AT32UC3L064-ZAUR

Program Memory Type:	FLASH
Base Part Number:	AT32UC3L064
Supplier Device Package:	48-QFN (7x7)
Package / Case:	48-VFQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 9x12b
Voltage - Supply (Vcc/Vdd):	1.62 V ~ 3.6 V
RAM Size:	16K x 8
EEPROM Size:	--
Series:	AVR®32 UC3 L
Program Memory Size:	64KB (64K x 8)
Number of I/O:	36
Peripherals:	Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity:	I²C, SPI, UART/USART
Speed:	50MHz
Core Size:	32-Bit
Core Processor:	AVR
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

Atmel AT32UC3L064-ZAUR is a family of low power yet high performance microcontrollers targeting the embedded application product. It is one of the most advanced 32-bit microcontroller based on the latest technologies, featuring multiple power management modes, data transmission, communication interface and embedded ROM or Flash memory. This article will discuss the application field and working principle of AT32UC3L064-ZAUR microcontrollers, and how they are employed in embedded designs.

Application Field

AT32UC3L064-ZAUR microcontrollers are generally used in embedded systems such as medical, automotive, industrial and consumer electronics applications. Its high-performance core, low-power consumption, on-board Flash and extended features make AT32UC3L064-ZAUR ideal for battery operated, handheld and portable applications.In medical applications, AT32UC3L064-ZAUR can provide more power efficiency to process rich video and data, as well as reduce development time. It is also employed in communication technologies such as high data rate Zigbee and Bluetooth for wireless communication. In automotive applications, AT32UC3L064-ZAUR can be used for peripheral control such as for interior and exterior lighting and for monitoring. Other automotive applications include diagnosis control, keyless entry, airbags, and climate control. Industrial applications include various control of robots, automation and industrial machinery. Consumer electronics applications include handheld devices, smart phones, appliances and gaming systems.

Working Principle

AT32UC3L064-ZAUR is based on the 32-bit architecture of AVR Microcontroller and is usually configured with ARM Cortex-M3 core. The instruction set is optimized for performance and power efficiency, offering excellent performance and low power consumption. AT32UC3L064-ZAUR can operate at battery voltage and is designed to operate down to 2.7V-3.3V.AT32UC3L064-ZAUR features an array of communication interfaces including USB, SPI, I2C and UART. The controller includes an on-board Clock Generator for choosing an external low-jitter clock source or internal oscillator. The controller also has an embedded ROM or Flash memory which provides huge amount of nonvolatile program memory for applications. It also includes an array of Analog and Digital I/O interfaces to connect it to various sensors and other peripherals. The AVR UC3L series of microcontrollers also offers multiple power management modes. It includes an intelligent power manager (IPM) for optimized power consumption according to the application’s requirements. The role of IPM is to dynamically switch the operating modes of the microcontroller between full-active, sleep, low speed and low power modes depending on external stimulus or predefined criteria. The integrated version of AT32UC3L064-ZAUR also has a dedicated 110KB RAM, which is allocated on a separate core, and a dedicated Digital Signal Processor (DSP) that can be used for audio, motor control, and filtering applications.

Conclusion

The AT32UC3L064-ZAUR is a family of low power yet high performance microcontrollers designed for embedded applications, targeting medical, automotive, industrial and consumer electronics products. It features an array of communication interfaces such as SPI, I2C, and UART, and multiple power management modes for power efficiency. The embedded ROM or Flash memory, on-board Clock Generator, Intelligent Power Manager and dedicated DSP provide rich features for developing embedded applications.

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