Manufacturer Part Number
ATXMEGA128A4U-AU
Manufacturer
Microchip Technology
Introduction
Microcontroller from AVR XMEGA A4U Series designed for advanced embedded applications
Product Features and Performance
8/16-Bit AVR Core Processor
Speed of up to 32MHz
Advanced Connectivity with I2C, IrDA, SPI, UART/USART, USB
Rich Peripherals including Brown-out Detect/Reset, DMA, POR, PWM, WDT
34 Programmable I/O Pins
128KB FLASH Program Memory
2KB EEPROM
8KB Internal RAM
Multiple Data Converters: 12-bit A/D (12 channels), 12-bit D/A (2 channels)
Internal Oscillator for device operation
Efficient operation at -40°C to 85°C
Product Advantages
High processing speed with low power consumption
Enhanced analog features with multiple high-resolution A/D and D/A converters
Large program memory ideal for complex applications
Extensive communication interface support for versatile device connectivity
Robust peripheral set to handle intensive control tasks
Key Technical Parameters
Program Memory Size: 128KB (64K x 16)
Program Memory Type: FLASH
EEPROM Size: 2K x 8
RAM Size: 8K x 8
Core Size: 8/16-Bit
Number of I/O: 34
Voltage - Supply (Vcc/Vdd): 1.6V ~ 3.6V
Operating Temperature Range: -40°C to 85°C
Mounting Type: Surface Mount
44-TQFP Package for compact PCB design
Quality and Safety Features
Brown-out Detect/Reset for reliable operation under variable power conditions
Watchdog Timer (WDT) to prevent system hang-ups
Programmable Oscillation Reduction for safety and power conservation
Compatibility
Compatible with AVR development and debugging tools
Easily implemented in systems that require USB, UART, SPI, or I2C
Support for migration within XMEGA series for system upgrades
Application Areas
Industrial Automation
Consumer Electronics
Medical Devices
Automotive Systems
Internet of Things (IoT) applications
Product Lifecycle
Status: Active Product
Not nearing discontinuation, with support and replacements available
Several Key Reasons to Choose This Product
Comprehensive technical support and community resources from Microchip Technology
Robust mixed-signal capabilities for complex applications
High level of integration to minimize external components and reduce system cost
Ability to operate at wide temperature and voltage ranges for diverse environments
Ease of scalability and upgrade within the AVR XMEGA product family