| PartNumber | ATXMEGA64A3U-AU | ATXMEGA64A3U-ANR | ATXMEGA64A3U-AN |
| Description | 8-bit Microcontrollers - MCU AVR8 64KB FLSH 4KB | 8-bit Microcontrollers - MCU AVR XMEGA, 64KB FLASH, 2KB EE, 4KB - TQFP, 105C, Green 1.6-3.6V T&R | 8-bit Microcontrollers - MCU AVR XMEGA, 64KB FLASH, 2KB EE, 4KB - TQFP, 105C, Green 1.6-3.6V |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TQFP-64 | - | - |
| Series | XMEGA A3U | XMEGA A3U | XMEGA A3U |
| Core | AVR | - | - |
| Data Bus Width | 8 bit/16 bit | - | - |
| Maximum Clock Frequency | 32 MHz | - | - |
| Program Memory Size | 64 kB | - | - |
| Data RAM Size | 4 kB | - | - |
| Number of I/Os | 50 I/O | - | - |
| Operating Supply Voltage | 1.6 V to 3.6 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | - | - |
| Product | MCU | - | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data ROM Size | 2 kB | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 7 Timer | - | - |
| Processor Series | AVR XMEGA | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 90 | 2000 | 160 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | XMEGA | XMEGA | XMEGA |
| Unit Weight | 0.012720 oz | - | - |