AT32UC3L064-D3UR datasheet(4/825 Pages) ATMEL

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AT32UC3L064-D3UR Datasheet(PDF) 4 Page - ATMEL Corporation

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32099A–AVR32–06/09

AT32UC3L

The Pulse Width Modulation controller (PWMA) provides 8-bit PWM channels which can be syn-

chronized and controlled from a common timer. One PWM channel is available for each I/O pin

on the device, enabling applications that require multiple PWM outputs, such as LCD backlight

control. The PWM channels can operate independently, with duty cycles set independently from

each other, or in interlinked mode, with multiple channels changed at the same time.

The AT32UC3L also features many communication interfaces for communication intensive

applications like USART, SPI, or TWI.

A general purpose 9-channel ADC is provided, as well as eight analog comparators (AC). The

ADC can operate in 10-bit mode at full speed or in enhanced mode at reduced speed, offering

up to 12-bit resolution. The ADC also provides an internal temperature sensor input channel.

The analog comparators can be paired to detect when the sensing voltage is within or outside

the defined reference window.

The Capacitive Touch (CAT) module senses touch on external capacitive touch sensors, using

the QTouch technology. Capacitive touch sensors use no external mechanical components,

unlike normal push buttons, and therefore demand less maintenance in the user application.

The CAT module allows up to 17 touch sensors, or up to 18 by 8 matrix sensors to be interfaced.

One touch sensor can be configured to operate autonomously without software interaction,

allowing wakeup from sleep modes when activated.

The AT32UC3L integrates a class 2+ Nexus 2.0 On-Chip Debug (OCD) System, with non-intru-

sive real-time trace, full-speed read/write memory access, in addition to basic runtime control.

The NanoTrace interface enables trace feature for aWire- or JTAG-based debuggers. The sin-

gle-pin aWire interface allows all features available through the JTAG interface to be accessed

through the RESET pin, allowing the JTAG pins to be used for GPIO or peripherals.

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