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AT32UC3L0128

32-bit Atmel AVR Microcontroller

Atmel Corporation 

Features

• High-performance, Low-power 32-bit Atmel® AVR® Microcontroller

– Compact Single-cycle RISC Instruction Set Including DSP Instructions

– Read-modify-write Instructions and Atomic Bit Manipulation

– Performance

• Up to 64DMIPS Running at 50MHz from Flash (1 Flash Wait State)

• Up to 36DMIPS Running at 25MHz from Flash (0 Flash Wait State)

– Memory Protection Unit (MPU)

• Secure Access Unit (SAU) providing User-defined Peripheral Protection

• picoPower® Technology for Ultra-low Power Consumption

• Multi-hierarchy Bus System

– High-performance Data Transfers on Separate Buses for Increased Performance

– 12 Peripheral DMA Channels Improve Speed for Peripheral Communication

• Internal High-speed Flash

– 256Kbytes and 128Kbytes Versions

– Single-cycle Access up to 25MHz

– FlashVault Technology Allows Pre-programmed Secure Library Support for End

User Applications

– Prefetch Buffer Optimizing Instruction Execution at Maximum Speed

– 100,000 Write Cycles, 15-year Data Retention Capability

– Flash Security Locks and User-defined Configuration Area

• Internal High-speed SRAM, Single-cycle Access at Full Speed

– 32Kbytes

• Interrupt Controller (INTC)

– Autovectored Low-latency Interrupt Service with Programmable Priority

• External Interrupt Controller (EIC)

• Peripheral Event System for Direct Peripheral to Peripheral Communication

• System Functions

– Power and Clock Manager

– SleepWalking Power Saving Control

– Internal System RC Oscillator (RCSYS)

– 32 KHz Oscillator

– Multipurpose Oscillator, Phase Locked Loop (PLL), and Digital Frequency Locked

Loop (DFLL)

• Windowed Watchdog Timer (WDT)

• Asynchronous Timer (AST) with Real-time Clock Capability

– Counter or Calendar Mode Supported

• Frequency Meter (FREQM) for Accurate Measuring of Clock Frequency

• Six 16-bit Timer/Counter (TC) Channels

– External Clock Inputs, PWM, Capture, and Various Counting Capabilities

• PWM Channels on All I/O Pins (PWMA)

– 8-bit PWM with a Source Clock up to 150MHz

• Four Universal Synchronous/Asynchronous Receiver/Transmitters (USART)

– Independent Baudrate Generator, Support for SPI

– Support for Hardware Handshaking

• One Master/Slave Serial Peripheral Interface (SPI) with Chip Select Signals

– Up to 15 SPI Slaves can be Addressed

32-bit Atmel

AVR

Microcontroller

AT32UC3L0256

AT32UC3L0128

32145C–06/2013

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