| 型号 | Max. Operating Frequency | 32kHz RTC | Calibrated RC Oscillator | UART | Timers | SPI |
|---|---|---|---|---|---|---|
| ATSAM3N2BA-AU | 48 MHz | Yes | Yes | 4 | 6 | 3 |
| ATSAM3N2BA-MU | 48 MHz | Yes | Yes | 4 | 6 | 3 |
| ATSAM3N2CA-AU | 48 MHz | Yes | Yes | 4 | 6 | 3 |
| ATSAM3N2CA-CU | 48 MHz | Yes | Yes | 4 | 6 | 3 |
| ATSAM3N4AA-AU | 48 MHz | Yes | Yes | 3 | 6 | 2 |
| ATSAM3N4AA-MU | 48 MHz | Yes | Yes | 3 | 6 | 2 |
| ATSAM3N4BA-AU | 48 MHz | Yes | Yes | 4 | 6 | 3 |
| ATSAM3N4BA-MU | 48 MHz | Yes | Yes | 4 | 6 | 3 |
| ATSAM3N4CA-AU | 48 MHz | Yes | Yes | 4 | 6 | 3 |
| ATSAM3N4CA-CU | 48 MHz | Yes | Yes | 4 | 6 | 3 |
| ATSAM3S16C | 100 MHz | Yes | Yes | 4 | 6 | 3 |
| ATSAM3S8B | 64 MHz | Yes | Yes | 4 | 3 | 3 |
| ATSAM3S8C | 64 MHz | Yes | Yes | 4 | 6 | 3 |
| ATSAM3SD8B | 64 MHz | Yes | Yes | 4 | 3 | 3 |
| ATSAM3SD8C | 64 MHz | Yes | Yes | 5 | 6 | 4 |
| ATSAM3X4C | 84 MHz | Yes | Yes | 4 | 9 | 4 |
| ATSAM3X4E | 84 MHz | Yes | Yes | 5 | 9 | 4 |
| ATSAM3X8C | 84 MHz | Yes | Yes | 4 | 9 | 4 |
| ATSAM3X8E | 84 MHz | Yes | Yes | 5 | 9 | 4 |
| ATSAM3S1AA-AU | 64 MHz | Yes | Yes | 3 | 3 | 2 |
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