| 型号 | SRAM (Kbytes) | Calibrated RC Oscillator | DAC Resolution (bits) | UART | Flash (Kbytes) | SPI |
|---|---|---|---|---|---|---|
| ATXMEGA256A3B-AUR | 16 | Yes | 12 | 6 | 256 Kbytes | 8 |
| ATXMEGA256A3B-MHR | 16 | Yes | 12 | 6 | 256 Kbytes | 8 |
| ATXMEGA256A3BU-AU | 16 | Yes | 12 | 6 | 256 Kbytes | 8 |
| ATXMEGA256A3BU-MH | 16 | Yes | 12 | 6 | 256 Kbytes | 8 |
| ATXMEGA256A3-MHR | 16 | Yes | 12 | 7 | 256 Kbytes | 10 |
| ATXMEGA256A3U-AU | 16 | Yes | 12 | 7 | 256 Kbytes | 10 |
| ATXMEGA256A3U-MH | 16 | Yes | 12 | 7 | 256 Kbytes | 10 |
| ATXMEGA256C3-AU | 16 | Yes | 0 | 3 | 256 Kbytes | 5 |
| ATXMEGA256C3-AUR | 16 | Yes | 0 | 3 | 256 Kbytes | 5 |
| ATXMEGA256C3-MH | 16 | Yes | 0 | 3 | 256 Kbytes | 5 |
| ATXMEGA256C3-MHR | 16 | Yes | 0 | 3 | 256 Kbytes | 5 |
| ATXMEGA256D3-AUR | 16 | Yes | 0 | 3 | 256 Kbytes | 5 |
| ATXMEGA256D3-MHR | 16 | Yes | 0 | 3 | 256 Kbytes | 5 |
| ATXMEGA32A4-AUR | 4 | Yes | 12 | 5 | 32 Kbytes | 7 |
| ATXMEGA32A4-MHR | 4 | Yes | 12 | 5 | 32 Kbytes | 7 |
| ATXMEGA32A4U-AU | 4 | Yes | 12 | 5 | 32 Kbytes | 7 |
| ATXMEGA32A4U-CU | 4 | Yes | 12 | 5 | 32 Kbytes | 7 |
| ATXMEGA32A4U-MH | 4 | Yes | 12 | 5 | 32 Kbytes | 7 |
| ATXMEGA32C4-AU | 4 | Yes | 0 | 2 | 32 Kbytes | 4 |
| ATXMEGA32C4-AUR | 4 | Yes | 0 | 2 | 32 Kbytes | 4 |
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