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
  • Up to 20 MIPS Througput at 20 MHz
• High Endurance Non-volatile Memory segments
  • 1K Bytes of In-System Self-programmable Flash program memory
  • 64 Bytes EEPROM
  • 64 Bytes Internal SRAM
  • Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
  • Data retention: 20 Years at 85°C/100 Years at 25°C (see page 6)
  • Programming Lock for Self-Programming Flash & EEPROM Data Security
• Peripheral Features
  • One 8-bit Timer/Counter with Prescaler and Two PWM Channels
  • 4-channel, 10-bit ADC with Internal Voltage Reference
  • Programmable Watchdog Timer with Separate On-chip Oscillator
  • On-chip Analog Comparator
• Special Microcontroller Features
  • debugWIRE On-chip Debug System
  • In-System Programmable via SPI Port
  • External and Internal Interrupt Sources
  • Low Power Idle, ADC Noise Reduction, and Power-down Modes
  • Enhanced Power-on Reset Circuit
  • Programmable Brown-out Detection Circuit with Software Disable Function
  • Internal Calibrated Oscillator
• I/O and Packages
  • 8-pin PDIP/SOIC: Six Programmable I/O Lines
  • 10-pad MLF: Six Programmable I/O Lines
  • 20-pad MLF: Six 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
• Low Power Consumption
  • Active Mode:
    • 190 µA at 1.8 V and 1 MHz
  • Idle Mode:
    • 24 µA at 1.8 V and 1 MHz