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ATMEGA4808-AUR
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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.
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ATMEGA4808-AUR
Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · TQFP-32(7x7)
ATMEGA4808-AUR 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 | PA3 | bidirectional | PORTA I/O pin 3 with alternate functions USART0 XDIR, TWI0 SCL (host mode), TCA0 WO3, TCB1 WO and CCL LUT0 OUT. |
| 2 | PA4 | bidirectional | PORTA I/O pin 4 with alternate functions USART0 TxD (alternate position), SPI0 MOSI and TCA0 WO4. |
| 3 | PA5 | bidirectional | PORTA I/O pin 5 with alternate functions USART0 RxD (alternate position), SPI0 MISO and TCA0 WO5. |
| 4 | PA6 | bidirectional | PORTA I/O pin 6 with alternate functions USART0 XCK (alternate position), SPI0 SCK and CCL LUT0 OUT (alternate position). |
| 5 | PA7 | bidirectional | PORTA I/O pin 7 with alternate functions CLKOUT, AC0 OUT, USART0 XDIR (alternate position), SPI0 SS and EVSYS EVOUTA (alternate position). |
| 6 | PC0 | bidirectional | PORTC I/O pin 0 with alternate functions USART1 TxD, SPI0 MOSI (alternate position), TCA0 WO0 (alternate position), TCB2 WO and CCL LUT1 IN0. |
| 7 | PC1 | bidirectional | PORTC I/O pin 1 with alternate functions USART1 RxD, SPI0 MISO (alternate position), TCA0 WO1 (alternate position), TCB3 WO (alternate position) and CCL LUT1 IN1. |
| 8 | PC2 | bidirectional | PORTC I/O pin 2 with alternate functions TWI0 SDA (host mode, alternate position), USART1 XCK, SPI0 SCK (alternate position), TCA0 WO2 (alternate position), EVSYS EVOUTC and CCL LUT1 IN2. |
| 9 | PC3 | bidirectional | PORTC I/O pin 3 with alternate functions TWI0 SCL (host mode, alternate position), USART1 XDIR, SPI0 SS (alternate position), TCA0 WO3 (alternate position) and CCL LUT1 OUT. |
| 10 | PD0 | bidirectional | PORTD I/O pin 0 with analog input AIN0, TCA0 WO0 (alternate position) and CCL LUT2 IN0. |
| 11 | PD1 | bidirectional | PORTD I/O pin 1 with analog input AIN1, analog comparator input P3, TCA0 WO1 (alternate position) and CCL LUT2 IN1. |
| 12 | PD2 | bidirectional | PORTD I/O pin 2 with analog input AIN2, analog comparator input P0, TCA0 WO2 (alternate position), EVSYS EVOUTD and CCL LUT2 IN2. |
| 13 | PD3 | bidirectional | PORTD I/O pin 3 with analog input AIN3, analog comparator input N0, TCA0 WO3 (alternate position) and CCL LUT2 OUT. |
| 14 | PD4 | bidirectional | PORTD I/O pin 4 with analog input AIN4, analog comparator input P1 and TCA0 WO4 (alternate position). |
| 15 | PD5 | bidirectional | PORTD I/O pin 5 with analog input AIN5, analog comparator input N1 and TCA0 WO5 (alternate position). |
| 16 | PD6 | bidirectional | PORTD I/O pin 6 with analog input AIN6, analog comparator input P2 and CCL LUT2 OUT (alternate position). |
| 17 | PD7 | bidirectional | PORTD I/O pin 7 with ADC voltage reference input VREFA, analog input AIN7, analog comparator input N2 and EVSYS EVOUTD (alternate position). |
| 18 | AVDD | power_in | Analog supply pin shown in the pinout as the AVDD power domain for analog functions. |
| 19 | GND | power_in | Ground reference pin. |
| 20 | PF0 (TOSC1) | bidirectional | PORTF I/O pin 0 that is also the TOSC1 crystal oscillator connection, with alternate functions USART2 TxD, TCA0 WO0 (alternate position) and CCL LUT3 IN0. |
| 21 | PF1 (TOSC2) | bidirectional | PORTF I/O pin 1 that is also the TOSC2 crystal oscillator connection, with alternate functions USART2 RxD, TCA0 WO1 (alternate position) and CCL LUT3 IN1. |
| 22 | PF2 | bidirectional | PORTF I/O pin 2 with analog input AIN12, TWI0 SDA (client mode, alternate position), USART2 XCK, TCA0 WO2 (alternate position), EVSYS EVOUTF and CCL LUT3 IN2. |
| 23 | PF3 | bidirectional | PORTF I/O pin 3 with analog input AIN13, TWI0 SCL (client mode, alternate position), USART2 XDIR, TCA0 WO3 (alternate position) and CCL LUT3 OUT. |
