
32-bit AVR microcontroller featuring 256KB FLASH and 64KB RAM. Operates at up to 66MHz with a 32-bit data bus. Offers extensive connectivity including SPI, USART, I2C, USB, Ethernet, UART, EBI/EMI, and I2S interfaces. Housed in a 144-pin LQFP package for surface mounting, with 109 I/Os and 69 programmable I/Os. Supports a wide operating voltage range of 1.65V to 3.6V and includes integrated peripherals like POR, PWM, and WDT.
Sign in to ask questions about the Microchip AT32UC3A0256-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 AT32UC3A0256-ALUR technical specifications.
| Package/Case | LQFP |
| Contact Plating | Tin, Matte |
| Core Architecture | AVR |
| Data Bus Width | 32b |
| Frequency | 66MHz |
| Interface | SPI, USART, 2-Wire, I2C, USB, Ethernet, UART, EBI/EMI, I2S |
| Max Frequency | 66MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 256KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.65V |
| Mount | Surface Mount |
| Number of I/Os | 109 |
| Number of Programmable I/O | 69 |
| 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, PWM, WDT |
| RAM Size | 64KB |
| RoHS Compliant | No |
| Series | AVR®32 UC3 A0 |
| RoHS | Not Compliant |
Download the complete datasheet for Microchip AT32UC3A0256-ALUR to view detailed technical specifications.
The embedded preview will load automatically when this section scrolls into view.