 
  | 型号 | Max. Operating Frequency | 32kHz RTC | Calibrated RC Oscillator | UART | Timers | SPI | 
|---|---|---|---|---|---|---|
| ATSAM3A4C | 84 MHz | Yes | Yes | 4 | 9 | 5 | 
| ATSAM3A8C | 84 MHz | Yes | Yes | 4 | 9 | 5 | 
| ATSAM3N00AA-AU | 48 MHz | Yes | Yes | 3 | 6 | 2 | 
| ATSAM3N00AA-MU | 48 MHz | Yes | Yes | 3 | 6 | 2 | 
| ATSAM3N00BA-AU | 48 MHz | Yes | Yes | 4 | 6 | 3 | 
| ATSAM3N00BA-MU | 48 MHz | Yes | Yes | 4 | 6 | 3 | 
| ATSAM3N0AA-AU | 48 MHz | Yes | Yes | 3 | 6 | 2 | 
| ATSAM3N0AA-MU | 48 MHz | Yes | Yes | 3 | 6 | 2 | 
| ATSAM3N0BA-AU | 48 MHz | Yes | Yes | 4 | 6 | 3 | 
| ATSAM3N0BA-MU | 48 MHz | Yes | Yes | 4 | 6 | 3 | 
| ATSAM3N0CA-AU | 48 MHz | Yes | Yes | 4 | 6 | 3 | 
| ATSAM3N0CA-CU | 48 MHz | Yes | Yes | 4 | 6 | 3 | 
| ATSAM3N1AA-AU | 48 MHz | Yes | Yes | 3 | 6 | 2 | 
| ATSAM3N1AA-MU | 48 MHz | Yes | Yes | 3 | 6 | 2 | 
| ATSAM3N1BA-AU | 48 MHz | Yes | Yes | 4 | 6 | 3 | 
| ATSAM3N1BA-MU | 48 MHz | Yes | Yes | 4 | 6 | 3 | 
| ATSAM3N1CA-AU | 48 MHz | Yes | Yes | 4 | 6 | 3 | 
| ATSAM3N1CA-CU | 48 MHz | Yes | Yes | 4 | 6 | 3 | 
| ATSAM3N2AA-AU | 48 MHz | Yes | Yes | 3 | 6 | 2 | 
| ATSAM3N2AA-MU | 48 MHz | Yes | Yes | 3 | 6 | 2 |