Specification	ATMEGA4808-AFR

Connectivity	I2C, SPI, UART/USART
Core Processor	AVR
Core Size	8-Bit
Data Converters	12, 10 b
EEPROM Size	256 x 8
Mounting Type	Surface Mount
Number of I/O	27
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 °C
Oscillator Type	Internal
Package / Case	32-TQFP
Program Memory Size	48 KB
Program Memory Type	FLASH
RAM Size	6 K
Speed	20 MHz
Supplier Device Package	32-TQFP (7x7)
Voltage - Supply (Vcc/Vdd) [Max]	5.5 V
Voltage - Supply (Vcc/Vdd) [Min]	1.8 V

ATMEGA4808 Series

Part	Speed	Oscillator Type	Core Size	Operating Temperature [Min]	Operating Temperature [Max]	Supplier Device Package	EEPROM Size	RAM Size	Package / Case	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Data Converters	Mounting Type	Number of I/O	Core Processor	Program Memory Type	Program Memory Size	Connectivity	Package / Case [custom]	Package / Case [custom]	Data Converters [custom]	Data Converters [custom]
Microchip Technology ATMEGA4808-MF	20 MHz	Internal	8-Bit	-40 °C	125 °C	32-VQFN (5x5)	256 x 8	6 K	32-VFQFN Exposed Pad	1.8 V	5.5 V	10 b 12	Surface Mount	27	AVR	FLASH	48 KB	I2C SPI UART/USART
Microchip Technology ATMEGA4808-MUR	20 MHz	Internal	8-Bit	-40 °C	85 °C	32-VQFN (5x5)	256 x 8	6 K	32-VFQFN Exposed Pad	1.8 V	5.5 V	10 b 12	Surface Mount	27	AVR	FLASH	48 KB	I2C SPI UART/USART
Microchip Technology ATMEGA4808-XUR	20 MHz	Internal	8-Bit	-40 °C	85 °C	28-SSOP	256 x 8	6 K	28-SSOP	1.8 V	5.5 V		Surface Mount	23	AVR	FLASH	48 KB	I2C SPI UART/USART	0.209 in	5.3 mm	8	10
Microchip Technology ATMEGA4808-AF	20 MHz	Internal	8-Bit	-40 °C	125 °C	32-TQFP (7x7)	256 x 8	6 K	32-TQFP	1.8 V	5.5 V	10 b 12	Surface Mount	27	AVR	FLASH	48 KB	I2C SPI UART/USART
Microchip Technology ATMEGA4808-AU	20 MHz	Internal	8-Bit	-40 °C	85 °C	32-TQFP (7x7)	256 x 8	6 K	32-TQFP	1.8 V	5.5 V	10 b 12	Surface Mount	27	AVR	FLASH	48 KB	I2C SPI UART/USART
Microchip Technology ATMEGA4808-XFR	20 MHz	Internal	8-Bit	-40 °C	125 °C	28-SSOP	256 x 8	6 K	28-SSOP	1.8 V	5.5 V		Surface Mount	23	AVR	FLASH	48 KB	I2C SPI UART/USART	0.209 in	5.3 mm	8	10
Microchip Technology ATMEGA4808-MU	20 MHz	Internal	8-Bit	-40 °C	85 °C	32-VQFN (5x5)	256 x 8	6 K	32-VFQFN Exposed Pad	1.8 V	5.5 V	10 b 12	Surface Mount	27	AVR	FLASH	48 KB	I2C SPI UART/USART
Microchip Technology ATMEGA4808-XU	20 MHz	Internal	8-Bit	-40 °C	85 °C	28-SSOP	256 x 8	6 K	28-SSOP	1.8 V	5.5 V		Surface Mount	23	AVR	FLASH	48 KB	I2C SPI UART/USART	0.209 in	5.3 mm	8	10
Microchip Technology ATMEGA4808-AFR	20 MHz	Internal	8-Bit	-40 °C	125 °C	32-TQFP (7x7)	256 x 8	6 K	32-TQFP	1.8 V	5.5 V	10 b 12	Surface Mount	27	AVR	FLASH	48 KB	I2C SPI UART/USART
Microchip Technology ATMEGA4808-XF	20 MHz	Internal	8-Bit	-40 °C	125 °C	28-SSOP	256 x 8	6 K	28-SSOP	1.8 V	5.5 V		Surface Mount	23	AVR	FLASH	48 KB	I2C SPI UART/USART	0.209 in	5.3 mm	8	10

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	$ 1.76
		25	$ 1.60
		100	$ 1.45
	Digi-Reel®	1	$ 1.76
		25	$ 1.60
		100	$ 1.45
	Tape & Reel (TR)	2000	$ 1.45
Microchip Direct	T/R	1	$ 1.76
		25	$ 1.60
		100	$ 1.45
		1000	$ 1.33
		5000	$ 1.27
Newark	Each (Supplied on Cut Tape)	1	$ 1.83
		10	$ 1.75
		25	$ 1.66
		50	$ 1.59

Description

General part information

ATMEGA4808 Series

ATmega4808 is a microcontroller featuring the 8-bit AVR® processor with hardware multiplier - running at up to 20 MHz and with up to 48 KB Flash, 6 KB SRAM and 256 bytes of EEPROM in 28- and 32-pin packages. The series uses the latest Core Independent Peripherals with low-power features, including an 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

Indoor Air Quality Monitor: Firmware Creation Using Atmel START and MPLAB® Code Configurator (MCC)

Application Notes

ATmega4808/4809 Silicon Errata and Data Sheet Clarification

Errata

megaAVR® 0-Series Family

Datasheet

ATMEGA4808-AFR

Deep-Dive with AI

ATMEGA4808-AFR

Deep-Dive with AI

Technical Specifications

ATMEGA4808 Series

Pricing

Description

ATMEGA4808 Series

Documents

Technical Data Sheet EN

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

ATmega4808/4809 Data Sheet

Using Matrix Keypad with AVR® Devices

Indoor Air Quality Monitor: Concept and Implementation

Indoor Air Quality Monitor: Firmware Creation Using Atmel START and MPLAB® Code Configurator (MCC)

ATmega4808/4809 Silicon Errata and Data Sheet Clarification

megaAVR® 0-Series Family

ATMEGA4808 Series