| PartNumber | ATXMEGA256D3-MHR | ATXMEGA256D3-MH | ATXMEGA256D3-MN |
| Description | 8-bit Microcontrollers - MCU 256KB FL 4KB EE 16K SRAM IND 1.6-3.6V | 8-bit Microcontrollers - MCU 256K FLASH;4K EE;16K SRAM;1.6-3.6V;32MHz | 8-bit Microcontrollers - MCU AVR XMEGA, 256KB FLASH, 4KB EE, 16KB SRAM - 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 |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | VQFN-64 | QFN-64 | - |
| Series | XMEGA D3 | XMEGA D3 | XMEGA D3 |
| Core | AVR | AVR | - |
| Data Bus Width | 8 bit/16 bit | 8 bit/16 bit | - |
| Maximum Clock Frequency | 32 MHz | 32 MHz | - |
| Program Memory Size | 256 kB | 256 kB | - |
| Data RAM Size | 16 kB | 16 kB | - |
| ADC Resolution | 12 bit | - | - |
| Number of I/Os | 50 I/O | 50 I/O | - |
| Operating Supply Voltage | 1.6 V to 3.6 V | 1.6 V to 3.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Tray | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | - |
| Interface Type | SPI, TWI, USART | SPI, TWI, USART | - |
| Analog Supply Voltage | 1.6 V to 3.6 V | - | - |
| I/O Voltage | 50 I/O | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 16 Channel | - | - |
| Number of Timers/Counters | 5 x 16 bit | 5 Timer | - |
| Processor Series | AVR XMEGA | AVR XMEGA | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 4000 | 260 | 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 | - | - |
| Height | - | 0.88 mm | - |
| Length | - | 9 mm | - |
| Width | - | 9 mm | - |
| Unit Weight | - | 0.007277 oz | - |