| 器件型号 | 说明 |
| ATSAM3U1C | Cortex-M3 Microcontroller with 64KB Flash, HS USB, 100 Pins |
| ATSAM3U1E | Cortex-M3 Microcontroller with 64KB Flash, HS USB, 144 Pins |
| ATSAM3U2C | Cortex-M3 Microcontroller with 128KB Flash, HS USB, 100 Pins |
| ATSAM3U2E | Cortex-M3 Microcontroller with 128KB Flash, HS USB, 144 Pins |
| ATSAM3U4C | Cortex-M3 Microcontroller with 256KB Flash, HS USB, 100 Pins |
| ATSAM3U4E | Cortex-M3 Microcontroller with 256KB Flash, HS USB, 144 Pins |
