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ATMEGA324PA-AUR

Public Made by Adom

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

componentsingle chip microcomputer-microcontrolleratmega324pa-aurfactory-2.0.0extractor-text

Verified ATMEGA324PA-AUR

by Ray · last 13 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

13 Nov 2026RayPublished by the parts factory: tier mfr, 44 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • •array (skip): not an array of element pairs
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ATMEGA324PA-AUR · TQFP-44(10x10) · 44 pins
  • ✓copper: 44 copper pads, none touching another net
  • ✓datasheet: all 44 pin names found in the 672-page datasheet
  • ✓distributor: lcsc C2053245, digikey ATMEGA324PA-AURTR-ND, mouser 556-ATMEGA324PA-AUR
  • ✓family: TQFP-44_10x10mm_P0.8mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-_vuxji2a/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • ✓package_fit: height and body within the datasheet's package drawing (datasheet p.653)
  • ✓pads: 44 pins = 44 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 44 pins agree
  • ✓symbol_text: no pin names collide
  • ✓viewers: viewers/footprint.html 56 kB, viewers/symbol.html 30 kB
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ atmega324pa-aur.kicad_sym✓ atmega324pa-aur.kicad_mod✓ atmega324pa-aur.step
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ATMEGA324PA-AUR

Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · TQFP-44(10x10)

