| 型号 | SRAM (Kbytes) | Calibrated RC Oscillator | DAC Resolution (bits) | UART | Flash (Kbytes) | SPI |
|---|---|---|---|---|---|---|
| AT32UC3A3256-ALUR | 128 | Yes | 16 | 4 | 256 Kbytes | 6 |
| AT32UC3A3256-ALUT | 128 | Yes | 16 | 4 | 256 Kbytes | 6 |
| AT32UC3A3256-CTUR | 128 | Yes | 16 | 4 | 256 Kbytes | 6 |
| AT32UC3A3256-CTUT | 128 | Yes | 16 | 4 | 256 Kbytes | 6 |
| AT32UC3A3256S-ALUR | 128 | Yes | 16 | 4 | 64 Kbytes | 6 |
| AT32UC3A3256S-ALUT | 128 | Yes | 16 | 4 | 256 Kbytes | 6 |
| AT32UC3A3256S-CTUR | 128 | Yes | 16 | 4 | 64 Kbytes | 6 |
| AT32UC3A3256S-CTUT | 128 | Yes | 16 | 4 | 256 Kbytes | 6 |
| AT32UC3A364-ALUR | 128 | Yes | 16 | 4 | 64 Kbytes | 6 |
| AT32UC3A364-ALUT | 128 | Yes | 16 | 4 | 64 Kbytes | 6 |
| AT32UC3A364-CTUR | 128 | Yes | 16 | 4 | 64 Kbytes | 6 |
| AT32UC3A364-CTUT | 128 | Yes | 16 | 4 | 64 Kbytes | 6 |
| AT32UC3A364S-ALUR | 128 | Yes | 16 | 4 | 64 Kbytes | 6 |
| AT32UC3A364S-ALUT | 128 | Yes | 16 | 4 | 64 Kbytes | 6 |
| AT32UC3A364S-CTUR | 128 | Yes | 16 | 4 | 64 Kbytes | 6 |
| AT32UC3A364S-CTUT | 128 | Yes | 16 | 4 | 64 Kbytes | 6 |
| AT32UC3B0128-A2UR | 32 | Yes | 0 | 3 | 128 Kbytes | 4 |
| AT32UC3B0128-A2UT | 32 | Yes | 0 | 3 | 128 Kbytes | 4 |
| AT32UC3B0128-Z2UR | 32 | Yes | 0 | 3 | 128 Kbytes | 4 |
| AT32UC3B0128-Z2UT | 32 | Yes | 0 | 3 | 128 Kbytes | 4 |
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