8mm
  • 3D model: TQFP-44(10x10) (KiCad packages3D, STEP)
  • 3D model files: atmega644v-10au-etched.step / atmega644v-10au-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atmega644v-10au.step / atmega644v-10au.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Microchip Tech datasheet (23 pp, sha256 40180a4e63a7d4d8, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF