Features 

High Performance, Low Power AVR® 8-Bit Microcontroller Family

• Advanced RISC Architecture

– 131 Powerful Instructions

– Most Single Clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

– Up to 20 MIPS Throughput at 20MHz

– On-Chip 2-Cycle Multiplier

• High Endurance Non-Volatile Memory Segments

– 32KBytes of In-System Self-Programmable Flash program memory

– 1KBytes EEPROM

– 2KBytes Internal SRAM

– Write/Erase Cycles: 10,000 Flash/100,000 EEPROM

– Data retention: 20 years at 85°C

– 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

• Special Microcontroller Features

– Power-On Reset and Programmable Brown-Out Detection

– Internal 8 MHz Calibrated Oscillator

– External and Internal Interrupt Sources

– Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby

– Clock Failure Detection Mechanism and Switch to Internal 8 MHz RC Oscillator in case of Failure

– Individual Serial Number to Represent a Unique ID

• I/O and Packages

– 27 Programmable I/O Lines

– 32-pin TQFP and 32-pin QFN/MLF

• Operating Voltage: – 1.8 - 5.5V

• Temperature Range: – -40°C to 105°C

• Speed Grade:

– 0 - 4MHz @ 1.8 - 5.5V

– 0 - 10MHz @ 2.7 - 5.5.V

– 0 - 20MHz @ 4.5 - 5.5V

• Power Consumption at 1MHz, 1.8V, 25°C

– Active Mode: 0.24mA

– Power-Down Mode: 0.2μA

– Power-Save Mode: 1.3μA (Including 32kHz RTC)