| Features | ATmega328PB |
|---|---|
| Pin count | 32 |
| Flash (KB) | 32 |
| SRAM (KB) | 2 |
| EEPROM (KB) | 1 |
| General Purpose I/O pins | 27 |
| SPI | 2 |
| TWI (I2C) | 2 |
| USART | 2 |
| ADC | 10-bit 15 ksps |
| ADC channels | 8 |
| AC propagation delay | 400 ns (Typical) |
| 8-bit Timer/Counters | 2 |
| 16-bit Timer/Counters | 3 |
| PWM channels | 10 |
| PTC | Available |
| Clock Failure Detector (CFD) | Available |
| Output Compare Modulator (OCM1C2) | Available |