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ATMEGA4809-AFR

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Microchip Tech ATMEL & AVR, TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentembedded processors & controllersatmega4809-afrfactory-2.0.0extractor-text

Verified ATMEGA4809-AFR

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, 48 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: ATMEGA4809-AFR · TQFP-48(7x7) · 48 pins
  • ✓copper: 48 copper pads, none touching another net
  • ✓datasheet: all 48 pin names found in the 560-page datasheet
  • ✓distributor: lcsc C189475, digikey ATMEGA4809-AFRTR-ND, mouser 556-ATMEGA4809-AFR
  • ✓family: TQFP-48_7x7mm_P0.5mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-o_n5r1by/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.540)
  • ✓pads: 48 pins = 48 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 48 pins agree
  • ✓symbol_text: no pin names collide
  • ✓viewers: viewers/footprint.html 59 kB, viewers/symbol.html 32 kB
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ atmega4809-afr.kicad_sym✓ atmega4809-afr.kicad_mod✓ atmega4809-afr.step
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Contents

README

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ATMEGA4809-AFR

Microchip Tech · ATMEL & AVR · TQFP-48(7x7)

ATMEGA4809-AFR from Microchip Tech, in a TQFP-48(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 PA5 bidirectional General-purpose I/O pin PA5 with alternate functions USART0 RxD (alternate position), SPI0 MISO and TCA0 WO5 (alternate position), and it can be used as an event input and external interrupt source.
2 PA6 bidirectional General-purpose I/O pin PA6 with alternate functions USART0 XCK (alternate position), SPI0 SCK and CCL LUT0-OUT (alternate position); PA6 supports full asynchronous pin-change detection.
3 PA7 bidirectional General-purpose I/O pin PA7 with alternate functions CLKOUT, AC0 OUT, USART0 XDIR (alternate position), SPI0 SS and EVSYS EVOUTA (alternate position).
4 PB0 bidirectional General-purpose I/O pin PB0 with alternate functions USART3 TxD and TCA0 WO0 (alternate position).
5 PB1 bidirectional General-purpose I/O pin PB1 with alternate functions USART3 RxD and TCA0 WO1 (alternate position).
6 PB2 bidirectional General-purpose I/O pin PB2 with alternate functions USART3 XCK, TCA0 WO2 (alternate position) and EVSYS EVOUTB.
7 PB3 bidirectional General-purpose I/O pin PB3 with alternate functions USART3 XDIR and TCA0 WO3 (alternate position).
8 PB4 bidirectional General-purpose I/O pin PB4 with alternate functions USART3 TxD (alternate position), TCA0 WO4 (alternate position) and TCB2 WO (alternate position).
9 PB5 bidirectional General-purpose I/O pin PB5 with alternate functions USART3 RxD (alternate position), TCA0 WO5 (alternate position) and TCB3 WO.
10 PC0 bidirectional General-purpose I/O pin PC0 with alternate functions USART1 TxD, SPI0 MOSI (alternate position), TCA0 WO0 (alternate position), TCB2 WO and CCL LUT1-IN0.
11 PC1 bidirectional General-purpose I/O pin PC1 with alternate functions USART1 RxD, SPI0 MISO (alternate position), TCA0 WO1 (alternate position), TCB3 WO (alternate position) and CCL LUT1-IN1.
12 PC2 bidirectional General-purpose I/O pin PC2 with alternate functions USART1 XCK, SPI0 SCK (alternate position), TWI0 SDA host (alternate position), TCA0 WO2 (alternate position), EVSYS EVOUTC and CCL LUT1-IN2.
13 PC3 bidirectional General-purpose I/O pin PC3 with alternate functions USART1 XDIR, SPI0 SS (alternate position), TWI0 SCL host (alternate position), TCA0 WO3 (alternate position) and CCL LUT1-OUT.
14 VDD power_in Digital supply pin; the device operating supply range is 1.8V to 5.5V per the ordering information.
15 GND power_in Ground reference pin for the digital supply domain.
16 PC4 bidirectional General-purpose I/O pin PC4 with alternate functions USART1 TxD (alternate position) and TCA0 WO4 (alternate position).
17 PC5 bidirectional General-purpose I/O pin PC5 with alternate functions USART1 RxD (alternate position) and TCA0 WO5 (alternate position).
18 PC6 bidirectional General-purpose I/O pin PC6 with alternate functions USART1 XCK (alternate position) and CCL LUT1-OUT (alternate position).
19 PC7 bidirectional General-purpose I/O pin PC7 with alternate functions USART1 XDIR (alternate position) and EVSYS EVOUTC (alternate position).
20 PD0 bidirectional General-purpose I/O pin PD0 with alternate functions ADC0 AIN0, TCA0 WO0 (alternate position) and CCL LUT2-IN0.
21 PD1 bidirectional General-purpose I/O pin PD1 with alternate functions ADC0 AIN1, AC0 P3 input, TCA0 WO1 (alternate position) and CCL LUT2-IN1.
22 PD2 bidirectional General-purpose I/O pin PD2 with alternate functions ADC0 AIN2, AC0 P0 input, TCA0 WO2 (alternate position), EVSYS EVOUTD and CCL LUT2-IN2.