| 24 | PF4 | bidirectional | PORTF I/O pin 4 with analog input AIN14, USART2 TxD (alternate position), TCA0 WO4 (alternate position) and TCB0 WO (alternate position). |
| 25 | PF5 | bidirectional | PORTF I/O pin 5 with analog input AIN15, USART2 RxD (alternate position), TCA0 WO5 (alternate position) and TCB1 WO (alternate position). |
| 26 | PF6 | bidirectional | PORTF I/O pin 6 that serves as the RESET pin when the RSTPINCFG fuse selects RESET (otherwise GPIO), with alternate functions USART2 XCK (alternate position) and CCL LUT3 OUT (alternate position). |
| 27 | UPDI | bidirectional | Unified Program and Debug Interface pin used for programming and debugging the device. |
| 28 | VDD | power_in | Input supply pin; the device operates from 1.8-5.5 V for this ordering code per the ordering information. |
| 29 | GND | power_in | Ground reference pin. |
| 30 | PA0 (EXTCLK) | bidirectional | PORTA I/O pin 0 that can also serve as the external clock input EXTCLK, with alternate functions USART0 TxD (default), TCA0 WO0 and CCL LUT0 IN0. |
| 31 | PA1 | bidirectional | PORTA I/O pin 1 with alternate functions USART0 RxD, TCA0 WO1 and CCL LUT0 IN1. |
| 32 | PA2 | bidirectional | PORTA I/O pin 2 with alternate functions USART0 XCK, TWI0 SDA (host mode), TCA0 WO2, TCB0 WO, EVSYS EVOUTA and CCL LUT0 IN2. |
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 |
|---|---|---|---|---|---|---|---|
| Supply voltage (VDD) range | VDD | 1.8 | 5.5 | V | ATmega4808-AUR, 20 MHz max CPU speed, -40°C to +85°C | 521 | |
| Operating temperature range | -40 | 85 | °C | ATmega4808-AUR (Tape & Reel), 1.8-5.5V, 20 MHz | 521 | ||
| Max. CPU speed | 20 | MHz | 1.8-5.5V, -40°C to +85°C | 521 |
CAD (KiCad official)
- Symbol:
ATMEGA4808-AUR - Footprint:
Package_QFP:TQFP-32_7x7mm_P0.8mm - 3D model: TQFP-32(7x7) (KiCad packages3D, STEP)
- 3D model files:
atmega4808-aur-etched.step/atmega4808-aur-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);atmega4808-aur.step/atmega4808-aur.glbare 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, primaryclaude-haiku-5-5(text), consensusclaude-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).
# ATMEGA4808-AUR
**Microchip Tech** · Microcontroller Units (MCUs/MPUs/SOCs) · TQFP-32(7x7)
ATMEGA4808-AUR 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 | PA3 | bidirectional | PORTA I/O pin 3 with alternate functions USART0 XDIR, TWI0 SCL (host mode), TCA0 WO3, TCB1 WO and CCL LUT0 OUT. |
| 2 | PA4 | bidirectional | PORTA I/O pin 4 with alternate functions USART0 TxD (alternate position), SPI0 MOSI and TCA0 WO4. |
| 3 | PA5 | bidirectional | PORTA I/O pin 5 with alternate functions USART0 RxD (alternate position), SPI0 MISO and TCA0 WO5. |
| 4 | PA6 | bidirectional | PORTA I/O pin 6 with alternate functions USART0 XCK (alternate position), SPI0 SCK and CCL LUT0 OUT (alternate position). |
| 5 | PA7 | bidirectional | PORTA I/O pin 7 with alternate functions CLKOUT, AC0 OUT, USART0 XDIR (alternate position), SPI0 SS and EVSYS EVOUTA (alternate position). |
| 6 | PC0 | bidirectional | PORTC I/O pin 0 with alternate functions USART1 TxD, SPI0 MOSI (alternate position), TCA0 WO0 (alternate position), TCB2 WO and CCL LUT1 IN0. |
| 7 | PC1 | bidirectional | PORTC I/O pin 1 with alternate functions USART1 RxD, SPI0 MISO (alternate position), TCA0 WO1 (alternate position), TCB3 WO (alternate position) and CCL LUT1 IN1. |
| 8 | PC2 | bidirectional | PORTC I/O pin 2 with alternate functions TWI0 SDA (host mode, alternate position), USART1 XCK, SPI0 SCK (alternate position), TCA0 WO2 (alternate position), EVSYS EVOUTC and CCL LUT1 IN2. |
| 9 | PC3 | bidirectional | PORTC I/O pin 3 with alternate functions TWI0 SCL (host mode, alternate position), USART1 XDIR, SPI0 SS (alternate position), TCA0 WO3 (alternate position) and CCL LUT1 OUT. |
| 10 | PD0 | bidirectional | PORTD I/O pin 0 with analog input AIN0, TCA0 WO0 (alternate position) and CCL LUT2 IN0. |
| 11 | PD1 | bidirectional | PORTD I/O pin 1 with analog input AIN1, analog comparator input P3, TCA0 WO1 (alternate position) and CCL LUT2 IN1. |
