Datasheet Atmel ATmega325P

Features
• High Performance, Low Power 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 20 MIPS Throughput at 20 MHz
- On-Chip 2-cycle Multiplier
High Endurance Non-volatile Memory segments
- 32K Bytes of In-System Self-programmable Flash program memory
- 1K Bytes EEPROM
- 2K Bytes Internal SRAM
- Write/Erase cyles: 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
True Read-While-Write Operation
- Programming Lock for Software Security
JTAG (IEEE std. 1149.1 compliant) Interface
- Boundary-scan Capabilities According to the JTAG Standard
- Extensive On-chip Debug Support
- Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface …