Features

• High-performance, Low-power AVR 8-bit Microcontroller

• Advanced RISC Architecture

– 130 powerful instructions - most single-clock cycle execution

– 32 x 8 general purpose working registers

– Fully static operation

– Up to 16 MIPS throughput at 16 MHz

– On-chip 2-cycle multiplier

• High Endurance Nonvolatile Memory segments

– 8 KB of In-System Self-programmable Flash program memory

– 512B EEPROM

– 1 KB 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

• In-system programming by on-chip boot program

• True read-while-write operation

– Programming lock for software security

• Microchip QTouch®

 library support

– Capacitive touch buttons, sliders and wheels

– QTouch and QMatrix acquisition

– Up to 64 sense channels

• Peripheral Features

– Two 8-bit timer/counters with separate prescaler, one compare mode

– One 16-bit timer/counter with separate prescaler, compare mode, and capture mode

– Real-time counter with separate oscillator

– Three PWM channels

– 8-channel ADC in TQFP and QFN/MLF package

• Eight channels 10-bit accuracy

– 6-channel ADC in PDIP package

• Six channels 10-bit accuracy

– Byte-oriented two-wire serial interface

– Programmable serial USART

– Master/slave SPI serial interface

– Programmable watchdog timer with separate on-chip oscillator

– On-chip analog comparator

• Special Microcontroller Features

– Power-on Reset and programmable Brown-out Detection

– Internal calibrated RC oscillator

– External and internal interrupt sources

– Five sleep modes: Idle, ADC noise reduction, power-save, power-down, and standby

• I/O and Packages

– 23 programmable I/O lines

– 28-lead PDIP, 32-lead TQFP, and 32-pad QFN/MLF

• Operating Voltages

– 2.7 - 5.5V

• Speed Grades

– 0 - 16 MHz

• Power Consumption at 4 MHz, 3V, 25°C

– Active: 3.6 mA

– Idle mode: 1.0 mA

– Power-down mode: 0.5 μA