Features

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

2.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

3.High Endurance Non-volatile Memory Segments

    ̶ 4/8/16/32KBytes of In-System Self-Programmable Flash program memory

    ̶ 256/512/512/1KBytes EEPROM

    ̶ 512/1K/1K/2KBytes Internal SRAM

    ̶ Write/Erase Cycles: 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

4.In-System Programming by On-chip Boot Program

5.True Read-While-Write Operation

     ̶ Programming Lock for Software Security

6.QTouch library support

    ̶ Capacitive touch buttons, sliders and wheels

     ̶ QTouch and QMatrix™ acquisition

     ̶ Up to 64 sense channels

7.Peripheral Features

   ̶ Two 8-bit Timer/Counters with Separate Pre scaler and Compare Mode

   ̶ One 16-bit Timer/Counter with Separate Pre scaler, Compare Mode, and Capture Mode

Real Time Counter with Separate Oscillator

   ̶ Six PWM Channels

   ̶ 8-channel 10-bit ADC in TQFP and VQFN package

8.Temperature Measurement

    ̶ 6-channel 10-bit ADC in SPDIP Package

9.Temperature Measurement

   ̶ Programmable Serial USART

   ̶ Master/Slave SPI Serial Interface

   ̶ Byte-oriented 2-wire Serial Interface (Philips I2C compatible)

   ̶ Programmable Watchdog Timer with Separate On-chip Oscillator

  ̶ On-chip Analog Comparator

  ̶ Interrupt and Wake-up on Pin Change

10. Special Microcontroller Features

  ̶ Power-on Reset and Programmable Brown-out Detection

  ̶ Internal Calibrated Oscillator

  ̶ External and Internal Interrupt Sources

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

11.I/O and Packages

    ̶ 23 Programmable I/O Lines

    ̶ 28-pin SPDIP, 32-lead TQFP, 28-pad VQFN and 32-pad VQFN

12.Operating Voltage:

     ̶ 1.8 – 5.5V

13.Temperature Range:

 -40°C to 85°C

14.Speed Grade:

   ̶ 0 – 4MHz@1.8 – 5.5V, 0 – 10MHz@2.7 – 5.5.V, 0 – 20MHz @ 4.5 – 5.5V

15.Power Consumption at 1MHz, 1.8V, 25°C

     ̶ Active Mode: 0.2mA

     ̶   Power-down Mode: 0.1µA

     • Power-save Mode: 0.75µA (Including 32kHz RTC)