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ATMEGA328P-ANR

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Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentembedded processors & controllersatmega328p-anrfactory-2.0.0extractor-text

Verified ATMEGA328P-ANR

by Ray · last 2 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

2 Nov 2026RayPublished by the parts factory: tier mfr, 32 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ATMEGA328P-ANR · TQFP-32(7x7) · 32 pins
  • ✓copper: 32 copper pads, none touching another net
  • ✓datasheet: all 32 pin names found in the 653-page datasheet
  • ✓distributor: lcsc C2651976, digikey ATMEGA328P-ANRTR-ND, mouser 556-ATMEGA328P-ANR
  • ✓family: TQFP-32_7x7mm_P0.8mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-wyveo9rq/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: 32 pins = 32 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 32 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ atmega328p-anr.kicad_sym✓ atmega328p-anr.kicad_mod✓ atmega328p-anr.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 2d ago
viewers atmega328p-anr: viewers · Ray 2d ago
atmega328p-anr-etched.glb Publish 0.1.0 · Ray 2d ago
atmega328p-anr-etched.step atmega328p-anr: factory component page (tier=mfr) · Ray 2d ago
atmega328p-anr-hero.glb atmega328p-anr: hero GLB from the etched model (keeps the MPN mark) · Ray 2d ago
atmega328p-anr-hero.overlay.json Publish 0.1.0 · Ray 2d ago
atmega328p-anr.glb Publish 0.1.0 · Ray 2d ago
atmega328p-anr.kicad_mod Publish 0.1.0 · Ray 2d ago
atmega328p-anr.kicad_sym Publish 0.1.0 · Ray 2d ago
atmega328p-anr.lbr Publish 0.1.0 · Ray 2d ago
atmega328p-anr.step Publish 0.1.0 · Ray 2d ago
package.json Publish 0.1.0 · Ray 2d ago
page.json Set visibility: public · Ray 2d ago
README.md Publish 0.1.0 · Ray 2d ago
verification.json Verified: Published by the parts factory: tier mfr, 32 pins · Ray 2d ago

ATMEGA328P-ANR

Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · TQFP-32(7x7)

ATMEGA328P-ANR from Microchip Tech, in a TQFP-32(7x7). 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 PD3 bidirectional Port D bit 3 with alternate functions INT1 (external interrupt 1 input), OC2B (Timer/Counter2 output compare B) and PCINT19 (pin change interrupt 19).
2 PD4 bidirectional Port D bit 4 with alternate functions XCK (USART external clock), T0 (Timer/Counter0 external counter input) and PCINT20 (pin change interrupt 20).
3 GND power_in Ground.
4 VCC power_in Digital supply voltage; operating range 1.8 to 5.5 V per the features list.
5 GND power_in Ground.
6 VCC power_in Digital supply voltage; operating range 1.8 to 5.5 V per the features list.
7 PB6 input Port B bit 6, used as XTAL1 (chip clock oscillator pin 1 or external clock input), TOSC1 or PCINT6 depending on fuse and ASSR settings.
8 PB7 output Port B bit 7, used as XTAL2 (chip clock oscillator pin 2), TOSC2 or PCINT7 depending on fuse and ASSR settings.
9 PD5 bidirectional Port D bit 5 with alternate functions T1 (Timer/Counter1 external counter input), OC0B (Timer/Counter0 output compare B) and PCINT21.
10 PD6 bidirectional Port D bit 6 with alternate functions AIN0 (analog comparator positive input), OC0A (Timer/Counter0 output compare A) and PCINT22.
11 PD7 bidirectional Port D bit 7 with alternate functions AIN1 (analog comparator negative input) and PCINT23.
12 PB0 bidirectional Port B bit 0 with alternate functions ICP1 (Timer/Counter1 input capture), CLKO (divided system clock output) and PCINT0.
13 PB1 bidirectional Port B bit 1 with alternate functions OC1A (Timer/Counter1 output compare A) and PCINT1.
14 PB2 bidirectional Port B bit 2 with alternate functions SS (SPI slave select), OC1B (Timer/Counter1 output compare B) and PCINT2.
15 PB3 bidirectional Port B bit 3 with alternate functions MOSI (SPI master output/slave input), OC2A (Timer/Counter2 output compare A) and PCINT3.
16 PB4 bidirectional Port B bit 4 with alternate functions MISO (SPI master input/slave output) and PCINT4.
17 PB5 bidirectional Port B bit 5 with alternate functions SCK (SPI clock) and PCINT5.
18 AVCC power_in Supply voltage pin for the A/D converter, PC3:0 and ADC7:6; it should be connected to VCC even if the ADC is not used.
19 ADC6 passive ADC input channel 6 in the TQFP package, powered from the analog supply.
20 AREF passive Analog reference pin for the A/D converter.
21 GND power_in Ground.
22 ADC7 passive ADC input channel 7 in the TQFP package, powered from the analog supply.
23 PC0 bidirectional Port C bit 0 with alternate functions ADC0 (ADC input channel 0, analog power) and PCINT8.
24 PC1 bidirectional Port C bit 1 with alternate functions ADC1 (ADC input channel 1, analog power) and PCINT9.
25 PC2 bidirectional Port C bit 2 with alternate functions ADC2 (ADC input channel 2, analog power) and PCINT10.
26 PC3 bidirectional Port C bit 3 with alternate functions ADC3 (ADC input channel 3, analog power) and PCINT11.
27 PC4 bidirectional Port C bit 4 with alternate functions SDA (2-wire serial data), ADC4 (ADC input channel 4, digital power) and PCINT12.
28 PC5 bidirectional Port C bit 5 with alternate functions SCL (2-wire serial clock), ADC5 (ADC input channel 5, digital power) and PCINT13.
29 PC6 input Port C bit 6 used as RESET input (active low) when the RSTDISBL fuse is unprogrammed, otherwise an I/O pin, with PCINT14 available.
30 PD0 bidirectional Port D bit 0 with alternate functions RXD (USART receive data input) and PCINT16.
31 PD1 bidirectional Port D bit 1 with alternate functions TXD (USART transmit data output) and PCINT17.
32 PD2 bidirectional Port D bit 2 with alternate functions INT0 (external interrupt 0 input) and PCINT18.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TQFP-32(7x7)
Category Embedded Processors & Controllers
Pins 32

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Operating Temperature -55 125 °C 308
Storage Temperature -65 150 °C 308
Voltage on any pin except RESET with respect to Ground -0.5 V max VCC+0.5V 308
Voltage on RESET with respect to Ground -0.5 13 V 308
DC Current per I/O Pin 40 mA 308
DC Current VCC and GND Pins 200 mA 308

CAD (KiCad official)

  • Symbol: ATMEGA328P-ANR
  • Footprint: Package_QFP:TQFP-32_7x7mm_P0.8mm
  • 3D model: TQFP-32(7x7) (KiCad packages3D, STEP)
  • 3D model files: atmega328p-anr-etched.step / atmega328p-anr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atmega328p-anr.step / atmega328p-anr.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (653 pp, sha256 b9b9d83cda56a95d, retrieved 2026-11-02, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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