23 PD3 bidirectional General-purpose I/O pin PD3 with alternate functions ADC0 AIN3, AC0 N0 input, TCA0 WO3 (alternate position) and CCL LUT2-OUT.
24 PD4 bidirectional General-purpose I/O pin PD4 with alternate functions ADC0 AIN4, AC0 P1 input and TCA0 WO4 (alternate position).
25 PD5 bidirectional General-purpose I/O pin PD5 with alternate functions ADC0 AIN5, AC0 N1 input and TCA0 WO5 (alternate position).
26 PD6 bidirectional General-purpose I/O pin PD6 with alternate functions ADC0 AIN6, AC0 P2 input and CCL LUT2-OUT (alternate position).
27 PD7 bidirectional General-purpose I/O pin PD7 with alternate functions VREFA (external voltage reference input), ADC0 AIN7, AC0 N2 input and EVSYS EVOUTD (alternate position).
28 AVDD power_in Analog supply pin powering the ADC and other analog peripherals.
29 GND power_in Ground reference pin for the device.
30 PE0 bidirectional General-purpose I/O pin PE0 with alternate functions ADC0 AIN8, SPI0 MOSI (alternate position) and TCA0 WO0 (alternate position).
31 PE1 bidirectional General-purpose I/O pin PE1 with alternate functions ADC0 AIN9, SPI0 MISO (alternate position) and TCA0 WO1 (alternate position).
32 PE2 bidirectional General-purpose I/O pin PE2 with alternate functions ADC0 AIN10, SPI0 SCK (alternate position), TCA0 WO2 (alternate position) and EVSYS EVOUTE.
33 PE3 bidirectional General-purpose I/O pin PE3 with alternate functions ADC0 AIN11, SPI0 SS (alternate position) and TCA0 WO3 (alternate position).
34 PF0 (TOSC1) bidirectional General-purpose I/O pin PF0 that is also the TOSC1 crystal oscillator connection, with alternate functions USART2 TxD, TCA0 WO0 (alternate position) and CCL LUT3-IN0.
35 PF1 (TOSC2) bidirectional General-purpose I/O pin PF1 that is also the TOSC2 crystal oscillator connection, with alternate functions USART2 RxD, TCA0 WO1 (alternate position) and CCL LUT3-IN1.
36 PF2 bidirectional General-purpose I/O pin PF2 with alternate functions TWI0 SDA client (alternate position), ADC0 AIN12, USART2 XCK, TCA0 WO2 (alternate position), EVSYS EVOUTF and CCL LUT3-IN2.
37 PF3 bidirectional General-purpose I/O pin PF3 with alternate functions ADC0 AIN13, USART2 XDIR, TWI0 SCL client (alternate position), TCA0 WO3 (alternate position) and CCL LUT3-OUT.
38 PF4 bidirectional General-purpose I/O pin PF4 with alternate functions ADC0 AIN14, USART2 TxD (alternate position), TCA0 WO4 (alternate position) and TCB0 WO (alternate position).
39 PF5 bidirectional General-purpose I/O pin PF5 with alternate functions ADC0 AIN15, USART2 RxD (alternate position), TCA0 WO5 (alternate position) and TCB1 WO (alternate position).
40 PF6 (RESET) bidirectional General-purpose I/O pin PF6 that serves as the external RESET pin when the RSTPINCFG fuse selects RESET, with alternate functions USART2 XCK (alternate position) and CCL LUT3-OUT (alternate position).
41 UPDI bidirectional Unified Program and Debug Interface pin used for programming and debugging the device.
42 VDD power_in Digital supply pin; the device operating supply range is 1.8V to 5.5V per the ordering information.
43 GND power_in Ground reference pin for the device.
44 PA0 (EXTCLK) bidirectional General-purpose I/O pin PA0 that is also the EXTCLK external clock input, with alternate functions USART0 TxD, TCA0 WO0 and CCL LUT0-IN0.
45 PA1 bidirectional General-purpose I/O pin PA1 with alternate functions USART0 RxD, TCA0 WO1 and CCL LUT0-IN1.
46 PA2 bidirectional General-purpose I/O pin PA2 with alternate functions USART0 XCK, TWI0 SDA host, TCA0 WO2, TCB0 WO, EVSYS EVOUTA and CCL LUT0-IN2; PA2 supports full asynchronous pin-change detection.
47 PA3 bidirectional General-purpose I/O pin PA3 with alternate functions USART0 XDIR, TWI0 SCL host, TCA0 WO3, TCB1 WO and CCL LUT0-OUT.
48 PA4 bidirectional General-purpose I/O pin PA4 with alternate functions USART0 TxD (alternate position), SPI0 MOSI and TCA0 WO4.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TQFP-48(7x7)
Category Embedded Processors & Controllers
Pins 48

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 1.8 5.5 V ATmega4809-AFR (48-pin TQFP, Tape & Reel, 20 MHz, -40°C to +125°C), as printed in ordering table 521
Operating temperature range -40 125 °C ATmega4809-AFR, as printed in ordering table 521
Max CPU speed 20 MHz ATmega4809-AFR at 1.8-5.5V, -40°C to +125°C, as printed in ordering table 521

CAD (KiCad official)

  • Symbol: ATMEGA4809-AFR
  • Footprint: Package_QFP:TQFP-48_7x7mm_P0.5mm
  • 3D model: TQFP-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: atmega4809-afr-etched.step / atmega4809-afr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atmega4809-afr.step / atmega4809-afr.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (560 pp, sha256 a1755e46625fa50b, retrieved 2026-11-13, 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