Datasheet Atmel ATmega645-16MU

Features
• High Performance, Low Power Atmel® AVR® 8-Bit Microcontroller
• Advanced RISC Architecture • • • • • •
• •
• - 130 Powerful Instructions - Most Single Clock Cycle Execution
- 32 x 8 General Purpose Working Registers
- Fully Static Operation
- Up to 16MIPS Throughput at 16MHz
- On-Chip 2-cycle Multiplier
High Endurance Non-volatile Memory Segments
- In-System Self-programmable Flash Program Memory
• 32KBytes (ATmega325/ATmega3250)
• 64KBytes (ATmega645/ATmega6450)
- EEPROM
• 1Kbytes (ATmega325/ATmega3250)
• 2Kbytes (ATmega645/ATmega6450)
- Internal SRAM
• 2Kbytes (ATmega325/ATmega3250)
• 4Kbytes (ATmega645/ATmega6450)
- Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM
- Data retention: 20 years at 85°C/100 years at 25°C(1)
- Optional Boot Code Section with Independent Lock Bits
• In-System Programming by On-chip Boot Program …