The Atmel® SAM3N00B is a member of the Atmel SAM3N series of microcontrollers based on the high-performance 32-bit ARM® Cortex™-M3 RISC processor. It operates at a maximum speed of 48MHz and features 16KB of Flash and 4KB of SRAM. The peripheral set includes an USART, two UARTs, three SPIs, two TWIs, PWM timer, six 16-bit timers, RTC and a 10-bit ADC. The SAM3N00B is ready for capacitive touch thanks to the Atmel QTouch® Library, offering an easy way to implement buttons, sliders and wheels. It operates from 1.62V to 3.6V and is available in 64-pin LQFP and QFN packages.