2 Peripheral Overview
| Feature |
CM3204-020 | CM3204-028 CM6408-028 CM1216-028 | CM3204-032 CM6408-032 CM1216-032 |
CM6408-048 CM1216-048 |
CM6408-064 CM1216-064 |
|---|---|---|---|---|---|
| Pins | 20 | 28 | 32 | 48 | 64 |
| Max. frequency (MHz) | 24 | 24 | 24 | 24 | 24 |
| Generic Clock Controller (GCLK) | 4 | 4 | 4 | 4 | 4 |
| External 32.768 kHz Oscillator | 1 | 1 | 1 | 1 | 1 |
| Timer/Counter (TC) | 3 | 3 | 3 | 3 | 3 |
| Timer/Counter for Control Applications (TCC) | 1 | 1 | 1 | 1 | 1 |
| Real-Time Counter (RTC) | 1 | 1 | 1 | 1 | 1 |
| Serial Communication Interface (SERCOM) | 2 | 2 | 2 | 2 | 2 |
| ADC (channels) | 1 (11) | 1 (16) | 1 (20) | 1 (25) | 1 (29) |
| Analog Comparator (AC) | 2 | 2 | 2 | 2 | 2 |
| Peripheral Touch Controller (PTC) and (channels) | 1 (11) | 1 (16) | 1 (20) | 1 (25) | 1 (29) |
| Configurable Custom Logic Look-up Table (CCL LUT) | 4 | 4 | 4 | 4 | 4 |
| Watchdog Timer (WDT) | 1 | 1 | 1 | 1 | 1 |
| Direct Memory Access Channels (DMA) | 2 | 2 | 2 | 2 | 2 |
| Event System channels (EVSYS) | 4 | 4 | 4 | 4 | 4 |
| General Purpose I/O(1) | 17/16 | 23/22 | 27/26 | 42/41 | 56/55 |
| Multi-Voltage I/O (MVIO) | 3 | 4 | 4 | 8 | 8 |
| External Interrupts | 11 | 13 | 15 | 16 | 16 |
Note:
- The PA30/RESET pin is input only.