AVR

Product Brief

Introduction

The AVR

DA family of microcontrollers is using the AVR

CPU with hardware multiplier, running at up to 24 MHz,

with 32/64/128 KB of Flash, 4/8/16 KB of SRAM, and 512 bytes of EEPROM in 28-, 32-, 48- or 64-pin packages. The

family uses the latest technologies from Microchip with a flexible and low-power architecture including Event System,

accurate analog features, advanced digital peripherals and Peripheral Touch Controller (PTC).

Features

• AVR

CPU:

– Running at up to 24 MHz

– Single-cycle I/O access

– Two-level interrupt controller

– Two-cycle hardware multiplier

– Supply voltage range: 1.8V to 5.5V

• Memories:

– 32/64/128 KB In-system self-programmable Flash memory

– 4/8/16 KB SRAM

– 512B EEPROM

– 32B of user row in nonvolatile memory that can keep data during chip-erase and be programmed while the

device is locked

– Write/erase endurance

• Flash 10,000 cycles

• EEPROM 100,000 cycles

– Data retention: 40 years at 55°C

• System:

– Power-on Reset (POR) circuit

– Brown-out Detector (BOD)

– Clock options

• High-precision internal High-Frequency Oscillator with selectable frequency up to 24 MHz (OSCHF)

– Auto-tuning for improved internal oscillator accuracy

• Internal PLL up to 48 MHz for high-frequency operation of Timer/Counter type D (PLL)

• 32.768 kHz ultra low-power internal oscillator (OSC32K)

• 32.768 kHz external crystal oscillator (XOSC32K)

• External clock input

– Single-pin Unified Program and Debug Interface (UPDI)

– Three sleep modes

• Idle, with all peripherals running for immediate wake-up

• Standby

– Configurable operation of selected peripherals

• Power-Down with full data retention

Product Brief

DS40002164B-page 1

• Peripherals:

– Up to two 16-bit Timer/Counter type A (TCA) with dedicated period register and three PWM channels

– Up to five 16-bit Timer/Counter type B (TCB) with input capture and simple PWM functionality

– One 12-bit Timer/Counter type D (TCD) optimized for power control

– One 16-bit Real-Time Counter (RTC) running from external crystal or internal oscillator

– Up to six USART with fractional Baud Rate Generator, auto-baud, and start-of-frame detection

– Two Master/Slave Serial Peripheral Interface (SPI)

– Up to two Two-Wire Interface (TWI) with dual address match

• Independent master and slave operation (dual mode)

• Philips I

C compatible

• Standard mode (Sm, 100 kHz)

• Fast mode (Fm, 400 kHz)

• Fast mode plus (Fm+, 1 MHz)

(1)

– Event System for CPU independent and predictable inter-peripheral signaling

– Configurable Custom Logic (CCL) with up to six programmable Look-up Tables (LUT)

– One 12-bit differential 130 ksps Analog-to-Digital Converter (ADC)

– Three Analog Comparators (ACs) with window compare functions

– One 10-bit Digital-to-Analog Converter (DAC)

– Up to three Zero-Cross Detectors (ZCD)

– Multiple voltage references (VREF)

• 1.024V

• 2.048V

• 2.500V

• 4.096V

– Peripheral Touch Controller (PTC) with Driven Shield+ and Boost Mode Technologies for capacitive touch

buttons, sliders, wheels and 2D surface.

• Up to 46 self-capacitance and 529 mutual-capacitance channels

– Automated Cyclic Redundancy Check (CRC) Flash memory scan

– Watchdog Timer (WDT) with Window mode, with a separate on-chip oscillator

– External interrupt on all general purpose pins

• I/O and Packages:

– Up to 55 programmable I/O pins

– 28-pin SPDIP, SSOP and SOIC

– 32-pin VQFN 5x5 mm and TQFP 7x7 mm

– 48-pin VQFN 6x6 mm and TQFP 7x7 mm

– 64-pin VQFN 9x9 mm and TQFP 10x10 mm

• Temperature Ranges:

– Industrial: -40°C to +85°C

– Extended: -40°C to +125°C

Note:

1. I

C Fm+ is only supported for above 2.7V.

AVR

DA Family Overview

The figure below shows the AVR

DA devices, laying out pin count variants and memory sizes:

• Vertical migration is possible without code modification, as these devices are fully pin and feature compatible

• Horizontal migration to the left reduces the pin count, and therefore, the available features

AVR

Product Brief

DS40002164B-page 2