ATMEGA16U2-AU - Microchip Technology

Manufacturer Part Number

ATMEGA16U2-AU

Manufacturer

Microchip Technology

Introduction

The ATMEGA16U2-AU is a low-power CMOS 8-bit microcontroller based on the AVR® enhanced RISC architecture.

Product Features and Performance

Advanced RISC architecture

Efficient C compiler code density

In-system programmable Flash

Endurance of 10,000 write/erase cycles for Flash and 100,000 for EEPROM

Data retention of 20 years at 85°C or 100 years at 25°C

Product Advantages

Low power consumption

Enhanced power-on reset circuit

Programmable brown-out detection circuit

Internal calibrated oscillator for accurate timing without external components

Full speed USB 2.0 support

Key Technical Parameters

Core Size: 8-Bit

Speed: 16MHz

Connectivity: SPI, UART/USART, USB

Peripherals: Brown-out Detect/Reset, POR, PWM, WDT

Number of I/O: 22

Program Memory Size: 16KB (8K x 16)

Program Memory Type: FLASH

EEPROM Size: 512 x 8

RAM Size: 512 x 8

Voltage Supply: 2.7V ~ 5.5V

Quality and Safety Features

Extended operating temperature range: -40°C ~ 85°C

Overvoltage and short-circuit protection

Internal watchdog timer with dedicated on-chip oscillator for reliable operation without external parts

Compatibility

Can interface with SPI, I2C or USB devices

Compatible with ATmega family pinout and peripherals for easy migration

Application Areas

Consumer Electronics

Industrial Automation

Motor Control

Utility Metering

Home Appliances

Product Lifecycle

Active product status, not near discontinuation

Support and updates readily available

Long term supply assured by Microchip Technology

Several Key Reasons to Choose This Product

Feature-rich ARM Cortex-M0+ 32-bit MCU

Robust peripheral set for diverse applications

Efficient power management for battery-powered devices

Community support and extensive Microchip Technology ecosystem

Competitive pricing within the 32-bit MCU market

Availability of training and development tools from Microchip Technology