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AVR16DU28
  • AVR16DU28
  • AVR16DU28
  • AVR16DU28

AVR16DU28

In Production

AVR® DU Family The new AVR® DU 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 16 KB, 32 KB, and 64 KB Flash variants in 14 to 32-pin package options. The AVR® DU family is designed to bring real-time control and USB 2.0 Full Speed device support to applications including industrial control, home appliance products, automotive, and Internet of Things (IoT). The AVR DU support crystal-less USB operation, and includes an optional internal 3.3V voltage regulator.The family uses the latest Core Independent Peripherals with low-power features and 5V operation for increased noise immunity. The Event System, Configurable Custom Logic (CCL), along with analog peripherals like 10-b...

Microchip Technology AVR16DU28 Product Info

16 April 2026 0

Parameters

Max ADC Resolution (bits)

10

Max ADC Sampling Rate (ksps)

130

Number of ADCs

1

Internal Oscillator Active Clock Tuning

Yes

Number of Comparators

1

Data EEPROM (bytes)

256

Operation Voltage Max.(V)

5.5

OperationVoltageMin

1.8

RAM (bytes)

2048

Program Memory Size (KB)

16

Low Power

Yes

# of Channels

17

Pincount

28

Stand alone PWM

3

Zero Cross Detect

0

Architecture

8

Internal Voltage Reference (Bandgap)

Yes

Configurable Logic Cell (CLC/CCL)

1

Configurable Logic Cell Modules (CLC /CCL) Type

CCL

CPU

8-bit AVR MCU

CPU Speed (MIPS/DMIPS)

24

Debug Interface

UPDI

Diff ADC Inputs

No

Max 16-Bit Digital Timers

3 x 16-bit

Event System Channels

6

Family

8-bit MCU

Focus

Yes

I2C

1

I/O Pins Max

21

Key Differences

USB

Maximum Speed

24

Number of PWM Time Bases

1

Number of Cores

1

Internal Oscillator

Yes

Output Compare Channels

5

Brown-Out Reset

Programmable BOR

Low Voltage Detection

Programmable LVD

Include in Focus Product Selector Guide

Yes

PWM Max Resolution (Bits)

16

Part Family

AVR DU

Part Prefix

AVR

RAM (KB)

2

SPI

1

Bootload capable

Yes

Temp. Sensor

Yes

Timers

3

U(S)ART

2

USB

Full Speed

Number of USB Modules

1

USB Active Clock Tuning

Yes

Windowed Watch Dog Timer (WWDT)

Yes

Peripheral Pin Select / Pin Muxing

Yes

Input Capture

Yes

packagePins

28

Power On Reset

Yes

Standalone Output Compare/ Standard PWM

3

TempRange Min

-40

TempRange Max

85

Features

    High-Performance AVR RISC CPU with Hardware Multiplier
  • Running up to 24 MHz
  • External High-Frequency Oscillator
  • Single Cycle I/O Access
  • Two-level Interrupt Controller
  • Sleep Modes: Idle, Standby, Power-down
  • Event System (EVSYS)
  • Configurable Custom Logic (CCL)
  • Single pin programming and debugging interface (UPDI)

Description

AVR® DU Family

The new AVR® DU 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 16 KB, 32 KB, and 64 KB Flash variants in 14 to 32-pin package options. The AVR® DU family is designed to bring real-time control and USB 2.0 Full Speed device support to applications including industrial control, home appliance products, automotive, and Internet of Things (IoT). The AVR DU support crystal-less USB operation, and includes an optional internal 3.3V voltage regulator.

The family uses the latest Core Independent Peripherals with low-power features and 5V operation for increased noise immunity. The Event System, Configurable Custom Logic (CCL), along with analog peripherals like 10-bit ADC and comparator.


AVR16DU28

The AVR16DU28 will be available in SPDIP, SSOP and VQFN package options running at up to 24 MHz and with 16 KB Flash, 2 KB SRAM, and 256B of EEPROM.

The AVR16DU28 product support one USB 2.0 Full Speed Device with 16 endpoints each with one input and one output endpoint for up to 32 total endpoints. The USB module has built in DMA access to internal SRAM for improved throughput.


 

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