ATXMEGA128A1-AU

Program Memory Type:	FLASH
Base Part Number:	ATXMEGA128
Supplier Device Package:	100-TQFP (14x14)
Package / Case:	100-TQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 16x12b, D/A 4x12b
Voltage - Supply (Vcc/Vdd):	1.6 V ~ 3.6 V
RAM Size:	8K x 8
EEPROM Size:	2K x 8
Series:	AVR® XMEGA® A1
Program Memory Size:	128KB (64K x 16)
Number of I/O:	78
Peripherals:	Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity:	EBI/EMI, I²C, IrDA, SPI, UART/USART
Speed:	32MHz
Core Size:	8/16-Bit
Core Processor:	AVR
Part Status:	Active
Packaging:	Tray

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Introduction

The Atmel ATXMEGA128A1-AU is a powerful and versatile microcontroller that is designed for use in a wide range of embedded applications. This microcontroller has features such as a high-performance RISC architecture that enables high performance data handling, low power dissipation, and on-chip debug support. It also offers many peripheral functions, such as a USB host and device interface, Real Time Clock, EEPROM memory, and extensive system timing facilities. This article will provide an overview of the application field and working principle of the ATXMEGA128A1-AU microcontroller.

Application Field

The ATXMEGA128A1-AU is well suited for embedded systems that require a highly flexible design with a wide range of peripherals and low power dissipation. It is well suited for applications such as data logging, industrial automation, home automation, automotive electronics, medical devices, and remote control. Its extensive peripheral set makes it easy to implement multiple protocols and create powerful and intelligent applications. The microcontroller also supports both the Universal Serial Bus (USB) and CANbus for communicating between devices. It has a high-speed USB 2.0 technology connection for up to 480Mbps data transfers. This ensures that communication between devices is fast, reliable, and secure. The CAN (Controller Area Network) bus can be used to connect sensors, actuators, and other CAN network nodes to create a distributed system. The ATXMEGA128A1-AU also supports advanced security features and can be used to secure data transmissions, such as digital signatures and encryption. It has a hardware based Accurate Real-Time Clock (RTC) module which can be used to provide the timestamping capability required for secure digital signatures.

Performance

The ATXMEGA128A1-AU microcontroller provides high performance data processing and a variety of peripherals which enable multiple use cases. It features hardware-accelerated inter-processor communication, which provides low-latency, high-throughput communication between the processor and connected peripherals. This makes the microcontroller well suited for applications that require fast data handling or real-time response. The ATXMEGA128A1-AU also provides a rich set of system timing facilities. It has several timers such as timer/counters, Input Capture Timers (ICTs) and Real-Time Interval Timers (RTITs). These allow for complex data handling and synchronous operations, such as Pulse Width Modulation (PWM) or multi-channel data acquisition.

Power Management

The ATXMEGA128A1-AU features a low-power sleep mode, which can be used to save energy when the processor is idle. The sleep mode reduces current consumption to less than 1 mA. This allows the microcontroller to remain functional while consuming less power. The ATXMEGA128A1-AU also provides a power-on reset and brown-out detection circuits that enable power-up in a predictable state and detect low voltage levels to prevent system crashes. The microcontroller can also enter Idle mode and Stop mode to further reduce sleep current consumption.

Development Tools

The ATXMEGA128A1-AU is supported by the Atmel Studio development software, which provides a comprehensive development environment and debugging capabilities. The integrated Atmel Data Visualiser tool allows the developer to graphically view and analyse the data in real-time. The microcontroller can also be programmed with the Atmel ICE debugger, which provides real-time source-level debugging and offers best-in-class program execution trace abilities.

Conclusion

The ATXMEGA128A1-AU is an extremely versatile and powerful microcontroller that is well suited for use in embedded systems in a wide range of applications. It provides a high performance RISC architecture, low power consumption and extensive peripheral support. In addition, its system timing facilities, USB and CANbus support, security features and development tools make it an ideal choice for secure, high-performance embedded systems.

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