Feature
High Performance, Low Power Atmel®AVR® 8-Bit Microcontroller Family:
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
High Endurance Non-volatile Memory Segments:
4K/8K/16KBytes of In-System Self-Programmable Flash program
Memory
256/512/512Bytes EEPROM
512/1K/1KBytes 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
Atmel® QTouch® Library Support
Capacitive Touch Buttons, Sliders and Wheels
QTouch and QMatrix® Acquisition
Up to 64 sense channels