| 型号 | SRAM (Kbytes) | Calibrated RC Oscillator | DAC Resolution (bits) | UART | Flash (Kbytes) | SPI |
|---|---|---|---|---|---|---|
| ATXMEGA64A1U-C7U | 4 | Yes | 12 | 8 | 64 Kbytes | 12 |
| ATXMEGA64A1U-C7UR | 4 | Yes | 12 | 8 | 64 Kbytes | 12 |
| ATXMEGA64A1U-CU | 4 | Yes | 12 | 8 | 64 Kbytes | 12 |
| ATXMEGA64A1U-CUR | 4 | Yes | 12 | 8 | 64 Kbytes | 12 |
| ATXMEGA64A3-AUR | 4 | Yes | 12 | 7 | 64 Kbytes | 10 |
| ATXMEGA64A3-MHR | 4 | Yes | 12 | 7 | 64 Kbytes | 10 |
| ATXMEGA64A3U-AU | 4 | Yes | 12 | 7 | 64 Kbytes | 10 |
| ATXMEGA64A3U-MH | 4 | Yes | 12 | 7 | 64 Kbytes | 10 |
| ATxmega64A4U | 4 | Yes | 12 | 5 | 64 Kbytes | 2 |
| ATxmega64B1 | 8 | Yes | 0 | 2 | 64 Kbytes | 3 |
| ATxmega64B3 | 4 | Yes | 0 | 1 | 64 Kbytes | 2 |
| ATXMEGA64C3-AU | 4 | Yes | 0 | 3 | 64 Kbytes | 5 |
| ATXMEGA64C3-AUR | 4 | Yes | 0 | 3 | 64 Kbytes | 5 |
| ATXMEGA64C3-MH | 4 | Yes | 0 | 3 | 64 Kbytes | 5 |
| ATXMEGA64C3-MHR | 4 | Yes | 0 | 3 | 64 Kbytes | 5 |
| ATXMEGA64D3-AUR | 4 | Yes | 0 | 3 | 64 Kbytes | 5 |
| ATXMEGA64D3-MHR | 4 | Yes | 0 | 3 | 64 Kbytes | 5 |
| ATxmega64D4 | 4 | Yes | 0 | 2 | 64 Kbytes | 4 |
| AT32UC3A0128-ALUR | 32 | Yes | 16 | 4 | 128 Kbytes | 6 |
| AT32UC3A0128-ALUT | 32 | Yes | 16 | 4 | 128 Kbytes | 6 |
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