| 型号 | SRAM (Kbytes) | Calibrated RC Oscillator | DAC Resolution (bits) | UART | Flash (Kbytes) | SPI |
|---|---|---|---|---|---|---|
| ATXMEGA16D4-AU | 2 | Yes | 0 | 2 | 16 Kbytes | 4 |
| ATXMEGA16D4-CU | 2 | Yes | 0 | 2 | 16 Kbytes | 4 |
| ATXMEGA16D4-MH | 2 | Yes | 0 | 2 | 16 Kbytes | 4 |
| ATXMEGA192A3-AU | 16 | Yes | 12 | 7 | 192 Kbytes | 10 |
| ATXMEGA192A3-MH | 16 | Yes | 12 | 7 | 192 Kbytes | 10 |
| ATXMEGA192D3-AU | 16 | Yes | 0 | 3 | 192 Kbytes | 5 |
| ATXMEGA192D3-MH | 16 | Yes | 0 | 3 | 192 Kbytes | 5 |
| ATXMEGA256A3-AU | 16 | Yes | 12 | 7 | 256 Kbytes | 10 |
| ATXMEGA256A3B-AU | 16 | Yes | 12 | 6 | 256 Kbytes | 8 |
| ATXMEGA256A3B-MH | 16 | Yes | 12 | 6 | 256 Kbytes | 8 |
| ATXMEGA256A3-MH | 16 | Yes | 12 | 7 | 256 Kbytes | 10 |
| ATXMEGA256D3-AU | 16 | Yes | 0 | 3 | 256 Kbytes | 5 |
| ATXMEGA256D3-MH | 16 | Yes | 0 | 3 | 256 Kbytes | 5 |
| ATXMEGA32A4-AU | 4 | Yes | 12 | 5 | 32 Kbytes | 7 |
| ATXMEGA32A4-CU | 4 | Yes | 12 | 5 | 32 Kbytes | 7 |
| ATXMEGA32A4-CUR | 4 | Yes | 12 | 5 | 32 Kbytes | 7 |
| ATXMEGA32A4-MH | 4 | Yes | 12 | 5 | 32 Kbytes | 7 |
| ATXMEGA32D4-AU | 4 | Yes | 0 | 2 | 32 Kbytes | 4 |
| ATXMEGA32D4-CU | 4 | Yes | 0 | 2 | 32 Kbytes | 4 |
| ATXMEGA32D4-MH | 4 | Yes | 0 | 2 | 32 Kbytes | 4 |
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