component
ATMEGA809-AFR
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownATMEGA809-AFR
Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · TQFP-48(7x7)
ATMEGA809-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 | PORTA pin 5 (VDD domain GPIO) with alternate USART0 RxD, SPI0 MISO and TCA0 WO5. |
| 2 | PA6 | bidirectional | PORTA pin 6 (VDD domain GPIO) with alternate USART0 XCK, SPI0 SCK and CCL 0-OUT. |
| 3 | PA7 | bidirectional | PORTA pin 7 (VDD domain GPIO) with CLKOUT, CCL OUT, alternate USART0 XDIR, SPI0 SS and EVOUTA. |
| 4 | PB0 | bidirectional | PORTB pin 0 with USART3 TxD and alternate TCA0 WO0. |
| 5 | PB1 | bidirectional | PORTB pin 1 with USART3 RxD and alternate TCA0 WO1. |
| 6 | PB2 | bidirectional | PORTB pin 2 with USART3 XCK, alternate TCA0 WO2 and EVOUTB. |
| 7 | PB3 | bidirectional | PORTB pin 3 with USART3 XDIR and alternate TCA0 WO3. |
| 8 | PB4 | bidirectional | PORTB pin 4 with alternate USART3 TxD, TCA0 WO4 and TCB2 WO. |
| 9 | PB5 | bidirectional | PORTB pin 5 with alternate USART3 RxD and TCA0 WO5, and TCB3 WO. |
| 10 | PC0 | bidirectional | PORTC pin 0 with USART1 TxD, TCB2 WO, CCL 1-IN0 and alternate SPI0 MOSI and TCA0 WO0. |
| 11 | PC1 | bidirectional | PORTC pin 1 with USART1 RxD, CCL 1-IN1 and alternate SPI0 MISO, TCA0 WO1 and TCB3 WO. |
| 12 | PC2 | bidirectional | PORTC pin 2 with TWI, USART1 XCK, EVOUTC, CCL 1-IN2 and alternate SPI0 SCK, TWI0 SDA (host/client) and TCA0 WO2. |
| 13 | PC3 | bidirectional | PORTC pin 3 with TWI, USART1 XDIR, CCL 1-OUT and alternate SPI0 SS, TWI0 SCL (host/client) and TCA0 WO3. |
| 14 | VDD | power_in | Input supply voltage pin. |
| 15 | GND | power_in | Ground pin. |
| 16 | PC4 | bidirectional | PORTC pin 4 with alternate USART1 TxD and TCA0 WO4. |
| 17 | PC5 | bidirectional | PORTC pin 5 with alternate USART1 RxD and TCA0 WO5. |
| 18 | PC6 | bidirectional | PORTC pin 6 with alternate USART1 XCK and CCL 1-OUT. |
| 19 | PC7 | bidirectional | PORTC pin 7 with alternate USART1 XDIR and EVOUTC. |
| 20 | PD0 | bidirectional | PORTD pin 0 (AVDD domain GPIO) with ADC0 AIN0, CCL 2-IN0 and alternate TCA0 WO0. |
| 21 | PD1 | bidirectional | PORTD pin 1 (AVDD domain GPIO) with ADC0 AIN1, AC0 P3, CCL 2-IN1 and alternate TCA0 WO1. |
| 22 | PD2 | bidirectional | PORTD pin 2 (AVDD domain GPIO) with ADC0 AIN2, AC0 P0, EVOUTD, CCL 2-IN2 and alternate TCA0 WO2. |
| 23 | PD3 | bidirectional | PORTD pin 3 (AVDD domain GPIO) with ADC0 AIN3, AC0 N0, CCL 2-OUT and alternate TCA0 WO3. |
| 24 | PD4 | bidirectional | PORTD pin 4 (AVDD domain GPIO) with ADC0 AIN4, AC0 P1 and alternate TCA0 WO4. |
| 25 | PD5 | bidirectional | PORTD pin 5 (AVDD domain GPIO) with ADC0 AIN5, AC0 N1 and alternate TCA0 WO5. |
| 26 | PD6 | bidirectional | PORTD pin 6 (AVDD domain GPIO) with ADC0 AIN6, AC0 P2 and alternate CCL 2-OUT. |
| 27 | PD7 | bidirectional | PORTD pin 7 (AVDD domain GPIO) with VREFA external reference, ADC0 AIN7, AC0 N2 and alternate EVOUTD. |
