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| PartNumber | AT32UC3L0256-ZAUT | AT32UC3L032-AUT | AT32UC3L032-AUR |
| Description | 32-bit Microcontrollers - MCU UC3L-256KB FL 85C | 32-bit Microcontrollers - MCU UC3L-32KB Flash | 32-bit Microcontrollers - MCU UC3L-32KB Flash 85C |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Series | AT32UC3L0 | AT32UC3L0 | AT32UC3L0 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Operating Supply Voltage | 1.8 V, 3.3 V | 1.8 V, 3.3 V | 1.8 V, 3.3 V |
| Packaging | Tray | Reel | Reel |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Product Type | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU |
| Factory Pack Quantity | 416 | 250 | 2500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | AVR | AVR | AVR |
| Mounting Style | - | SMD/SMT | - |
| Package / Case | - | TQFP-48 | - |
| Maximum Clock Frequency | - | 50 MHz | - |
| Program Memory Size | - | 32 kB | - |
| Data RAM Size | - | 16 kB | - |
| ADC Resolution | - | 10 bit | - |
| Number of I/Os | - | 36 I/O | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Height | - | 1.05 mm | - |
| Length | - | 7 mm | - |
| Program Memory Type | - | Flash | - |
| Width | - | 7 mm | - |
| Data RAM Type | - | SRAM | - |
| Interface Type | - | 2-Wire, SPI | - |
| Moisture Sensitive | - | Yes | - |
| Number of ADC Channels | - | 9 | - |
| Number of Timers/Counters | - | 8 Timer | - |
| Processor Series | - | AT32UC3x | - |
| Supply Voltage Max | - | 3.6 V | - |
| Supply Voltage Min | - | 1.62 V | - |
| Unit Weight | - | 0.319998 oz | - |