Features

• High Performance, Low Power AVR® 8-bit Microcontroller
• Advanced RISC Architecture
  • 120 Powerful Instructions – Most Single Clock Cycle Execution
  • 32 x 8 General Purpose Working Registers
  • Fully Static Operation
• High Endurance, Non-volatile Memory Segments
  • 2K/4K/8K Bytes of In-System, Self-programmable Flash Program Memory
    • Endurance: 10,000 Write/Erase Cycles
  • 128/256/512 Bytes of In-System Programmable EEPROM
    • Endurance: 100,000 Write/Erase Cycles
  • 128/256/512 Bytes of Internal SRAM
  • Data Retention: 20 years at 85°C / 100 years at 25°C
  • Programming Lock for Self-programming Flash & EEPROM Data Security
• Peripheral Features
  • One 8-bit and One 16-bit Timer/Counter with Two PWM Channels, Each
  • 10-bit ADC
    • 8 Single-ended Channels
    • 12 Differential ADC Channel Pairs with Programmable Gain (1x / 20x)
  • Programmable Watchdog Timer with Separate On-chip Oscillator
  • On-chip Analog Comparator
  • Universal Serial Interface
• Special Microcontroller Features
  • debugWIRE On-chip Debug System
  • In-System Programmable via SPI Port
  • Internal and External Interrupt Sources
    • Pin Change Interrupt on 12 Pins
  • Low Power Idle, ADC Noise Reduction, Standby and Power-down Modes
  • Enhanced Power-on Reset Circuit
  • Programmable Brown-out Detection Circuit with Software Disable Function
  • Internal Calibrated Oscillator
  • On-chip Temperature Sensor
• I/O and Packages
  • Available in 20-pin QFN/MLF/VQFN, 14-pin SOIC, 14-pin PDIP and 15-ball UFBGA
  • Twelve Programmable I/O Lines
• Operating Voltage:
  • 1.8 – 5.5V
• Speed Grade:
  • 0 – 4 MHz @ 1.8 – 5.5V
  • 0 – 10 MHz @ 2.7 – 5.5V
  • 0 – 20 MHz @ 4.5 – 5.5V
• Industrial Temperature Range: -40°C to +85°C
• Low Power Consumption
  • Active Mode:
    • 210 µA at 1.8V and 1 MHz
  • Idle Mode:
    • 33 µA at 1.8V and 1 MHz
  • Power-down Mode:
    • 0.1 µA at 1.8V and 25°C