AT32UC3A1256 Datasheet | Atmel

Features - High Performance, Low Power 32-Bit Atmel® AVR® Microcontroller - pact Single-cycle RISC Instruction Set Including DSP Instruction Set - Read-Modify-Write Instructions and Atomic Bit Manipulation - Performing 1.49 DMIPS / MHz Up to 91 DMIPS Running at 66 MHz from Flash (1 Wait-State) Up to 49 DMIPS Running at 33MHz from Flash (0 Wait-State) - Memory Protection Unit - Multi-hierarchy Bus System - High-Performance Data Transfers on Separate Buses for Increased Performance - 15 Peripheral DMA Channels Improves Speed for Peripheral munication - Internal High-Speed Flash - 512K Bytes, 256K Bytes, 128K Bytes Versions - Single Cycle Access up to 33 MHz - Prefetch Buffer Optimizing Instruction Execution at Maximum Speed - 4ms Page Programming Time and 8ms Full-Chip Erase Time - 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 - 64K Bytes (512KB and 256KB Flash), 32K Bytes (128KB Flash) - External Memory Interface on AT32UC3A0 Derivatives - SDRAM / SRAM patible Memory Bus (16-bit Data and 24-bit Address Buses) - Interrupt Controller - Autovectored Low Latency Interrupt Service with Programmable Priority - System Functions - Power and Clock Manager Including Internal RC Clock and One 32KHz Oscillator - Two Multipurpose Oscillators and Two Phase-Lock-Loop (PLL) allowing Independant CPU Frequency from USB Frequency - Watchdog Timer, Real-Time Clock Timer - Universal Serial Bus...