Features
– ATMega328P Processor
Memory
– AVR CPU at up to 16 MHz
– 32KB Flash
– 2KB SRAM
– 1KB EEPROM
Security
– Power On Reset (POR)
– Brown Out Detection (BOD)
Peripherals
– 2x 8-bit Timer/Counter with a dedicated period register and compare channels
– 1x 16-bit Timer/Counter with a dedicated period register, input capture and compare channels
– 1x USART with fractional baud rate generator and start-of-frame detection
– 1x controller/peripheral Serial Peripheral Interface (SPI)
– 1x Dual mode controller/peripheral I2C
– 1x Analog Comparator (AC) with a scalable reference input
– Watchdog Timer with separate on-chip oscillator
– Six PWM channels
– Interrupt and wake-up on pin change
ATMega16U2 Processor
– 8-bit AVR® RISC-based microcontroller
Memory
– 16 KB ISP Flash
– 512B EEPROM
– 512B SRAM
– debugWIRE interface for on-chip debugging and programming
Power
– 2.7-5.5 volts