| 型号 | SRAM (Kbytes) | Calibrated RC Oscillator | DAC Resolution (bits) | UART | Flash (Kbytes) | SPI |
|---|---|---|---|---|---|---|
| AT32UC3A0128-CTUR | 32 | Yes | 16 | 4 | 128 Kbytes | 6 |
| AT32UC3A0128-CTUT | 32 | Yes | 16 | 4 | 128 Kbytes | 6 |
| AT32UC3A0256-ALUR | 64 | Yes | 16 | 4 | 256 Kbytes | 6 |
| AT32UC3A0256-ALUT | 64 | Yes | 16 | 4 | 256 Kbytes | 6 |
| AT32UC3A0256-CTUR | 64 | Yes | 16 | 4 | 256 Kbytes | 6 |
| AT32UC3A0256-CTUT | 64 | Yes | 16 | 4 | 256 Kbytes | 6 |
| AT32UC3A1128-AUR | 32 | Yes | 16 | 4 | 128 Kbytes | 6 |
| AT32UC3A1128-AUT | 32 | Yes | 16 | 4 | 128 Kbytes | 6 |
| AT32UC3A1256-AUR | 64 | Yes | 16 | 4 | 256 Kbytes | 6 |
| AT32UC3A1256-AUT | 64 | Yes | 16 | 4 | 256 Kbytes | 6 |
| AT32UC3A1512-AUR | 64 | Yes | 16 | 4 | 512 Kbytes | 6 |
| AT32UC3A1512-AUT | 64 | Yes | 16 | 4 | 512 Kbytes | 6 |
| AT32UC3A3128-ALUR | 128 | Yes | 16 | 4 | 128 Kbytes | 6 |
| AT32UC3A3128-ALUT | 128 | Yes | 16 | 4 | 128 Kbytes | 6 |
| AT32UC3A3128-CTUR | 128 | Yes | 16 | 4 | 128 Kbytes | 6 |
| AT32UC3A3128-CTUT | 128 | Yes | 16 | 4 | 128 Kbytes | 6 |
| AT32UC3A3128S-ALUR | 128 | Yes | 16 | 4 | 128 Kbytes | 6 |
| AT32UC3A3128S-ALUT | 128 | Yes | 16 | 4 | 128 Kbytes | 6 |
| AT32UC3A3128S-CTUR | 128 | Yes | 16 | 4 | 128 Kbytes | 6 |
| AT32UC3A3128S-CTUT | 128 | Yes | 16 | 4 | 128 Kbytes | 6 |
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