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AT32UC3A3128-ALUR application field and working principle

Embedded - Microcontrollers

The AT32UC3A3128-ALUR is a low power 32-bit microcontroller designed and manufactured by Atmel. It is part of the AVR32 family of microcontrollers. The AT32UC3A3128-ALUR is a highly versatile device, ideal for a wide range of applications such as automotive, industrial, consumer and communication. This microcontroller is built with a powerful 32-bit AVR Core, with up to 128kB SRAM, 128-pin package that enables best power consumption and a comprehensive and advance peripheral library.

Application Field

The AT32UC3A3128-ALUR are suitable for many low power embedded applications and offer low power consumption. It can be used in a wide range of applications such as automotive, industrial, consumer and communication. The device is a highly integrated multi-purpose embedded solution for applications such as Wireless, M2M, POS terminals and gateways, medical and consumer electronics, smart meters and many more.

In the automotive sector, this microcontroller is an ideal choice as it offers both flexibility and performance in developing highly reliable automotive applications such as advanced driver assistance systems (ADAS), body and convenience applications, powertrain and infotainment solutions.

In the industrial sector, it can be used in applications such as high reliability control systems, safety systems, secure industrial communications, turbo chargers, and many other industrial applications.

In consumer electronics, its power-saving embedded solutions cater perfectly to consumer devices such as smart thermostats, home automation, advanced audio/video solutions, such as Bluetooth and Audio systems.

In communication, it is used in applications like communication infrastructure equipment such as access points, home automation, advanced audio/video solutions and many more.

Working Principle

The AT32UC3A3128-ALUR is based on the AVR32 architecture and built on an AVR core. It operates at speeds up to 50 MHz and provides up to 128kB SRAM. It supports Atmel’s Advanced-ISA (Atmel AVR32 Instruction Set Architecture). This enables better power consumption, real-time performance, easier code portability and optimized code size. Each processor core has 32bit 32-bit registers, whose contents are freely loadable and accessible for use in operations.

The on-chip memory includes up to 128kB SRAM, 128kB flash memory, and up to 4KB EEPROM. It also includes a 16-bit peripheral bus and expansion bus that makes more efficient use of the data bus in the system. The device also features a powerful clock generator with three separate circuits and five PLLs.

The AT32UC3A3128-ALUR comes with an advanced peripheral library which provides support for CAN, USB, UART, SPI, I2C, Ethernet, LCD and Camera control. The device also provides on-chip analog-to-digital and digital-to-analog converters with up to 12-bit resolution. These converters enable greater accuracy and better performance in data acquisition and signal conditioning applications.

The device comes with several low power modes. It supports external interrupts, low-power idle mode and event system for power optimization. The event subsystem can be used for wake-up on external events and for deferred interrupt handler.

In addition, the device supports an on-chip real-time clock (RTC) and a low power 32KHz oscillator. The on-chip oscillators enable autonomous time keeping and reduce the amount of power consumption.

The AT32UC3A3128-ALUR can be used in small systems such as 8- and 16-bit microcontrollers. It is easy to program and has a powerful debugging interface. It also supports standard on-chip debugging and debugging through JTAG. The device is ideal for embedded system designs and facilitates cost optimization, efficient performance, robustness and high flexibility. The AT32UC3A3128-ALUR is the perfect choice for both industrial and commercial applications.

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