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| PartNumber | ATUC128L3U-Z3UR | ATUC128L3U-ZUR | ATUC128L3U-Z3UT |
| Description | 32-bit Microcontrollers - MCU UC3L-128KB Flash 64QFN 85C green T&R | Microcontrollers - MCU 32-bit Microcontrollers - MCU UC3L-128KB Flash 64QFN 85C green TRAY | |
| Manufacturer | Microchip | ATMEL | Atmel |
| Product Category | 32-bit Microcontrollers - MCU | IC Chips | Embedded - Microcontrollers |
| RoHS | Y | - | - |
| Series | UC3 L | - | AVRR32 UC3 L |
| Core | AVR | - | AVR |
| Data Bus Width | 32 bit | - | 32 bit |
| Packaging | Reel | - | Tray Alternate Packaging |
| Product | MCU | - | MCU |
| Brand | Microchip Technology / Atmel | - | - |
| Processor Series | ATUC | - | ATUC |
| Product Type | 32-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 4000 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Tradename | UC3 | - | UC3 |
| Package Case | - | - | 64-VFQFN Exposed Pad |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 64-QFN (9x9) |
| Number of I O | - | - | 51 |
| Speed | - | - | 50MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | AVR |
| RAM Size | - | - | 32K x 8 |
| Program Memory Type | - | - | FLASH |
| Peripherals | - | - | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | - | - | I2C, SPI, UART/USART, USB |
| Voltage Supply Vcc Vdd | - | - | 1.62 V ~ 3.6 V |
| Core Size | - | - | 32-Bit |
| Program Memory Size | - | - | 128KB (128K x 8) |
| Data Converters | - | - | A/D 8x12b |
| Oscillator Type | - | - | Internal |