32-bit AVR microcontroller featuring 256KB FLASH and 32KB RAM. Operates at up to 50MHz with an internal oscillator. Offers I2C, SPI, USB, and UART interfaces, along with 8 ADC channels and 36 PWM channels. Packaged in a 64-pin QFN, this surface-mount component supports a wide operating temperature range of -40°C to 85°C and a supply voltage of 1.62V to 1.98V. Includes peripherals like Brown-out Detect/Reset, POR, WDT, and DMA.
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Microchip ATUC256L3U-Z3UT technical specifications.
| Package/Case | QFN |
| Core Architecture | AVR |
| Data Bus Width | 32b |
| Frequency | 50MHz |
| Height | 0.92mm |
| Interface | I2C, SPI, USB, UART, USART |
| Lead Free | Lead Free |
| Length | 9mm |
| Max Frequency | 50MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 1.98V |
| Memory Size | 256KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.62V |
| Mount | Surface Mount |
| Number of ADC Channels | 8 |
| Number of I2C Channels | 2 |
| Number of PWM Channels | 36 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 7 |
| Number of USB Channels | 1 |
| Operating Supply Voltage | 1.8V |
| Oscillator Type | Internal |
| Package Quantity | 260 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| RAM Size | 32KB |
| RoHS Compliant | Yes |
| Series | UC3 L |
| Width | 9mm |
| RoHS | Compliant |
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