| Installation type | Surface mount |
| packing | TR |
| series | AT91 |
| Part status | stop production |
| Memory type | Flash Memory |
| storage capacity | 2MB(1M x 16) |
| speed | 75MHz |
| Voltage - Supply | 1.65V ~ 1.95V |
| working temperature | -40°C ~ 85°C(TA) |
| Encapsulation/Housing | 121-TFBGA |
| Country of origin | USA |
| Warehouse | China/Hong Kong |
| quality | Original genuine |
| Number of cores | 16/32-bit |
| Core processor | ARM7® |
| Connectivity | EBI/EMI,UART/USART |
| peripheral | WDT |
| Number of I/Os | 32 |
| RAM size | 256K x 8 |
| Oscillator type | outside |