| 12 | PD2 | bidirectional | PORTD I/O pin 2 with analog input AIN2, analog comparator input P0, TCA0 WO2 (alternate position), EVSYS EVOUTD and CCL LUT2 IN2. |
| 13 | PD3 | bidirectional | PORTD I/O pin 3 with analog input AIN3, analog comparator input N0, TCA0 WO3 (alternate position) and CCL LUT2 OUT. |
| 14 | PD4 | bidirectional | PORTD I/O pin 4 with analog input AIN4, analog comparator input P1 and TCA0 WO4 (alternate position). |
| 15 | PD5 | bidirectional | PORTD I/O pin 5 with analog input AIN5, analog comparator input N1 and TCA0 WO5 (alternate position). |
| 16 | PD6 | bidirectional | PORTD I/O pin 6 with analog input AIN6, analog comparator input P2 and CCL LUT2 OUT (alternate position). |
| 17 | PD7 | bidirectional | PORTD I/O pin 7 with ADC voltage reference input VREFA, analog input AIN7, analog comparator input N2 and EVSYS EVOUTD (alternate position). |
| 18 | AVDD | power_in | Analog supply pin shown in the pinout as the AVDD power domain for analog functions. |
| 19 | GND | power_in | Ground reference pin. |
| 20 | PF0 (TOSC1) | bidirectional | PORTF I/O pin 0 that is also the TOSC1 crystal oscillator connection, with alternate functions USART2 TxD, TCA0 WO0 (alternate position) and CCL LUT3 IN0. |
| 21 | PF1 (TOSC2) | bidirectional | PORTF I/O pin 1 that is also the TOSC2 crystal oscillator connection, with alternate functions USART2 RxD, TCA0 WO1 (alternate position) and CCL LUT3 IN1. |
| 22 | PF2 | bidirectional | PORTF I/O pin 2 with analog input AIN12, TWI0 SDA (client mode, alternate position), USART2 XCK, TCA0 WO2 (alternate position), EVSYS EVOUTF and CCL LUT3 IN2. |
| 23 | PF3 | bidirectional | PORTF I/O pin 3 with analog input AIN13, TWI0 SCL (client mode, alternate position), USART2 XDIR, TCA0 WO3 (alternate position) and CCL LUT3 OUT. |
| 24 | PF4 | bidirectional | PORTF I/O pin 4 with analog input AIN14, USART2 TxD (alternate position), TCA0 WO4 (alternate position) and TCB0 WO (alternate position). |
| 25 | PF5 | bidirectional | PORTF I/O pin 5 with analog input AIN15, USART2 RxD (alternate position), TCA0 WO5 (alternate position) and TCB1 WO (alternate position). |
| 26 | PF6 | bidirectional | PORTF I/O pin 6 that serves as the RESET pin when the RSTPINCFG fuse selects RESET (otherwise GPIO), with alternate functions USART2 XCK (alternate position) and CCL LUT3 OUT (alternate position). |
| 27 | UPDI | bidirectional | Unified Program and Debug Interface pin used for programming and debugging the device. |
| 28 | VDD | power_in | Input supply pin; the device operates from 1.8-5.5 V for this ordering code per the ordering information. |
| 29 | GND | power_in | Ground reference pin. |
| 30 | PA0 (EXTCLK) | bidirectional | PORTA I/O pin 0 that can also serve as the external clock input EXTCLK, with alternate functions USART0 TxD (default), TCA0 WO0 and CCL LUT0 IN0. |
| 31 | PA1 | bidirectional | PORTA I/O pin 1 with alternate functions USART0 RxD, TCA0 WO1 and CCL LUT0 IN1. |
| 32 | PA2 | bidirectional | PORTA I/O pin 2 with alternate functions USART0 XCK, TWI0 SDA (host mode), TCA0 WO2, TCB0 WO, EVSYS EVOUTA and CCL LUT0 IN2. |
## 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 |
|---|---|---|---|---|---|---|---|
| Supply voltage (VDD) range | VDD | 1.8 | | 5.5 | V | ATmega4808-AUR, 20 MHz max CPU speed, -40°C to +85°C | 521 |
| Operating temperature range | | -40 | | 85 | °C | ATmega4808-AUR (Tape & Reel), 1.8-5.5V, 20 MHz | 521 |
| Max. CPU speed | | | | 20 | MHz | 1.8-5.5V, -40°C to +85°C | 521 |
## CAD (KiCad official)
- Symbol: `ATMEGA4808-AUR`
- Footprint: `Package_QFP:TQFP-32_7x7mm_P0.8mm`
- 3D model: TQFP-32(7x7) (KiCad packages3D, STEP)
- 3D model files: `atmega4808-aur-etched.step` / `atmega4808-aur-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `atmega4808-aur.step` / `atmega4808-aur.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Microchip Tech datasheet](https://ww1.microchip.com/downloads/en/DeviceDoc/ATmega4808-09-DataSheet-DS40002173C.pdf) (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](docs/atmega4808-aur-datasheet.pdf)