| PartNumber | ATXMEGA128D4-MH | ATXMEGA128D4-MN | ATXMEGA128D4-MHR |
| Description | 8-bit Microcontrollers - MCU 128KB FLSH;2KB EE;8K SRAM;1.6-3.6V;32MHz | 8-bit Microcontrollers - MCU AVRXMEGA - QFN, 105C, Green 1.6-3.6V | 8-bit Microcontrollers - MCU AVR XMEGA 128KB |
| 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 | QFN-44 | - | VQFN-44 |
| Series | XMEGA D4 | XMEGA D4 | XMEGA D4 |
| Core | AVR | - | AVR |
| Data Bus Width | 8 bit/16 bit | - | 8 bit |
| Maximum Clock Frequency | 32 MHz | - | 32 MHz |
| Program Memory Size | 128 kB | - | 128 kB |
| Data RAM Size | 8 kB | - | 8 kB |
| ADC Resolution | 12 bit | - | - |
| Number of I/Os | 34 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 | Tray | - | Reel |
| Height | 0.88 mm | - | - |
| Length | 7 mm | - | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | - | Flash |
| Width | 7 mm | - | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | - | - |
| Data ROM Size | 2 kB | - | 2 kB |
| Data ROM Type | EEPROM | - | EEPROM |
| Interface Type | I2C, SPI, UART | - | I2C, SPI, USARTs |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 12 | - | - |
| Number of Timers/Counters | 4 Timer | - | 4 Timer |
| Processor Series | AVR XMEGA | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 416 | 160 | 4000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | - | - |
| Supply Voltage Min | 1.6 V | - | - |
| Tradename | XMEGA | XMEGA | XMEGA |
| Unit Weight | 0.013051 oz | - | - |