component
ATMEGA4808-MFR
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownATMEGA4808-MFR
Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · VQFN-32-EP(5x5)
ATMEGA4808-MFR from Microchip Tech, in a VQFN-32-EP(5x5). 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 pin 3 general-purpose I/O with TWI0 SCL (host), USART0 XDIR, TCA0 WO3, TCB1 WO and CCL LUT0-OUT alternate functions. |
| 2 | PA4 | bidirectional | PORTA pin 4 general-purpose I/O with SPI0 MOSI and TCA0 WO4 functions, plus USART0 TxD on the alternate pin position. |
| 3 | PA5 | bidirectional | PORTA pin 5 general-purpose I/O with SPI0 MISO and TCA0 WO5 functions, plus USART0 RxD on the alternate pin position. |
| 4 | PA6 | bidirectional | PORTA pin 6 general-purpose I/O with SPI0 SCK function, plus USART0 XCK and CCL LUT0-OUT on the alternate pin position. |
| 5 | PA7 | bidirectional | PORTA pin 7 general-purpose I/O with CLKOUT, analog comparator AC0 OUT and SPI0 SS functions, plus USART0 XDIR and EVOUTA on the alternate pin position. |
| 6 | PC0 | bidirectional | PORTC pin 0 general-purpose I/O with USART1 TxD, TCB2 WO and CCL LUT1-IN0 functions. |
| 7 | PC1 | bidirectional | PORTC pin 1 general-purpose I/O with USART1 RxD, TCB3 WO and CCL LUT1-IN1 functions. |
| 8 | PC2 | bidirectional | PORTC pin 2 general-purpose I/O with TWI0 SDA (host), USART1 XCK, EVOUTC and CCL LUT1-IN2 functions. |
| 9 | PC3 | bidirectional | PORTC pin 3 general-purpose I/O with TWI0 SCL (host), USART1 XDIR and CCL LUT1-OUT functions. |
| 10 | PD0 | bidirectional | PORTD pin 0 general-purpose I/O with ADC0 input AIN0 and CCL LUT2-IN0 functions. |
| 11 | PD1 | bidirectional | PORTD pin 1 general-purpose I/O with ADC0 input AIN1, AC0 positive input P3 and CCL LUT2-IN1 functions. |
| 12 | PD2 | bidirectional | PORTD pin 2 general-purpose I/O with ADC0 input AIN2, AC0 positive input P0, EVOUTD and CCL LUT2-IN2 functions. |
| 13 | PD3 | bidirectional | PORTD pin 3 general-purpose I/O with ADC0 input AIN3, AC0 negative input N0 and CCL LUT2-OUT functions. |
| 14 | PD4 | bidirectional | PORTD pin 4 general-purpose I/O with ADC0 input AIN4 and AC0 positive input P1. |
| 15 | PD5 | bidirectional | PORTD pin 5 general-purpose I/O with ADC0 input AIN5 and AC0 negative input N1. |
| 16 | PD6 | bidirectional | PORTD pin 6 general-purpose I/O with ADC0 input AIN6 and AC0 positive input P2. |
| 17 | PD7 | bidirectional | PORTD pin 7 general-purpose I/O with VREFA external reference input, ADC0 input AIN7, AC0 negative input N2 and EVOUTD on the alternate pin position. |
| 18 | AVDD | power_in | Analog supply input for the AVDD power domain GPIO (PD0-PD7) and analog functions. |
| 19 | GND | power_in | Ground. |
| 20 | PF0 | bidirectional | PORTF pin 0 general-purpose I/O with TOSC1 crystal oscillator connection, USART2 TxD and CCL LUT3-IN0 functions. |
| 21 | PF1 | bidirectional | PORTF pin 1 general-purpose I/O with TOSC2 crystal oscillator connection, USART2 RxD and CCL LUT3-IN1 functions. |
| 22 | PF2 | bidirectional | PORTF pin 2 general-purpose I/O with TWI0 SDA (client), ADC0 input AIN12, USART2 XCK, EVOUTF and CCL LUT3-IN2 functions. |
| 23 | PF3 | bidirectional | PORTF pin 3 general-purpose I/O with TWI0 SCL (client), ADC0 input AIN13, USART2 XDIR and CCL LUT3-OUT functions. |
| 24 | PF4 | bidirectional | PORTF pin 4 general-purpose I/O with ADC0 input AIN14, plus USART2 TxD, TCA0 WO4 and TCB0 WO on the alternate pin position. |
| 25 | PF5 | bidirectional | PORTF pin 5 general-purpose I/O with ADC0 input AIN15, plus USART2 RxD, TCA0 WO5 and TCB1 WO on the alternate pin position. |
| 26 | PF6 | bidirectional | PORTF pin 6 that works as the RESET pin or as a general-purpose I/O depending on the RSTPINCFG fuse, with USART2 XCK and CCL LUT3-OUT on the alternate pin position. |
| 27 | UPDI | bidirectional | Unified Program and Debug Interface pin used for programming and debugging. |
| 28 | VDD | power_in | Input supply voltage (1.8-5.5V for this ordering code). |
| 29 | GND | power_in | Ground. |
| 30 | PA0 | bidirectional | PORTA pin 0 general-purpose I/O with EXTCLK external clock input, USART0 TxD, TCA0 WO0 and CCL LUT0-IN0 functions. |
| 31 | PA1 | bidirectional | PORTA pin 1 general-purpose I/O with USART0 RxD, TCA0 WO1 and CCL LUT0-IN1 functions. |
| 32 | PA2 | bidirectional | PORTA pin 2 general-purpose I/O with TWI0 SDA (host), USART0 XCK, TCA0 WO2, TCB0 WO, EVOUTA and CCL LUT0-IN2 functions. |
| 33 | EP | passive | Center exposed pad that can be connected to PCB ground or left electrically unconnected; solder or glue it to the board for mechanical stability. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | VQFN-32-EP(5x5) |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 33 |
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 | 1.8 | 5.5 | V | ATmega4808-MFR ordering option, 1.8-5.5V | 521 | |
| Operating Temperature Range | -40 | 125 | °C | ATmega4808-MFR ordering option, -40°C to +125°C | 521 | ||
| Maximum CPU Speed | 20 | MHz | ATmega4808-MFR ordering option | 521 |
CAD (KiCad official)
- Symbol:
ATMEGA4808-MFR - Footprint:
Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm - 3D model: VQFN-32-EP(5x5) (KiCad packages3D, STEP)
- 3D model files:
atmega4808-mfr-etched.step/atmega4808-mfr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);atmega4808-mfr.step/atmega4808-mfr.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 2026-10-27, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).