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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 85C/ 100 years at 25C
– Optional Boot Code Section with Independent Lock Bits
• In-System Programming by On-chip Boot Program • True Read-While-Write Opera
ATMEGA640 Datasheet
