Specification	ATMEGA3209-AFR

Connectivity	I2C, SPI, UART/USART
Core Processor	AVR
Core Size	8-Bit
Data Converters [custom]	10
Data Converters [custom]	16
EEPROM Size	256 x 8
Mounting Type	Surface Mount
Number of I/O	41
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 °C
Oscillator Type	Internal
Package / Case	48-TQFP
Program Memory Size	32 KB
Program Memory Type	FLASH
RAM Size	4K x 8
Speed	20 MHz
Supplier Device Package	48-TQFP (7x7)
Voltage - Supply (Vcc/Vdd) [Max]	5.5 V
Voltage - Supply (Vcc/Vdd) [Min]	1.8 V

ATMEGA3209 Series

Part	Core Processor	Program Memory Size	Package / Case	Data Converters [custom]	Data Converters [custom]	RAM Size	Mounting Type	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Number of I/O	Core Size	EEPROM Size	Program Memory Type	Speed	Supplier Device Package	Operating Temperature [Max]	Operating Temperature [Min]	Oscillator Type	Connectivity
Microchip Technology ATMEGA3209-AU	AVR	32 KB	48-TQFP	10	16	4K x 8	Surface Mount	1.8 V	5.5 V	41	8-Bit	256 x 8	FLASH	20 MHz	48-TQFP (7x7)	85 °C	-40 °C	Internal	I2C SPI UART/USART
Microchip Technology ATMEGA3209-MUR	AVR	32 KB	48-VFQFN Exposed Pad	10	16	4K x 8	Surface Mount	1.8 V	5.5 V	41	8-Bit	256 x 8	FLASH	20 MHz	48-QFN (7x7)	85 °C	-40 °C	Internal	I2C SPI UART/USART
Microchip Technology ATMEGA3209-AFR	AVR	32 KB	48-TQFP	10	16	4K x 8	Surface Mount	1.8 V	5.5 V	41	8-Bit	256 x 8	FLASH	20 MHz	48-TQFP (7x7)	125 °C	-40 °C	Internal	I2C SPI UART/USART
Microchip Technology ATMEGA3209-MU	AVR	32 KB	48-VFQFN Exposed Pad	10	16	4K x 8	Surface Mount	1.8 V	5.5 V	41	8-Bit	256 x 8	FLASH	20 MHz	48-QFN (7x7)	85 °C	-40 °C	Internal	I2C SPI UART/USART
Microchip Technology ATMEGA3209-MFR	AVR	32 KB	48-UFQFN Exposed Pad	10	16	4K x 8	Surface Mount	1.8 V	5.5 V	41	8-Bit	256 x 8	FLASH	20 MHz	48-UQFN (6x6)	125 °C	-40 °C	Internal	I2C SPI UART/USART
Microchip Technology ATMEGA3209-AF	AVR	32 KB	48-TQFP	10	16	4K x 8	Surface Mount	1.8 V	5.5 V	41	8-Bit	256 x 8	FLASH	20 MHz	48-TQFP (7x7)	125 °C	-40 °C	Internal	I2C SPI UART/USART

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 1.83
		25	$ 1.66
		100	$ 1.51
	Digi-Reel®	1	$ 1.83
		25	$ 1.66
		100	$ 1.51
	Tape & Reel (TR)	2500	$ 1.51
Microchip Direct	T/R	1	$ 1.83
		25	$ 1.66
		100	$ 1.51
		1000	$ 1.38
		5000	$ 1.32
Newark	Each (Supplied on Cut Tape)	1	$ 1.90
		10	$ 1.82
		25	$ 1.73
		50	$ 1.70

Description

General part information

ATMEGA3209 Series

The ATmega3209 is a microcontroller featuring the 8-bit AVR® processor with hardware multiplier - running at up to 20 MHz and with up to 32 KB Flash, 4 KB SRAM and 256 bytes of EEPROM in 48-pin packages. The series uses the latest Core Independent Peripherals with low-power features, including Event System, intelligent analog, and advanced peripherals.

[megaAVR 0-series Overview](https://ww1.microchip.com/downloads/en/devicedoc/megaavr0-series-family-data-sheet-ds40002015b.pdf)

[Check out Code Examples](https://github.com/MicrochipTech?utf8=%E2%9C%93&q=atmega4809&type=&language=)

Documents

Technical documentation and resources

Datasheet

megaAVR® 0-Series Family

Datasheet

ATMEGA3209-AFR

Deep-Dive with AI

ATMEGA3209-AFR

Deep-Dive with AI

Technical Specifications

ATMEGA3209 Series

Pricing

Description

ATMEGA3209 Series

Documents

Technical Data Sheet EN

AVR040: EMC Design Considerations

ATmega3208/3209 Data Sheet

AVR1000b: Getting Started with Writing C-Code for AVR MCUs

Using Matrix Keypad with AVR® Devices

Getting Started with GPIO

ATmega3208/3209 Silicon Errata and Data Sheet Clarification

Datasheet

megaAVR® 0-Series Family

ATMEGA3209 Series