| 型号 | SRAM (Kbytes) | Calibrated RC Oscillator | DAC Resolution (bits) | UART | Flash (Kbytes) | SPI |
|---|---|---|---|---|---|---|
| ATUC128L3U-AUT | 32 | Yes | 16 | 4 | 128 Kbytes | 1 |
| ATUC128L4U | 16 | Yes | 0 | 4 | 128 Kbytes | 1 |
| ATUC256L3U-AUR | 32 | Yes | 16 | 4 | 256 Kbytes | 1 |
| ATUC256L3U-AUT | 32 | Yes | 16 | 4 | 256 Kbytes | 1 |
| ATUC256L4U | 16 | Yes | 0 | 4 | 256 Kbytes | 1 |
| ATUC64D3 | 16 | Yes | 0 | 3 | 64 Kbytes | 1 |
| ATUC64D4-AUR | 16 | Yes | 0 | 3 | 64 Kbytes | 1 |
| ATUC64D4-AUT | 16 | Yes | 0 | 3 | 64 Kbytes | 1 |
| ATUC64D4-Z1UR | 16 | Yes | 0 | 3 | 64 Kbytes | 1 |
| ATUC64D4-Z1UT | 16 | Yes | 0 | 3 | 64 Kbytes | 1 |
| ATUC64L3U-AUR | 16 | Yes | 16 | 4 | 64 Kbytes | 1 |
| ATUC64L3U-AUT | 16 | Yes | 16 | 4 | 64 Kbytes | 1 |
| ATUC64L4U | 16 | Yes | 0 | 4 | 64 Kbytes | 1 |
| ATXMEGA128A1-AUR | 8 | Yes | 12 | 8 | 128 Kbytes | 12 |
| ATXMEGA128A1-C7UR | 8 | Yes | 12 | 8 | 128 Kbytes | 12 |
| ATXMEGA128A1-CUR | 8 | Yes | 12 | 8 | 128 Kbytes | 12 |
| ATXMEGA128A1U-AU | 8 | Yes | 12 | 8 | 128 Kbytes | 12 |
| ATXMEGA128A1U-AUR | 8 | Yes | 12 | 8 | 128 Kbytes | 12 |
| ATXMEGA128A1U-C7U | 8 | Yes | 12 | 8 | 128 Kbytes | 12 |
| ATXMEGA128A1U-C7UR | 8 | Yes | 12 | 8 | 128 Kbytes | 12 |
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