Arduino Nano A000005 Product Reference Manual page 2

Features
ATmega328 Microcontroller
High-performance low-power 8-bit processor
Achieve up to 16 MIPS for 16 MHz clock frequency
32 kB of which 2 KB used by bootloader
2 kB internal SRAM
1 kB EEPROM
32 x 8 General Purpose Working Registers
Real Time Counter with Separate Oscillator
Six PWM Channels
Programmable Serial USART
Master/Slave SPI Serial Interface
Power
Mini-B USB connection
6-20V unregulated external power supply (pin 30)
5V regulated external power supply (pin 27)
Sleep Modes
Idle
ADC Noise Reduction
Power-save
Power-down
Standby
Extended Standby
I/O
22 Digital
8 Analog
6 PWM Output
2 / 13 Arduino® Nano
Arduino® Nano
Modified: 29/06/2022