| 28 | AVDD | power_in | Analog input supply voltage pin for the AVDD power domain GPIO. |
| 29 | GND | power_in | Ground pin. |
| 30 | PE0 | bidirectional | PORTE pin 0 with ADC0 AIN8 and alternate SPI0 MOSI and TCA0 WO0. |
| 31 | PE1 | bidirectional | PORTE pin 1 with ADC0 AIN9 and alternate SPI0 MISO and TCA0 WO1. |
| 32 | PE2 | bidirectional | PORTE pin 2 with ADC0 AIN10, EVOUTE and alternate SPI0 SCK and TCA0 WO2. |
| 33 | PE3 | bidirectional | PORTE pin 3 with ADC0 AIN11 and alternate SPI0 SS and TCA0 WO3. |
| 34 | PF0 (TOSC1) | bidirectional | PORTF pin 0 with TOSC1 crystal input, USART2 TxD, CCL 3-IN0 and alternate TCA0 WO0. |
| 35 | PF1 (TOSC2) | bidirectional | PORTF pin 1 with TOSC2 crystal pin, USART2 RxD, CCL 3-IN1 and alternate TCA0 WO1. |
| 36 | PF2 | bidirectional | PORTF pin 2 with TWI, ADC0 AIN12, USART2 XCK, EVOUTF, CCL 3-IN2 and alternate TWI0 SDA (client) and TCA0 WO2. |
| 37 | PF3 | bidirectional | PORTF pin 3 with TWI, ADC0 AIN13, USART2 XDIR, CCL 3-OUT and alternate TWI0 SCL (client) and TCA0 WO3. |
| 38 | PF4 | bidirectional | PORTF pin 4 with ADC0 AIN14 and alternate USART2 TxD, TCA0 WO4 and TCB0 WO. |
| 39 | PF5 | bidirectional | PORTF pin 5 with ADC0 AIN15 and alternate USART2 RxD, TCA0 WO5 and TCB1 WO. |
| 40 | PF6 (RESET) | bidirectional | PORTF pin 6, configurable by the RSTPINCFG fuse as GPIO or as the RESET pin, with alternate USART2 XCK and CCL 3-OUT. |
| 41 | UPDI | bidirectional | Unified Program and Debug Interface pin used for programming and debug. |
| 42 | VDD | power_in | Input supply voltage pin. |
| 43 | GND | power_in | Ground pin. |
| 44 | PA0 (EXTCLK) | bidirectional | PORTA pin 0 (VDD domain GPIO) with EXTCLK external clock input, USART0 TxD and TCA0 WO0, CCL 0-IN0. |
| 45 | PA1 | bidirectional | PORTA pin 1 (VDD domain GPIO) with USART0 RxD, TCA0 WO1 and CCL 0-IN1. |
| 46 | PA2 | bidirectional | PORTA pin 2 (VDD domain GPIO) with TWI, USART0 XCK, TWI0 SDA (host/client), TCA0 WO2, TCB0 WO, EVOUTA and CCL 0-IN2. |
| 47 | PA3 | bidirectional | PORTA pin 3 (VDD domain GPIO) with TWI, USART0 XDIR, TWI0 SCL (host/client), TCA0 WO3, TCB1 WO and CCL 0-OUT. |
| 48 | PA4 | bidirectional | PORTA pin 4 (VDD domain GPIO) with alternate USART0 TxD, 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 | VDD | 1.8 | 5.5 | V | ATmega809-AFR ordering table, supply voltage 1.8-5.5V | 520 | |
| Operating Temperature Range | -40 | 125 | °C | ATmega809-AFR ordering table, -40°C to +125°C | 520 | ||
| Max. CPU Speed | 20 | MHz | ATmega809-AFR ordering table | 520 |
CAD (KiCad official)
- Symbol:
ATMEGA809-AFR - Footprint:
Package_QFP:TQFP-48_7x7mm_P0.5mm - 3D model: TQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
atmega809-afr-etched.step/atmega809-afr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);atmega809-afr.step/atmega809-afr.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 2026-10-26, 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).