
Today, there are 2 major manufacturers of ATMEGA328P Microcontroller: ATMEL Corporation and Microchip Technology. In the list we have provided a Datasheet from each in PDF format. You can download by clicking on the PDF icon.
ATMEGA328P Microcontroller Characteristics
Program Memory Type | Flash |
Program Memory Size (KB) | 32 |
CPU Speed (MIPS/DMIPS) | 20 |
Data EEPROM (bytes) | 1024 |
Timers | 2 x 8-bit – 1 x 16-bit |
Stand alone PWM | 6 |
Number of ADCs | 0 |
ADC Channels | 8 |
Max ADC Resolution (bits) | 10 |
Number of Comparators | 1 |
Temp. Range Min. | -40 |
Temp. Range Max. | 85 |
Operation Voltage Max.(V) | 5.5 |
Operation Voltage Min.(V) | 1.8 |
Pin Count | 32 |
Low Power | Yes |
I2C | 1 -I2C |

In the datasheet for the ATMEGA328P Microcontroller you will find technical specifications, a complementary pair and all possible replacements.