25+ Arduino Uno Pinout Atmega328P Pics. The pinout for the atmega328 is shown below. Run the programmer software and choose the appropriate hex file.

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The table below gives a description for each of the pins, along with their function. Port d has pins d0 to d7. It has total 28 pins out of which some are gpio (general purpose input / output) pins and some are power pins.

It has total 28 pins out of which some are gpio (general purpose input / output) pins and some are power pins.

Atmega328p is a 28 pin chip as shown in pin diagram above. Port d has pins d0 to d7. In contrast, pin change interrupts can be activated on any of the pins. It has total 28 pins out of which some are gpio (general purpose input / output) pins and some are power pins.