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
- Speed Grades
- Power Consumption at 4 MHz, 3V, 25°C
- Active: 3.6 mA
- Idle mode: 1.0 mA
- Power-down mode: 0.5 μA