| PartNumber | ATXMEGA64A4U-MH | ATXMEGA64A4U-MHR | ATXMEGA64A4U-MN |
| Description | 8-bit Microcontrollers - MCU 44QFN, IND TEMP GREEN, 1.6-3.6V | 8-bit Microcontrollers - MCU AVR XMEGA 64KB FLASH 2KB EE, 4KB GREEN | 8-bit Microcontrollers - MCU XMG64A4U AVR XMEGA, 64KB FLASH, 2KB - QFN, 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 |
| Package / Case | VQFN-44 | VQFN-44 | - |
| Series | XMEGA A4U | XMEGA A4U | XMEGA A4U |
| Core | AVR | AVR | - |
| Data Bus Width | 8 bit | 8 bit | - |
| 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 | - | - |
| Packaging | Tray | Reel | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | - | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | - | - |
| Data ROM Size | 2 kB | - | - |
| Data ROM Type | EEPROM | - | - |
| Interface Type | 2-Wire, SPI, USART | - | - |
| Analog Supply Voltage | 1.6 V to 3.6 V | - | - |
| DAC Resolution | 12 bit | - | - |
| I/O Voltage | 1.6 V to 3.6 V | - | - |
| Number of ADC Channels | 12 Channel | - | - |
| Number of Timers/Counters | 5 Timer | - | - |
| Processor Series | XMEGA | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 360 | 4000 | 160 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | - | - |
| Supply Voltage Min | 1.6 V | - | - |
| Tradename | XMEGA | XMEGA | XMEGA |
| Watchdog Timers | Watchdog Timer | - | - |
| Unit Weight | 0.004769 oz | - | - |