| 型号 | Resistive Touch Screen | FPU | DAC Resolution (bits) | UART | Crypto Engine | SPI |
|---|---|---|---|---|---|---|
| AT32UC3A3256AU | No | No | 16 | 4 | No | 6 |
| AT32UC3A4128 | No | No | 0 | 4 | No | 6 |
| AT32UC3A4128S | No | No | 0 | 4 | AES | 6 |
| AT32UC3A4256 | No | No | 0 | 4 | No | 6 |
| AT32UC3A4256S | No | No | 0 | 4 | AES | 6 |
| AT32UC3A464 | No | No | 0 | 4 | No | 6 |
| AT32UC3A464S | No | No | 0 | 4 | AES | 6 |
| AT32UC3B0128AU | No | No | 0 | 3 | No | 4 |
| AT32UC3B0512AU | No | No | 16 | 3 | No | 4 |
| AT32UC3C0128C-ALUR | No | Yes | 12 | 5 | No | 7 |
| AT32UC3C0128C-ALUT | No | Yes | 12 | 5 | No | 7 |
| AT32UC3C0256C-ALUR | No | Yes | 12 | 5 | No | 7 |
| AT32UC3C0256C-ALUT | No | Yes | 12 | 5 | No | 7 |
| AT32UC3C0512C-ALUR | No | Yes | 12 | 5 | No | 7 |
| AT32UC3C0512C-ALUT | No | Yes | 12 | 5 | No | 7 |
| AT32UC3C0512CAU | No | Yes | 12 | 5 | No | 7 |
| AT32UC3C064C-ALUR | No | Yes | 12 | 5 | No | 7 |
| AT32UC3C064C-ALUT | No | Yes | 12 | 5 | No | 7 |
| AT32UC3C1128C-AUR | No | Yes | 12 | 5 | No | 7 |
| AT32UC3C1128C-AUT | No | Yes | 12 | 5 | No | 7 |
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