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| PartNumber | ATXMEGA128D3-MHR | ATXMEGA128D3-MH | ATXMEGA128D3-MHRA1 |
| Description | 8-bit Microcontrollers - MCU 128KB FL 2KB EE 8KB SRAM IND 1.6-3.6V | 8-bit Microcontrollers - MCU 128K FLASH;2K EE;8K SRAM;1.6-3.6V;32MHz | HIGH-PERFORMANCE, LOW-POWER 8/16-BIT AVR XMEGA MICROCONTROLLER - Tape and Reel (Alt: ATXMEGA128D3-MHRA1) |
| Manufacturer | Microchip | Microchip | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Package / Case | VQFN-64 | QFN-64 | - |
| Series | XMEGA D3 | XMEGA D3 | - |
| Core | AVR | AVR | - |
| Data Bus Width | 8 bit/16 bit | 8 bit/16 bit | - |
| Operating Supply Voltage | 1.6 V to 3.6 V | 1.6 V to 3.6 V | - |
| Packaging | Reel | Tray | - |
| Product | MCU | MCU | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Moisture Sensitive | Yes | Yes | - |
| Processor Series | AVR XMEGA | AVR XMEGA | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 4000 | 260 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Tradename | XMEGA | XMEGA | - |
| Mounting Style | - | SMD/SMT | - |
| Maximum Clock Frequency | - | 32 MHz | - |
| Program Memory Size | - | 128 kB | - |
| Data RAM Size | - | 8 kB | - |
| Number of I/Os | - | 50 I/O | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Height | - | 0.88 mm | - |
| Length | - | 9 mm | - |
| Program Memory Type | - | Flash | - |
| Width | - | 9 mm | - |
| Data RAM Type | - | SRAM | - |
| Interface Type | - | SPI, TWI, USART | - |
| Number of Timers/Counters | - | 5 Timer | - |
| Unit Weight | - | 0.007277 oz | - |