Microchip (Atmel) ATmega328P

8-bit AVR microcontroller with 32KB Flash, 2KB SRAM, 1KB EEPROM.

Electrical Specifications

ParameterValue
SRAM2 KB
Flash32 KB
EEPROM1 KB
I/O Pins23
Max Clock20 MHz
Operating Voltage1.8–5.5 V