Peripheral Overview
| Feature |
AVR32LA14 |
AVR32LA20 |
AVR32LA28 |
AVR32LA32 |
|---|---|---|---|---|
| Pins |
14 |
20 |
28 |
32 |
| Maximum frequency (MHz) | 20 | 20 | 20 | 20 |
| 16-bit Timer/Counter type B (TCB) | 2 | 2 | 2 | 2 |
| 16-bit Timer/Counter type E (TCE) | 1 | 1 | 1 | 1 |
| Real-Time Counter (RTC) | 1 | 1 | 1 | 1 |
| USART | 1 | 1 | 1 | 1 |
| SPI | 1 | 1 | 1 | 1 |
| TWI/I2C | 1(1) | 1(1) | 1(1) | 1(1) |
| 10-bit ADC (channels) | 1 (4) | 1 (10) | 1 (16) | 1 (20) |
| Analog Comparator (AC) | 1 | 1 | 1 | 1 |
| Peripheral Touch Controller (PTC) (Pins) | 1 (11) | 1 (17) | 1 (23) | 1 (27) |
| Configurable Custom Logic Look-up Table (CCL LUT) | 4 | 4 | 4 | 4 |
| Watchdog Timer (WDT) | 1 | 1 | 1 | 1 |
| Event System (EVSYS) channels | 4 | 4 | 4 | 4 |
| General Purpose I/O pins (input/output(2)) | 12/11 | 18/17 | 24/23 | 28/27 |
| PORT |
PA[1:0] |
PA[7:0] |
PA[7:0] |
PA[7:0] |
| External interrupts | 12 | 18 | 24 | 28 |
| CRCSCAN | 1 | 1 | 1 | 1 |
| Unified Program and Debug Interface (UPDI) | 1 | 1 | 1 | 1 |
Note:
- The TWI/I2C can operate simultaneously as a Host and Client on different pins.
- PF6/RESET pin is input only.