32-bit AVR microcontroller featuring 256KB FLASH memory and 96KB RAM. Operates at up to 66MHz with a 32-bit data bus. Offers SPI, I2S, USART, 2-Wire, IrDA, and SCI interfaces. Packaged in a 144-pin LQFP for surface mounting, with an operating voltage range of 1.81V to 3.6V. Suitable for applications operating between -40°C and 85°C.
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| Package/Case | LQFP |
| Core Architecture | AVR |
| Data Bus Width | 32b |
| Frequency | 66MHz |
| Height | 1.6mm |
| Interface | SPI, I2S, USART, 2-Wire, IrDA, SCI |
| Length | 20.1mm |
| 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 | 1.81V |
| Mount | Surface Mount |
| Number of I/Os | 23 |
| Number of Timers/Counters | 3 |
| Operating Supply Voltage | 3.3V |
| Package Quantity | 800 |
| Packaging | Tape and Reel |
| Radiation Hardening | No |
| RAM Size | 96KB |
| RoHS Compliant | Yes |
| Series | UC3 A3/A4 |
| Weight | 0.045518oz |
| Width | 20.1mm |
| RoHS | Compliant |
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