• High performance, low power Atmel® AVR® 8-Bit Microcontroller
• Advanced RISC architecture
– 130 powerful instructions
– most single clock cycle execution
– 32 × 8 general purpose working registers
– Fully static operation
– Up to 16MIPS throughput at 16MHz (Atmel ATmega165PA/645P)
– Up to 20MIPS throughput at 20MHz (Atmel ATmega165A/325A/325PA/645A/3250A/3250PA/6450A/6450P)
– On-chip 2-cycle multiplier
• High endurance non-volatile memory segments – In-system self-programmable flash program memory
• 16KBytes (ATmega165A/ATmega165PA)
• 32KBytes (ATmega325A/ATmega325PA/ATmega3250A/ATmega3250PA)
• 64KBytes (ATmega645A/ATmega645P/ATmega6450A/ATmega6450P)