Microchip AT32UC3L0256-AUT, 32bit AVR Microcontroller, AT32, 50MHz, 256 kB Flash, 48-Pin TQFP

The high-performance 32-bit AVR® UC3 RISC microcontroller is designed for cost-sensitive embedded applications that require low power consumption, high code density, and high performance. The microcontroller's MPU and fast, flexible interrupt controller support the latest real-time operating systems.

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