32-bit AVR microcontroller featuring 256KB FLASH memory and 32KB RAM. Operates at up to 50MHz with an internal oscillator. Offers I2C, SPI, USB, UART, and USART interfaces. Includes 36 programmable I/Os, 7 timers/counters, and peripherals like DMA, PWM, and watchdog timer. Operates from 1.62V to 1.98V, with a temperature range of -40°C to 85°C. Surface mountable in an LGA package.
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Microchip ATUC256L4U-D3HT technical specifications.
| Package/Case | LGA |
| Core Architecture | AVR |
| Data Bus Width | 32b |
| Frequency | 50MHz |
| Interface | I2C, SPI, USB, UART, USART |
| Max Frequency | 50MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 256KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 1.98V |
| Min Supply Voltage | 1.62V |
| Mount | Surface Mount |
| Number of I/Os | 36 |
| Number of Programmable I/O | 36 |
| Number of Timers/Counters | 7 |
| Operating Supply Voltage | 1.8V |
| Oscillator Type | Internal |
| Package Quantity | 2450 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| RAM Size | 32KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | AVR®32 UC3 L |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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