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| PartNumber | ATXMEGA64A4U-AU | ATXMEGA64A4U-AN | ATXMEGA64A4U-ANR |
| Description | 8-bit Microcontrollers - MCU 44TQFP, IND TEMP GREEN, 1.6-3.6V | 8-bit Microcontrollers - MCU TQFP, 105C, Green 1.6-3.6V | 8-bit Microcontrollers - MCU TQFP, 105C, Green 1.6-3.6V T&R |
| 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 | - | - |
| Package / Case | TQFP-44 | - | - |
| Series | XMEGA A4U | XMEGA A4U | XMEGA A4U |
| Core | AVR | - | - |
| Data Bus Width | 8 bit/16 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 | Tray | Reel |
| 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 | I2C, SPI, UART | - | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 12 | - | - |
| Number of Timers/Counters | 5 Timer | - | - |
| Processor Series | AVR XMEGA | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 160 | 160 | 1500 |
| 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 | 0.059966 oz | - | - |