ATMEGA324PA-AUR 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 bi-directional I/O with internal pull-up; alternate functions MOSI, ICP3, PCINT13.
2 PB6 bidirectional Port B bit 6 bi-directional I/O with internal pull-up; alternate functions MISO, OC3A, PCINT14.
3 PB7 bidirectional Port B bit 7 bi-directional I/O with internal pull-up; alternate functions SCK, OC3B, PCINT15.
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 bi-directional I/O with internal pull-up; alternate functions RXD0, PCINT24 (T3 only on ATmega1284/1284P).
10 PD1 bidirectional Port D bit 1 bi-directional I/O with internal pull-up; alternate functions TXD0, PCINT25.
11 PD2 bidirectional Port D bit 2 bi-directional I/O with internal pull-up; alternate functions RXD1, INT0, PCINT26.
12 PD3 bidirectional Port D bit 3 bi-directional I/O with internal pull-up; alternate functions TXD1, INT1, PCINT27.
13 PD4 bidirectional Port D bit 4 bi-directional I/O with internal pull-up; alternate functions XCK1, OC1B, PCINT28.
14 PD5 bidirectional Port D bit 5 bi-directional I/O with internal pull-up; alternate functions OC1A, PCINT29.
15 PD6 bidirectional Port D bit 6 bi-directional I/O with internal pull-up; alternate functions OC2B, ICP1, PCINT30.
16 PD7 bidirectional Port D bit 7 bi-directional I/O with internal pull-up; alternate functions OC2A, PCINT31.
17 VCC power_in Digital supply voltage.
18 GND power_in Ground.
19 PC0 bidirectional Port C bit 0 bi-directional I/O with internal pull-up; alternate functions SCL, PCINT16.
20 PC1 bidirectional Port C bit 1 bi-directional I/O with internal pull-up; alternate functions SDA, PCINT17.
21 PC2 bidirectional Port C bit 2 bi-directional I/O with internal pull-up; alternate functions TCK (JTAG), PCINT18.
22 PC3 bidirectional Port C bit 3 bi-directional I/O with internal pull-up; alternate functions TMS (JTAG), PCINT19.
23 PC4 bidirectional Port C bit 4 bi-directional I/O with internal pull-up; alternate functions TDO (JTAG), PCINT20.
24 PC5 bidirectional Port C bit 5 bi-directional I/O with internal pull-up; alternate functions TDI (JTAG), PCINT21.
25 PC6 bidirectional Port C bit 6 bi-directional I/O with internal pull-up; alternate functions TOSC1, PCINT22.
26 PC7 bidirectional Port C bit 7 bi-directional I/O with internal pull-up; alternate functions TOSC2, PCINT23.
27 AVCC power_in 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.
28 GND power_in Ground.
29 AREF input Analog reference pin for the analog-to-digital converter.
30 PA7 bidirectional Port A bit 7 bi-directional I/O with internal pull-up; ADC7 analog input, PCINT7.
31 PA6 bidirectional Port A bit 6 bi-directional I/O with internal pull-up; ADC6 analog input, PCINT6.
32 PA5 bidirectional Port A bit 5 bi-directional I/O with internal pull-up; ADC5 analog input, PCINT5.
33 PA4 bidirectional Port A bit 4 bi-directional I/O with internal pull-up; ADC4 analog input, PCINT4.
34 PA3 bidirectional Port A bit 3 bi-directional I/O with internal pull-up; ADC3 analog input, PCINT3.
35 PA2 bidirectional Port A bit 2 bi-directional I/O with internal pull-up; ADC2 analog input, PCINT2.
36 PA1 bidirectional Port A bit 1 bi-directional I/O with internal pull-up; ADC1 analog input, PCINT1.
37 PA0 bidirectional Port A bit 0 bi-directional I/O with internal pull-up; ADC0 analog input, PCINT0.
38 VCC power_in Digital supply voltage.
39 GND power_in Ground.
40 PB0 bidirectional Port B bit 0 bi-directional I/O with internal pull-up; alternate functions T0, XCK0, PCINT8.
41 PB1 bidirectional Port B bit 1 bi-directional I/O with internal pull-up; alternate functions T1, CLKO, PCINT9.
42 PB2 bidirectional Port B bit 2 bi-directional I/O with internal pull-up; alternate functions AIN0, INT2, PCINT10.
43 PB3 bidirectional Port B bit 3 bi-directional I/O with internal pull-up; alternate functions AIN1, OC0A, PCINT11.
44 PB4 bidirectional Port B bit 4 bi-directional I/O with internal pull-up; alternate functions SS, OC0B, PCINT12.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TQFP-44(10x10)
Category Single Chip Microcomputer/Microcontroller
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
Input Low Voltage, except XTAL1 and RESET pin VIL -0.5 V VCC = 1.8V - 2.4V 326
Input Low Voltage, XTAL1 pin VIL1 -0.5 V VCC = 1.8V - 5.5V 326
Input Low Voltage, RESET pin VIL2 -0.5 V VCC = 1.8V - 5.5V 326
Output Low Voltage VOL 0.9 V IOL = 20mA, VCC = 5V 326
Output Low Voltage VOL 0.6 V IOL = 10mA, VCC = 3V 326
Output High Voltage VOH 4.2 V IOH = -20mA, VCC = 5V 326
Output High Voltage VOH 2.3 V IOH = -10mA, VCC = 3V 326
Input Leakage Current I/O Pin (pin low) IIL 1 µA VCC = 5.5V, pin low (absolute value) 326
Input Leakage Current I/O Pin (pin high) IIH 1 µA VCC = 5.5V, pin high (absolute value) 326
Reset Pull-up Resistor RRST 30 60 kΩ 326
I/O Pin Pull-up Resistor RPU 20 50 kΩ 326
Analog Comparator Input Offset Voltage VACIO 40 mV VCC = 5V, Vin = VCC/2 326
Analog Comparator Input Offset Voltage VACIO 60 mV VCC < 3.6V, Vin < 0.5V 327
Analog Comparator Input Offset Voltage VACIO 500 mV VCC > 3.6V, Vin < 0.5V 327
Analog Comparator Input Leakage Current IACLK -50 50 nA VCC = 5V, Vin = VCC/2 327
Analog Comparator Propagation Delay tACID 750 ns VCC = 2.7V 327
Analog Comparator Propagation Delay tACID 500 ns VCC = 4.0V 327
Power Supply Current, Active mode ICC 0.3 0.5 mA Active 1MHz, VCC = 2V 329
Power Supply Current, Active mode ICC 1.5 2.7 mA Active 4MHz, VCC = 3V 329
Power Supply Current, Active mode ICC 5.2 9 mA Active 8MHz, VCC = 5V 329
Power Supply Current, Idle mode ICC 0.06 0.15 mA Idle 1MHz, VCC = 2V 329
Power Supply Current, Idle mode ICC 0.35 0.7 mA Idle 4MHz, VCC = 3V 329
Power Supply Current, Idle mode ICC 1.3 5 mA Idle 8MHz, VCC = 5V 329
Power Supply Current, Power-down mode ICC 4.2 8 µA Power-down mode, WDT enabled, VCC = 3V 329
Power Supply Current, Power-down mode ICC 0.15 2 µA Power-down mode, WDT disabled, VCC = 3V 329
Power Supply Current, Power-save mode ICC 0.5 µA Power-save mode, 32kHz TOSC enabled, VCC = 1.8V 329
Power Supply Current, Power-save mode ICC 0.6 µA Power-save mode, 32kHz TOSC enabled, VCC = 3V 329
Operating temperature -55 125 °C 326
Storage temperature -65 150 °C 326
Voltage on any pin except RESET with respect to ground -0.5 V with respect to ground 326
Voltage on RESET with respect to ground -0.5 13 V with respect to ground 326
DC current per I/O pin 40 mA 326
Power supply voltage VCC 1.8 5.5 V Power supply for ATmega324PA-AU(R) ordering code 647
Operating temperature (Industrial) -40 85 °C Industrial operational range, ATmega324PA-AU(R) 647
Speed grade 20 MHz Power supply 1.8 - 5.5V, ordering code speed 647

CAD (KiCad official)

  • Symbol: ATMEGA324PA-AUR
  • Footprint: Package_QFP:TQFP-44_10x10mm_P0.8mm
  • 3D model: TQFP-44(10x10) (KiCad packages3D, STEP)
  • 3D model files: atmega324pa-aur-etched.step / atmega324pa-aur-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atmega324pa-aur.step / atmega324pa-aur.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (672 pp, sha256 b5ee49362803dc70, retrieved 2026-11-13, 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