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ATUC256L4U

ATMEL
Part Number ATUC256L4U
Manufacturer ATMEL
Description 32-bit Atmel AVR Microcontroller
Published Jan 11, 2016
Detailed Description Features • High-performance, Low-power 32-bit Atmel® AVR® Microcontroller – Compact Single-cycle RISC Instruction Set In...
Datasheet PDF File ATUC256L4U PDF File

ATUC256L4U
ATUC256L4U

Overview
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, 128Kbytes, and 64Kbytes 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 (256Kbytes and 128Kbytes Flash) and 16Kbytes (64Kbytes Flash) • 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 • Universal Serial Bus (USBC) – Full Speed and Low Speed USB Device Support – Multi-packet Ping-pong Mode • Six 16-bit Timer/Counter (TC) Chann...


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