
32-bit AVR microcontroller featuring 128KB FLASH and 96KB RAM. Operates at up to 66MHz with a 32-bit data bus. Offers 110 I/Os, including 23 programmable, and supports SPI, I2C, USB, UART, and more interfaces. Packaged in a 144-pin LQFP for surface mounting, with an operating voltage range of 1.81V to 3.6V. Includes peripherals like DMA, PWM, and a watchdog timer.
Checking distributor stock and pricing after the page loads.
Sign in to ask questions about the Microchip AT32UC3A3128S-ALUR datasheet using AI. Get instant answers about specifications, features, and technical details, ideal for finding information in larger documents.
Sign In to ChatWidest selection of semiconductors and electronic components in stock and ready to ship ™
Microchip AT32UC3A3128S-ALUR technical specifications.
| Package/Case | LQFP |
| Contact Plating | Tin, Matte |
| Core Architecture | AVR |
| Data Bus Width | 32b |
| Frequency | 66MHz |
| Interface | SPI, I2S, USART, 2-Wire, I2C, USB, IrDA, UART, EBI/EMI, SCI |
| Max Frequency | 66MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 128KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 1.81V |
| Mount | Surface Mount |
| Number of I/Os | 110 |
| Number of Programmable I/O | 23 |
| Number of Timers/Counters | 3 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Package Quantity | 1 |
| Packaging | Tape and Reel |
| Peripherals | Brown-out Detect/Reset, POR, WDT, DMA, PWM |
| RAM Size | 96KB |
| RoHS Compliant | Yes |
| Series | AVR®32 UC3 A3 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
Download the complete datasheet for Microchip AT32UC3A3128S-ALUR to view detailed technical specifications.
The embedded preview will load automatically when this section scrolls into view.