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ATMEGA808-XF
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, SSOP-28-208mil. 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
markdownATMEGA808-XF
Microchip Tech · Pre-ordered MCUs · SSOP-28-208mil
ATMEGA808-XF from Microchip Tech, in a SSOP-28-208mil. 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 | PA7 | bidirectional | PORTA pin 7 with CLKOUT, USART0 XDIR (alt), SPI0 SS and EVOUTA (alt) functions, on the VDD power domain. |
| 2 | PC0 | bidirectional | PORTC pin 0 with USART1 TxD, TCB2 WO, CCL LUT1-IN0 and alternate SPI0 MOSI/TCA0 WO0 functions. |
| 3 | PC1 | bidirectional | PORTC pin 1 with USART1 RxD, CCL LUT1-IN1 and alternate SPI0 MISO/TCA0 WO1/TCB3 WO functions. |
| 4 | PC2 | bidirectional | PORTC pin 2 with TWI0 SDA (host/client), USART1 XCK, EVOUTC and CCL LUT1-IN2; SPI0 SCK and TCA0 WO2 are alternate positions. |
| 5 | PC3 | bidirectional | PORTC pin 3 with TWI0 SCL (host/client), USART1 XDIR, CCL LUT1-OUT; SPI0 SS and TCA0 WO3 are alternate positions. |
| 6 | PD0 | bidirectional | PORTD pin 0 with ADC0 input AIN0 and CCL LUT2-IN0; TCA0 WO0 is an alternate position. |
| 7 | PD1 | bidirectional | PORTD pin 1 with ADC0 input AIN1, AC0 positive input P3 and CCL LUT2-IN1. |
| 8 | PD2 | bidirectional | PORTD pin 2 with ADC0 input AIN2, AC0 positive input P0, EVOUTD and CCL LUT2-IN2. |
| 9 | PD3 | bidirectional | PORTD pin 3 with ADC0 input AIN3, AC0 negative input N0 and CCL LUT2-OUT. |
| 10 | PD4 | bidirectional | PORTD pin 4 with ADC0 input AIN4 and AC0 positive input P1. |
| 11 | PD5 | bidirectional | PORTD pin 5 with ADC0 input AIN5 and AC0 negative input N1. |
| 12 | PD6 | bidirectional | PORTD pin 6 with ADC0 input AIN6 and AC0 positive input P2; fully asynchronous pin-change detection. |
| 13 | PD7 | bidirectional | PORTD pin 7 with external ADC reference VREFA, ADC0 input AIN7, AC0 negative input N2 and EVOUTD (alt). |
| 14 | AVDD | power_in | Analog supply input powering the AVDD-domain GPIO pins (PD0-PD7). |
| 15 | GND | power_in | Ground. |
| 16 | PF0 | bidirectional | PORTF pin 0 with TOSC1 crystal oscillator input, USART2 TxD and CCL LUT3-IN0. |
| 17 | PF1 | bidirectional | PORTF pin 1 with TOSC2 crystal oscillator output, USART2 RxD and CCL LUT3-IN1. |
| 18 | PF6 | bidirectional | PORTF pin 6 that functions as the RESET pin (selected by the RSTPINCFG fuse; GPIO when fuse is 0), with USART2 XCK and CCL LUT3-OUT as alternates. |
| 19 | UPDI | bidirectional | Unified Program and Debug Interface pin used for programming and debugging. |
| 20 | VDD | power_in | Digital supply input; device operates from 1.8V to 5.5V. |
| 21 | GND | power_in | Ground. |
| 22 | PA0 | bidirectional | PORTA pin 0 with EXTCLK external clock input, USART0 TxD, TCA0 WO0 and CCL LUT0-IN0. |
| 23 | PA1 | bidirectional | PORTA pin 1 with USART0 RxD, TCA0 WO1 and CCL LUT0-IN1. |
| 24 | PA2 | bidirectional | PORTA pin 2 with TWI0 SDA (host/client), USART0 XCK, TCA0 WO2, TCB0 WO, EVOUTA and CCL LUT0-IN2. |
| 25 | PA3 | bidirectional | PORTA pin 3 with TWI0 SCL (host/client), USART0 XDIR, TCA0 WO3, TCB1 WO and CCL LUT0-OUT. |
| 26 | PA4 | bidirectional | PORTA pin 4 with SPI0 MOSI and TCA0 WO4; USART0 TxD is an alternate position. |
| 27 | PA5 | bidirectional | PORTA pin 5 with SPI0 MISO and TCA0 WO5; USART0 RxD is an alternate position. |
| 28 | PA6 | bidirectional | PORTA pin 6 with SPI0 SCK; USART0 XCK and CCL LUT0-OUT are alternate positions. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | SSOP-28-208mil |
| Category | Embedded Processors & Controllers |
| Pins | 28 |
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 | Ordering table, ATmega808-XF | 520 | |
| Operating Temperature Range | -40 | 125 | °C | Ordering table, ATmega808-XF | 520 | ||
| Max. CPU Speed | 20 | MHz | Ordering table, ATmega808-XF | 520 |
CAD (KiCad official)
- Symbol:
ATMEGA808-XF - Footprint:
Package_SO:SSOP-28_5.3x10.2mm_P0.65mm - 3D model: SSOP-28-208mil (KiCad packages3D, STEP)
- 3D model files:
atmega808-xf-etched.step/atmega808-xf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);atmega808-xf.step/atmega808-xf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (552 pp, sha256
e4bbeee766cda6b4, 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).