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ATMEGA32A-AUR

MCHPATMEGA32A-AUR

Microchip Technology
AVR AVR® ATmega Microcontroller IC 8-Bit 16MHz 32KB (16K x 16) FLASH 44-TQFP (10x10)
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Overview

The ATMEGA32A-AUR is a high-performance, low-power 8-bit AVR RISC-based microcontroller featuring 32KB of self-programmable flash memory and 2KB of SRAM. Operating at speeds up to 16MHz, it combines a rich instruction set with 32 general-purpose I/O lines and an on-chip 2-cycle multiplier. This device is designed to achieve throughput approaching 1 MIPS per MHz, allowing for optimized power consumption versus processing speed.

Why Choose This Part

The 44-TQFP package provides a high I/O-to-footprint ratio with 32 programmable pins. It offers a versatile power management system with six sleep modes, including a Power-down mode that consumes only 1uA. Its advanced RISC architecture executes most instructions in a single clock cycle, providing high efficiency for an 8-bit architecture.

Applications

Industrial Control Systems
Utilizing the 32 I/O pins and integrated timers for PLC-like logic and sensor monitoring.
Legacy System Upgrades
Providing a modern, lower-power drop-in for older ATmega32 designs requiring 5V or 3.3V operation.
Peripheral Controllers
Managing dedicated tasks like keypad scanning, LCD interfacing, and basic motor control via PWM.
Data Logging
Leveraging the 1KB of integrated EEPROM for non-volatile storage of configuration data and sensor logs.

Key Specifications

Speed 16MHz
RAM Size 2K x 8
Core Size 8-Bit
EEPROM Size 1K x 8
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Connectivity I2C, SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 32
Core Processor AVR
Package / Case 44-TQFP
Data Converters A/D 8x10b
Oscillator Type Internal
Program Memory Size 32KB (16K x 16)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 44-TQFP (10x10)
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V

Getting Started

Development is supported by the Microchip Studio IDE and the AVR-GCC toolchain. Engineers can program the device via the JTAG interface for on-chip debugging or using the In-System Programming (ISP) interface. Hardware evaluation is commonly performed using the ATMEGA324PB-XPRO evaluation kit for similar AVR core features or custom 44-pin TQFP breakout boards.

Also Consider

ATmega328P MCHPMicrochip Technology - A widely supported alternative with the same flash size but in a smaller 32-pin package for space-constrained designs.
SAM D21 MCHPMicrochip Technology - A 32-bit ARM Cortex-M0+ alternative for applications requiring significantly higher computational performance and more RAM.

Categories

Microcontrollers > AVR Microcontrollers > Microchip