32-bit AVR microcontroller featuring 256KB FLASH and 32KB RAM. Operates at up to 60MHz with a 1.65V to 3.6V supply voltage. Offers 28 programmable I/Os and interfaces including SPI, USART, I2C, and USB. Includes peripherals like DMA, PWM, and a watchdog timer. Packaged in a 48-pin VQFN with Tin, Matte contact plating, suitable for surface mounting.
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| Package/Case | VQFN |
| Contact Plating | Tin, Matte |
| Core Architecture | AVR |
| Data Bus Width | 32b |
| Frequency | 60MHz |
| Interface | SPI, USART, 2-Wire, I2C, USB, IrDA, UART, I2S |
| Lead Free | Lead Free |
| Max Frequency | 60MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 256KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Min Supply Voltage | 1.65V |
| Mount | Surface Mount |
| Number of I/Os | 28 |
| Number of Programmable I/O | 28 |
| 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, DMA |
| RAM Size | 32KB |
| RoHS Compliant | Yes |
| Series | AVR®32 UC3 B |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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