• Part: AT32UC3A4128S
  • Description: 32-bit AVR Microcontroller
  • Category: Microcontroller
  • Manufacturer: Atmel
  • Size: 6.26 MB
AT32UC3A4128S Datasheet (PDF) Download
Atmel
AT32UC3A4128S

Key Features

  • High Performance, Low Power 32-bit Atmel® AVR® Microcontroller - Compact 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 Communication - 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, NandFlash (1-bit and 4-bit ECC), Compact Flash - Up to 66 MHz
  • External Storage device support - MultiMediaCard (MMC V4.3), Secure-Digital (SD V2.0), SDIO V1.1 - CE-ATA V1.1, FastSD, SmartMedia, Compact Flash - Memory Stick: Standard Format V1.40, PRO Format V1.00, Micro - IDE Interface