ATMEGA1281 Datasheet | Atmel

Atmel ATmega640/V-1280/V-1281/V-2560/V-2561/V 8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash Features - High Performance, Low Power Atmel® AVR® 8-Bit Microcontroller - Advanced RISC Architecture - 135 Powerful Instructions - Most Single Clock Cycle Execution - 32 × 8 General Purpose Working Registers - Fully Static Operation - Up to 16 MIPS Throughput at 16MHz - On-Chip 2-cycle Multiplier - High Endurance Non-volatile Memory Segments - 64K/128K/256KBytes of In-System Self-Programmable Flash - 4Kbytes EEPROM - 8Kbytes Internal SRAM - Write/Erase Cycles:10,000 Flash/100,000 EEPROM - Data retention: 20 years at 85C/ 100 years at 25C - Optional Boot Code Section...