| PartNumber | ATXMEGA64A4U-CUR | ATXMEGA64A4U-CU | ATXMEGA64A4U-CUK |
| Description | 8-bit Microcontrollers - MCU AVR XMEGA 64KB FLASH 2KB EE, 4KB GREEN | 8-bit Microcontrollers - MCU 49VFBGA, IND TEMP GREEN, 1.6-3.6V | IC MCU 8/16BIT 64KB FLASH 49BGA AVR XMEGA |
| Manufacturer | Microchip | Microchip | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Package / Case | VFBGA-49 | VFBGA-49 | - |
| Series | XMEGA A4U | XMEGA A4U | - |
| Core | AVR | AVR | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Packaging | Reel | Tray | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 6000 | 490 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Tradename | XMEGA | XMEGA | - |
| Mounting Style | - | SMD/SMT | - |
| Maximum Clock Frequency | - | 32 MHz | - |
| Program Memory Size | - | 64 kB | - |
| Data RAM Size | - | 4 kB | - |
| ADC Resolution | - | 12 bit | - |
| Number of I/Os | - | 34 I/O | - |
| Operating Supply Voltage | - | 1.6 V to 3.6 V | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Product | - | MCU | - |
| Program Memory Type | - | Flash | - |
| Data RAM Type | - | SRAM | - |
| Data ROM Size | - | 2 kB | - |
| Data ROM Type | - | EEPROM | - |
| Interface Type | - | I2C, SPI, USART, USB | - |
| DAC Resolution | - | 12 bit | - |
| Number of ADC Channels | - | 12 Channel | - |
| Number of Timers/Counters | - | 5 x 16 bit | - |
| Processor Series | - | AVR XMEGA | - |
| Supply Voltage Max | - | 3.6 V | - |
| Supply Voltage Min | - | 1.6 V | - |
| Watchdog Timers | - | Watchdog Timer | - |