| Installation type | Surface mount |
| packing | TR,CT |
| series | AVR®32 UC3 B |
| Part status | On sale |
| Memory type | Flash Memory |
| storage capacity | 256KB(256K x 8) |
| speed | 60MHz |
| Voltage - Supply | 1.65V ~ 3.6V |
| working temperature | -40°C ~ 85°C(TA) |
| Encapsulation/Housing | 64-TQFP |
| Country of origin | USA |
| Warehouse | China/Hong Kong |
| quality | Original genuine |
| Number of cores | 32-bit |
| Core processor | AVR |
| Connectivity | I²C,IrDA,SPI,SSC,UART/USART,USB |
| peripheral | Undervoltage detection,reset,DMA,POR,PWM,WDT |
| Number of I/Os | 44 |
| RAM size | 32K x 8 |
| Data converter | A/D 8x10b |
| Oscillator type | Inside |