| Pins |
14 |
| SRAM |
2 KB |
| Flash |
16 KB |
| EEPROM |
256B |
| Max. frequency (MHz) |
20 |
| 16-bit Timer/Counter type A (TCA) |
1 |
| 16-bit Timer/Counter type B (TCB) |
2 |
| 12-bit Timer/Counter type D (TCD) |
1 |
| Real-Time Counter (RTC) |
1 |
| USART |
1 |
| SPI |
1 |
| TWI (I2C) |
1 |
| ADC |
2 |
| ADC channels |
10+4 |
| DAC |
3 |
| AC |
3 |
| Peripheral Touch Controller (PTC)(1) |
1 |
| PTC number of self capacitance
channels(1) |
6XY |
| PTC number of mutual capacitance
channels(1) |
9 |
| Configurable Custom Logic |
1 |
| Window Watchdog |
1 |
| Event System channels |
6 |
| General purpose I/O |
12 |
| External interrupts |
12 |
| CRCSCAN |
1 |