| 型号 | SRAM (Kbytes) | Calibrated RC Oscillator | DAC Resolution (bits) | UART | Flash (Kbytes) | SPI |
|---|---|---|---|---|---|---|
| ATXMEGA64A1-AU | 4 | Yes | 12 | 8 | 64 Kbytes | 12 |
| ATXMEGA64A1-C7U | 4 | Yes | 12 | 8 | 64 Kbytes | 12 |
| ATXMEGA64A1-CU | 4 | Yes | 12 | 8 | 64 Kbytes | 12 |
| ATXMEGA64A3-AU | 4 | Yes | 12 | 7 | 64 Kbytes | 10 |
| ATXMEGA64A3-MH | 4 | Yes | 12 | 7 | 64 Kbytes | 10 |
| ATXMEGA64D3-AU | 4 | Yes | 0 | 3 | 64 Kbytes | 5 |
| ATXMEGA64D3-MH | 4 | Yes | 0 | 3 | 64 Kbytes | 5 |
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