Integrated IC with the following characteristic features:

• High performance and low power consumption with Atmel® AVR® 8-bit microcontroller
• Advanced RISC architecture
• 131 powerful instructions with most executed in one clock cycle
• 32 × 8 general-purpose working registers
• Full static operation
• Up to 16MIPS at 16MHz
• Built-in 2-cycle multiplier
• High endurance and non-volatile memory
• 32Kbytes program Flash memory, in-system programmable
• 1024Bytes EEPROM
• 2Kbytes internal SRAM
• Write/Erase cycles: 10,000 Flash / 100,000 EEPROM
• Data retention: 20 years at 85°C / 100 years at 25°C
• Optional boot code module with independent locking keys
• In-system programming via in-circuit boot program
• True Read-While-Write operation
• Generation of software security programming
• JTAG interface (Compliant with IEEE std. 1149.1)
• Boundary-scan capabilities according to JTAG standard
• Extensive in-circuit debugging support
• Flash, EEPROM, Fuses and Lock Bits programming via JTAG interface
• Peripheral features
• Two 8-bit Timer/Counters with separate prescalers and comparison operations
• One 16-bit Timer/Counter with separate prescaler, comparison mode and capture mode
• Real Time Counter with separate oscillator
• Four PWM channels
• 10-bit ADC with 8 single-ended channels
• 7 differential channels only in TQFP package
• 2 differential channels with programmable gain at 1x, 10x or 200x
• Two-wire serial interface byte-oriented
• Programmable serial USART
• SPI Master/Slave interface
• Programmable watchdog timer with separate in-circuit oscillator
• Analog comparator in-circuit
• Microcontroller special features
• Reset on power-up and brown-out detection
• Internal calibrated RC oscillator
• External and internal interrupt sources
• Six sleep modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby and Extended Standby
• I/O and Packages
• 32 programmable I/O lines
• 40-pin PDIP, 44-lead TQFP, and 44-pad QFN/MLF
• Operating voltages: 2.7V - 5.5V
• Speed: 0 - 16MHz
• Power consumption at 1MHz, 3V, 25°C:
  • Active: 0.6mA
  • Idle mode: 0.2mA
  • Sleep mode: < 1µA