AT32UC3A3128S 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 up to 1.51DMIPS/MHz - Up to 126 DMIPS Running at 84MHz from Flash (1 Wait-State) - Up to 63 DMIPS Running at 42MHz from Flash (0 Wait-State) - Memory Protection Unit - Multi-Layer Bus System - High-Performance Data Transfers on Separate Buses for Increased Performance - 8 Peripheral DMA Channels (PDCA) Improves Speed for Peripheral munication - 4 generic DMA Channels for High Bandwidth Data Paths - Internal High-Speed Flash - 256KBytes, 128KBytes, 64KBytes versions - Single-Cycle Flash Access up to 36MHz - Prefetch Buffer Optimizing Instruction Execution at Maximum Speed - 4 ms 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 - 64KBytes Single-Cycle Access at Full Speed, Connected to CPU Local Bus - 64KBytes (2x32KBytes with independent access) on the Multi-Layer Bus System - 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), - Watchdog Timer, Real-Time Clock Timer - External Memories - Support SDRAM, SRAM, Nand Flash (1-bit and 4-bit ECC), pact...