The AVR® DB family of microcontrollers feature the well-known AVR® CPU, now running at up to 24 MHz across the full supply voltage range of 1.8V to 5.5V. The family includes 32 KB, 64 KB, and 128 KB Flash variants in 28- to 64-pin package options. The AVR® DB family is designed to bring analog signal conditioning, real-time control, and multi-voltage operation to applications including industrial control, home appliance products, automotive, and Internet of Things (IoT).

Technical Specifications

Parameters and characteristics for this part

Specification	AVR32DB28T-I/SO

A/D Channels	9 count
A/D Resolution (bits)	12 bit
Connectivity	USART, UART, SPI, I2C
Core Processor	AVR
Core Size (Bit Width)	8 Bit
D/A Channels	1 count
D/A Resolution (bits)	10 bit
EEPROM Size (Depth)	512
EEPROM Size (Width)	8 bit
Mounting Type	Surface Mount
Number of I/O	21
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Oscillator Type	Internal
Package Length	0.295 in
Package Name	28-SOIC
Package Width	7.5 mm
Peripherals	WDT, PWM, Brown-out Detect, POR, Reset
Program Memory Depth	32 K
Program Memory Size	32 KB
Program Memory Type	FLASH
Program Memory Width	8 bit
RAM Size Depth	4 K
RAM Size Width	8 bit
Speed	24 MHz
Voltage - Supply (Vcc/Vdd) Maximum	5.5 V
Voltage - Supply (Vcc/Vdd) Minimum	1.8 V

AVR32DB28 Series

Part	Number of I/O	EEPROM Size (Width)	EEPROM Size (Depth)	Program Memory Type	Peripherals	A/D Channels	A/D Resolution (bits)	D/A Channels	D/A Resolution (bits)	RAM Size Depth	RAM Size Width	Speed	Mounting Type	Oscillator Type	Core Processor	Connectivity	Package Width	Package Name	Package Length	Program Memory Size	Program Memory Width	Program Memory Depth	Operating Temperature (Max)	Operating Temperature (Min)	Core Size (Bit Width)	Voltage - Supply (Vcc/Vdd) Minimum	Voltage - Supply (Vcc/Vdd) Maximum
Microchip Technology AVR32DB28-I/SP	21	8 bit	512	FLASH	Brown-out Detect POR PWM Reset WDT	9 count	12 bit	1 count	10 bit	4 K	8 bit	24 MHz	Through Hole	Internal	AVR	I2C SPI UART USART	7.62 mm	28-DIP 28-SPDIP	0.3 in	32 KB	8 bit	32 K	85 °C	-40 °C	8 Bit	1.8 V	5.5 V
Microchip Technology AVR32DB28-I/SS	21	8 bit	512	FLASH	Brown-out Detect POR PWM Reset WDT	9 count	12 bit	1 count	10 bit	4 K	8 bit	24 MHz	Surface Mount	Internal	AVR	I2C SPI UART USART	5.3 mm	28-SSOP	0.209 in	32 KB	8 bit	32 K	85 °C	-40 °C	8 Bit	1.8 V	5.5 V
Microchip Technology AVR32DB28T-I/SO	21	8 bit	512	FLASH	Brown-out Detect POR PWM Reset WDT	9 count	12 bit	1 count	10 bit	4 K	8 bit	24 MHz	Surface Mount	Internal	AVR	I2C SPI UART USART	7.5 mm	28-SOIC	0.295 in	32 KB	8 bit	32 K	85 °C	-40 °C	8 Bit	1.8 V	5.5 V
Microchip Technology AVR32DB28-E/SS	21	8 bit	512	FLASH	Brown-out Detect POR PWM Reset WDT	9 count	12 bit	1 count	10 bit	4 K	8 bit	24 MHz	Surface Mount	Internal	AVR	I2C SPI UART USART	5.3 mm	28-SSOP	0.209 in	32 KB	8 bit	32 K	125 °C	-40 °C	8 Bit	1.8 V	5.5 V
Microchip Technology AVR32DB28T-E/SS	21	8 bit	512	FLASH	Brown-out Detect POR PWM Reset WDT	9 count	12 bit	1 count	10 bit	4 K	8 bit	24 MHz	Surface Mount	Internal	AVR	I2C SPI UART USART	5.3 mm	28-SSOP	0.209 in	32 KB	8 bit	32 K	125 °C	-40 °C	8 Bit	1.8 V	5.5 V
Microchip Technology AVR32DB28-I/SO	21	8 bit	512	FLASH	Brown-out Detect POR PWM Reset WDT	9 count	12 bit	1 count	10 bit	4 K	8 bit	24 MHz	Surface Mount	Internal	AVR	I2C SPI UART USART	7.5 mm	28-SOIC	0.295 in	32 KB	8 bit	32 K	85 °C	-40 °C	8 Bit	1.8 V	5.5 V
Microchip Technology AVR32DB28-E/SO	21	8 bit	512	FLASH	Brown-out Detect POR PWM Reset WDT	9 count	12 bit	1 count	10 bit	4 K	8 bit	24 MHz	Surface Mount	Internal	AVR	I2C SPI UART USART	7.5 mm	28-SOIC	0.295 in	32 KB	8 bit	32 K	125 °C	-40 °C	8 Bit	1.8 V	5.5 V
Microchip Technology AVR32DB28-E/SP	21	8 bit	512	FLASH	Brown-out Detect POR PWM Reset WDT	9 count	12 bit	1 count	10 bit	4 K	8 bit	24 MHz	Through Hole	Internal	AVR	I2C SPI UART USART	7.62 mm	28-DIP 28-SPDIP	0.3 in	32 KB	8 bit	32 K	125 °C	-40 °C	8 Bit	1.8 V	5.5 V
Microchip Technology AVR32DB28T-I/SS	21	8 bit	512	FLASH	Brown-out Detect POR PWM Reset WDT	9 count	12 bit	1 count	10 bit	4 K	8 bit	24 MHz	Surface Mount	Internal	AVR	I2C SPI UART USART	5.3 mm	28-SSOP	0.209 in	32 KB	8 bit	32 K	85 °C	-40 °C	8 Bit	1.8 V	5.5 V
Microchip Technology AVR32DB28T-E/SO	21	8 bit	512	FLASH	Brown-out Detect POR PWM Reset WDT	9 count	12 bit	1 count	10 bit	4 K	8 bit	24 MHz	Surface Mount	Internal	AVR	I2C SPI UART USART	7.5 mm	28-SOIC	0.295 in	32 KB	8 bit	32 K	125 °C	-40 °C	8 Bit	1.8 V	5.5 V